According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2007 Chevrolet Silverado 1500 has 28 documented known issues, with 7 rated critical. The most serious are 4L60E Automatic Transmission 3-4 Clutch Pack and Sun Shell Failure (Slipping, Loss of 3rd/4th Gear) ($1,500-$2,800 repair), Windshield Washer Fluid Heater Module Shorting and Underhood Fire Risk ($0-$400 repair), Rusting Brake Lines Leading to Sudden Hydraulic Brake Failure ($600-$2,500 repair), Tailgate Support Cable Corrosion and Breakage Allowing Tailgate to Drop Suddenly ($40-$180 repair), Engine Oil Cooler Line Failure Causing Rapid Oil Loss at Crimped Hose Fittings ($250-$900 repair), P0700 — Transmission Control System Malfunction from Failed 6L80 TEHCM (or 4L60E Shift Solenoid) ($300-$1,600 repair) and Brake / Fuel Line Corrosion Failure (Galvanized Steel Lines, Salt-Belt). at .
SERVICE BRAKES, HYDRAULIC:BRAKE FLUID LOW WARNING: LAMP
General Motors, LLC (GM) is recalling certain 2023 Chevrolet Silverado 1500, GMC Sierra 1500, 2023-2024 Chevrolet Tahoe, Suburban, GMC Yukon, Yukon XL, Cadillac Escalade, and Escalade ESV vehicles. The electronic brake control module software may fail to display a warning light when a loss of brake fluid occurs. As such, these vehicles fail to comply with the requirements of Federal Vehicle Safety Standard number 135, "Light Vehicle Brake Systems."
Campaign #24V67400012/09/2024
EXTERIOR LIGHTING:LIGHTING CONTROL MODULE:SOFTWARE
General Motors, LLC (GM) is recalling certain 2020-2023 Cadillac CT4 and CT5; 2021-2023 Buick Envision; and 2022-2023 Cadillac Escalade and Escalade ESV, Chevrolet Silverado 1500, Suburban, Tahoe, GMC Sierra 1500, Yukon, and Yukon XL vehicles. The daytime running lights (DRLs) may not deactivate when the headlights are on. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 108, "Lamps, Reflective Devices, and Associated Equipment."
Campaign #22V90300008/12/2022
ENGINE AND ENGINE COOLING:ENGINE:HARD PARTS INTERNAL/MECHANICAL
🔧
A mechanic who knows YOUR exact car
Answers tuned to your year, make, model & trim — not generic advice. Save your garage so it always has the right context.
Get ahead of Chevrolet Silverado 1500 problems — free
Leave your email and we'll alert you the moment there's a new recall or known issue for your Chevrolet Silverado 1500. Free, no account needed.
What are the most common Chevrolet Silverado 1500 problems?
According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2007 Chevrolet Silverado 1500 has 28 documented issues. The most frequently reported are: 4L60E Automatic Transmission 3-4 Clutch Pack and Sun Shell Failure (Slipping, Loss of 3rd/4th Gear), Windshield Washer Fluid Heater Module Shorting and Underhood Fire Risk, Rusting Brake Lines Leading to Sudden Hydraulic Brake Failure. Of these, 7 are rated critical and should be addressed promptly.
Is the Chevrolet Silverado 1500 reliable?
The 2007 Chevrolet Silverado 1500 has 28 known issues compiled from NHTSA recalls, manufacturer TSBs, and owner forum reports. 7 issues are rated critical: 4L60E Automatic Transmission 3-4 Clutch Pack and Sun Shell Failure (Slipping, Loss of 3rd/4th Gear) and Windshield Washer Fluid Heater Module Shorting and Underhood Fire Risk and Rusting Brake Lines Leading to Sudden Hydraulic Brake Failure and Tailgate Support Cable Corrosion and Breakage Allowing Tailgate to Drop Suddenly and Engine Oil Cooler Line Failure Causing Rapid Oil Loss at Crimped Hose Fittings and P0700 — Transmission Control System Malfunction from Failed 6L80 TEHCM (or 4L60E Shift Solenoid) and Brake / Fuel Line Corrosion Failure (Galvanized Steel Lines, Salt-Belt). Prospective buyers should inspect for these issues and factor potential repair costs into their purchase decision. Regular maintenance following the manufacturer's schedule helps prevent many common problems.
How much does it cost to fix common Chevrolet Silverado 1500 problems?
Repair costs for known Chevrolet Silverado 1500 issues range from $0 to $5,000, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, 4L60E Automatic Transmission 3-4 Clutch Pack and Sun Shell Failure (Slipping, Loss of 3rd/4th Gear), typically costs $1,500-$2,800 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.
What is the 1994-2010 Chevrolet Silverado 1500 4L60E Automatic Transmission 3-4 Clutch Pack and Sun Shell Failure (Slipping, Loss of 3rd/4th Gear)?
The 4L60E 4-speed automatic behind the half-ton Silverado is notorious for wearing out its 3-4 clutch pack and cracking the input 'sun shell' (reaction sun gear shell) as mileage climbs. Owners report the truck suddenly loses 3rd and 4th gear (revs up but won't pull) while revers… Repairs typically run $1,500-$2,800. Severity: high.
Content on this page was compiled with AI assistance using NHTSA complaints, TSBs, owner reports, and public automotive data. While we strive for accuracy, this information may contain errors. Always verify repair procedures and specifications with your vehicle's service manual or a qualified mechanic.
Filter:
When Issues Typically Appear
Windshield Washer Fluid Heater Module Shorting and Underhood Fire Risk
0K-150K
Intermediate Steering Shaft Knock/Clunk Over Bumps and During Low-Speed Turns
20K-120K
Tailgate Support Cable Corrosion and Breakage Allowing Tailgate to Drop Suddenly
30K-200K
EVAP Vent Solenoid Clogging With Dust/Water Causing Check Engine Light and Hard Refueling
40K-150K
Instrument Cluster Stepper Motor Failure Causing Inaccurate Gauges
50K-150K
Blend Door / HVAC Actuator Failure Causing Clicking Dash Noise and Incorrect Airflow Temperature
50K-180K
Transfer Case Encoder Motor / Position Sensor Failure Causing Stuck 4WD or Service 4WD Message
60K-180K
Rusting Brake Lines Leading to Sudden Hydraulic Brake Failure
70K-200K
Engine Oil Cooler Line Failure Causing Rapid Oil Loss at Crimped Hose Fittings
70K-200K
Front Wheel Hub Bearing Failure Triggering ABS Warning and Growling Noise
70K-180K
050K100K150K200K mi
On the 1994-2010 Chevrolet Silverado 1500, the 4L60E 4-speed automatic behind the half-ton Silverado is notorious for wearing out its 3-4 clutch pack and cracking the input 'sun shell' (reaction sun gear shell) as mileage climbs. Owners report the truck suddenly loses 3rd and 4th gear (revs up but won't pull) while reverse and low gears still work, or a hard grinding/no-move with a fractured sun shell. The 3-4 clutch is the known weak point and often burns up first; the larger input drum on 2004-and-up units also likes to crack internally. This is one of the single most-searched failures for these trucks.
Engine revs but truck won't accelerate in 3rd/4th (slipping)
Sudden loss of 3rd and 4th gear, still has 1st/2nd/reverse
Harsh or delayed 1-2 / 2-3 shifts
Grinding or clunk then no forward movement (broken sun shell)
Burnt-smelling, dark transmission fluid
Check engine light with transmission codes
How to Fix
Confirm with a scan for gear-ratio/slip codes and a pressure test before condemning the unit. Fix is a transmission rebuild or reman: replace the 3-4 clutch pack, install a hardened 4L60E sun shell (aftermarket beast/heavy-duty shell over the stamped OEM piece), fresh bands/steels, and rebuild or replace the valve body. Adding an auxiliary transmission cooler and shortening fluid-change intervals to ~30k miles greatly extends life. Reman units are widely available; a full-service rebuild with upgraded shell is the durable fix.
Medium ConfidenceVerified0 reportsReviewed Jul 2026
On the 2007-2019 Chevrolet Silverado 1500, p0700 is not a specific fault by itself — it is an umbrella/MIL-request code the ECM stores whenever the transmission control module (TCM) detects an internal transmission problem and asks the ECM to turn on the check-engine light. On the Silverado 1500 it almost always appears alongside more specific companion codes, and the underlying failure follows two dominant, well-documented patterns depending on the transmission. On trucks with the 6L80 six-speed automatic (2007-onward 5.3L and 6.2L V8 models), the internal TEHCM (Transmission Electro-Hydraulic Control Module — GM's combined valve body, solenoids, pressure switches, and TCM in a single pan-mounted unit) develops internal circuit-board/solenoid faults from heat and fluid degradation, throwing P0700 together with codes like P0796, P0777, P0842, or P0973 and dropping the truck into limp mode. On older/base trucks with the 4L60E four-speed (4.3L/4.8L), the same P0700 is typically triggered by a failed shift solenoid (P0753/P0758) or a faulty internal mode switch. Because P0700 is a stored 'passenger' code, a scan tool that can talk to the TCM (not just a basic reader) is required to pull the specific sub-code that identifies the actual failed component.
Transmission stuck in limp mode / limited to one gear (often 3rd or 5th)
Harsh or delayed shifts
Transmission fails to shift or slips
Torque converter clutch not locking up / shudder
No movement or won't shift out of park in severe cases
How to Fix
Do NOT replace parts off the P0700 alone. Use a bidirectional/TCM-capable scan tool to read the companion codes stored in the transmission controller and verify transmission fluid level and condition first (low or burnt DEXRON-VI fluid alone can trigger the chain). For 6L80 trucks, a failed internal TEHCM is confirmed by multiple simultaneous solenoid/pressure codes; the fix is to drop the pan and replace the TEHCM, which MUST then be programmed to the vehicle's VIN with GM calibration files before the truck will start or shift correctly (ordering the OEM unit by the last 8 VIN digits can yield a plug-and-play unit needing no fast-adapt relearn). For 4L60E trucks, replace the specific failed shift solenoid or internal mode switch identified by the sub-code. Repair the wiring/connectors to the TCM if corrosion is found. On very new 2023-2025 Silverado 1500s, P0700 paired with P0747 is a known valve-body defect covered by Safety Recall N242454440 / Special Coverage N242454441 — check the VIN with a dealer for a free repair.
On the 1999-2007 Chevrolet Silverado 1500, owners in salt-belt states widely report severe corrosion of the steel brake lines on GMT800 Silverado trucks, sometimes resulting in sudden line rupture during braking. Failures often occur near the ABS module, frame rails, or underbody clips where moisture and road salt accumulate. This is a serious safety issue documented in large numbers of NHTSA complaints and owner reports, with many trucks losing most braking force without prior warning beyond a soft pedal or visible rust.
Common Symptoms
brake pedal suddenly goes to floor
brake fluid leak under truck
visible rust on brake lines
reduced braking power
ABS warning light after line failure
How to Fix
Inspect all hard brake lines from the master cylinder/ABS unit to the rear axle and front calipers, especially if the truck is operated in rust-prone regions. The durable repair is full replacement of corroded lines with pre-bent stainless kits or nickel-copper line rather than patching only the burst section. Bleed the system thoroughly and inspect fuel lines at the same time because they often corrode in similar areas.
Owner tips & cautions
TipIf one line has burst from corrosion, inspect and usually replace the full set; spot repairs often lead to another failure soon after.
On the 2007-2014 Chevrolet Silverado 1500, the original galvanized-steel brake (and fuel) lines on these trucks lack the modern nylon/PVF anti-corrosion coating, so in cold-weather/road-salt states the lines rust from the outside in and rupture. A brake-line burst causes sudden, often warning-light-free loss of brake pressure and a long/soft pedal; NHTSA logged hundreds of complaints and opened (then closed without recall) an investigation into salt-belt GM trucks. GM addressed it with a TSB and a pre-formed replacement-line kit rather than a recall.
Inspect all underbody brake and fuel lines for surface rust/flaking, especially over the rear axle and along the frame rails. Replace corroded sections with GM's pre-formed brake-line kit (TSB 13-05-22-001) or aftermarket coated/stainless lines; bleed the system afterward. Proactively replace lines as a set in salt-belt trucks before failure, and wash the underbody regularly through winter. Any soft/sinking pedal or visible fluid leak should be treated as do-not-drive.
On the 2007-2009 Chevrolet Silverado 1500, some GMT900 Silverado 1500 trucks equipped with the heated windshield washer fluid system experienced internal shorts in the washer heater module. Owners reported smoke, melting components, dead batteries, and in some cases underhood fires even when the truck was parked. GM issued a safety recall for the heated washer module due to the fire risk.
Common Symptoms
burning smell from engine bay
smoke from under hood
washer heater inoperative
battery drain
melted wiring or connector near washer heater module
blown fuse
How to Fix
Confirm whether the truck is equipped with the heated washer system and check recall completion status by VIN. The recall remedy involved disabling or replacing the module depending on campaign stage; any signs of melted wiring, blown fuses, or heat damage should be repaired before returning the vehicle to service. If the system remains active outside recall repair, disconnecting the module until proper repair is completed is prudent.
On the 2003-2007 Chevrolet Silverado 1500, a very common GMT800 Silverado problem is failure of the instrument cluster stepper motors, which causes the speedometer, tachometer, fuel, oil pressure, voltmeter, or coolant temperature gauges to read erratically or stick at incorrect positions. Owners report needles pegging past full scale, dropping to zero, or becoming inaccurate enough to create drivability and fuel-range uncertainty. GM acknowledged the issue with special coverage on many trucks, and it is heavily documented in owner complaints and repair forums.
Common Symptoms
speedometer reads too high or too low
fuel gauge stuck on empty or full
tachometer or oil pressure gauge erratic
multiple gauges inoperative
backlighting issues in cluster
How to Fix
Diagnosis is usually straightforward by comparing scan-tool data to gauge readings and checking whether multiple gauges behave abnormally. Repair typically involves rebuilding the cluster with updated stepper motors and replacing failed backlighting bulbs if needed, or installing a professionally remanufactured cluster programmed for the truck's mileage and options. Verify charging voltage and grounds before condemning the cluster.
Owner tips & cautions
TipCompare gauge readings to live OBD-II data before replacing sensors; if scan data is normal but the gauge is wrong, the cluster is usually the culprit.
On the 1999-2007 Chevrolet Silverado 1500, the Passlock II theft-deterrent system reads a Hall-effect sensor and magnet in the ignition lock cylinder. As the sensor or lock cylinder wears, the BCM sees an out-of-range voltage, flags a theft fault, flashes the SECURITY light, and disables fuel injection so the engine cranks but won't start. Owners get stranded with a 'Service Theft System' or security light and a no-start that often clears after a wait. Extremely common and heavily searched on these trucks.
SECURITY / 'Service Theft System' light flashing or lit
No-start clears after waiting ~10 minutes
Intermittent stalling just after start
Theft codes stored in BCM
How to Fix
First try the 10-minute relearn: key to ON, attempt start, then leave key ON until the security light stops flashing (~10 min), key off 5 sec, then start; repeat up to 3 cycles. If it recurs, replace the Passlock sensor or ignition lock cylinder and relearn. A common permanent workaround is a resistor bypass of the Passlock sense circuit. Scan for B2960/B3031/B3033 to confirm before parts.
Medium ConfidenceVerified0 reportsReviewed Jul 2026
On the 2007-2018 Chevrolet Silverado 1500, the cable-type power window regulators are a recurring weak point. The plastic cable guides/spools crack or the cable frays and jumps its track, so the window drops into the door, closes crooked, or the motor spins/clicks without moving the glass. Many owners report replacing regulators multiple times per door. Worn window motors and broken wires in the door-jamb harness produce similar no-move symptoms.
Replace the window regulator-with-motor assembly (e.g., Dorman 741-442 front driver side for 2007-2013; OE-fix designs add reinforced cable guides). Inspect the door-jamb wiring harness for broken conductors and test the master switch before assuming the regulator. Lubricate the run channels to reduce load on the new regulator.
Medium ConfidenceVerified0 reportsReviewed Jul 2026
On the 2000-2007 Chevrolet Silverado 1500, gMT800 Silverado tailgate support cables are known to corrode internally and snap, sometimes with little visible warning. When one or both cables fail, the tailgate can drop unexpectedly, damaging cargo or injuring the user. This issue was serious enough to result in a GM safety recall covering many pickups in salt-belt and high-corrosion regions.
Common Symptoms
tailgate drops unevenly
frayed or rusted tailgate cables
tailgate falls open suddenly
visible corrosion at cable ends
tailgate support feels weak
How to Fix
Inspect both tailgate cables for fraying, rust swelling near the ends, cracked coatings, and weak attachment hardware. Replace both cables as a pair with updated parts if any corrosion is present, and verify the tailgate pivots and latches are not binding. Trucks that already received recall parts should still be inspected periodically in harsh climates.
On the 2007-2019 Chevrolet Silverado 1500, the center high-mount stop lamp (third brake light / cargo lamp) gasket dries out, cracks, and lets rainwater and car-wash water into the cab. Because the water runs down behind the interior trim and the carpet has a rubber backing, owners often don't see it until the rear floor is soaked, a musty smell develops, or electronic modules mounted under the rear seat corrode. It is one of the most common water-intrusion sources on these trucks and is frequently misdiagnosed as a window or door leak.
water trickling down the inside of the rear window
musty or mildew odor
corroded under-seat modules or connectors
water stains on the rear headliner
How to Fix
Remove the CHMSL, clean the mating surface, and reseal with butyl ribbon or windshield-grade urethane/silicone (or fabricate an EPDM gasket). Inspect and dry the rear floor and any under-seat modules for corrosion. A quality aftermarket lens/gasket or OEM assembly plus proper sealing typically ends the leak; total DIY cost is under $30 in sealant.
Medium ConfidenceVerified0 reportsReviewed Jul 2026
On the 1999-2010 Chevrolet Silverado 1500, gMT800/GMT900 Silverados are notorious for rusting out the rocker panels (below the doors) and cab corners (lower rear corners of the cab). The double-wall panels trap road salt, water, and debris; body drains plug, gaskets rot and let water run down inside, and the metal rusts from the inside out—often hidden behind step bars or plastic cladding until it's crumbling. It's one of the defining problems of high-mileage salt-belt trucks and hurts resale badly.
Holes rusting through cab corners behind the doors
Flaking metal hidden behind step bars/cladding
Water/debris trapped inside lower body pockets
How to Fix
Cut out the rusted sections and weld in replacement rocker and cab-corner panels (widely available stamped panels), then seal, prime, and undercoat with cavity wax inside the panels. Clear the cab and door drain holes annually and rinse trapped grime out of the pockets to slow recurrence. Full professional rocker + cab-corner replacement can run into the thousands; DIY panel welding is far cheaper.
Medium ConfidenceVerified0 reportsReviewed Jul 2026
On the 2007-2022 Chevrolet Silverado 1500, on sunroof-equipped Silverados the four corner sunroof drain tubes clog with debris, so rainwater that normally drains overflows the sunroof tray and leaks onto the headliner, A-pillars, seats, and floor. Owners report wet carpet, dripping headliner, and water sloshing sounds. A cracked sunroof frame rail is a separate, more expensive cause of the same leak. It is a classic misdiagnosed 'unknown water leak.'
Clear the corner drain tubes with low-pressure compressed air (~50 psi) or a soft trimmer line, and confirm water flows out the tube exits under the truck. Distinguish a clogged drain from a failed sunroof seal or a cracked frame rail — a cracked rail requires replacing the sunroof frame assembly. Dry the headliner and floor to prevent mold.
Medium ConfidenceVerified0 reportsReviewed Jul 2026
On the 2000-2013 Chevrolet Silverado 1500, silverado V8 trucks commonly develop leaks at the crimped sections of the engine oil cooler lines or at the quick-connect fittings near the radiator/oil cooler adapter. Owners often report sudden puddles of oil, oil sprayed under the truck, or a rapid drop in oil pressure with little warning. This is widely documented in owner communities and service literature because the failure can dump a large amount of oil very quickly and risk engine damage.
Inspect both cooler lines for wetness at the crimps, seepage at the fittings, and damaged retaining clips. The proper repair is replacement of the leaking lines and, if needed, the adapter fittings/seals with updated parts; many technicians replace both lines together due to age. After repair, verify oil level, clean the underside, and recheck for leaks under operating temperature and pressure.
On the 1999-2007 Chevrolet Silverado 1500, the Gen III LS truck engines use a plastic intake manifold with molded-bead gaskets. After many heat cycles the sealing beads flatten and crack, letting unmetered air in. Because the LS intake is 'dry,' the result is a vacuum leak that causes a lean condition, rough/unstable idle (worst on cold start), stumble, and lean/misfire codes rather than a coolant leak. Very common driveability complaint on high-mileage 4.8/5.3/6.0 trucks.
Smoke-test the intake to confirm the leak, then replace the intake manifold gasket set with an upgraded steel-backed design (Fel-Pro MS98016T for 4.8/5.3/6.0 is the widely-used set). Because the intake must come off, it's smart to replace the knock sensors and their harness (a separate known failure that also lives under the intake) at the same time. Inspect the PCV and vacuum lines while apart.
Medium ConfidenceVerified0 reportsReviewed Jul 2026
On the 1999-2007 Chevrolet Silverado 1500, early Gen III LS-family V8s (4.8L/5.3L/6.0L) use short-skirt pistons that rock slightly in the bore when cold, slapping the cylinder wall for the first 30-60 seconds after a cold start. It sounds like a diesel knock or deep rattle that fades as the engine warms and the piston-to-wall clearance closes up. Owners are frequently alarmed and search this heavily. GM addressed it in TSB 01-06-01-022 (and 01-06-01-028A) stating the noise is not detrimental to engine life.
Diesel-like knock/rattle for first 30-60 seconds after cold start
Noise fades as engine warms up
Louder in cold weather
No misfire and normal oil pressure
How to Fix
Per GM's TSB the noise is generally not harmful and no repair is authorized if it disappears after warm-up and there are no misfires or low oil pressure. Keep oil full and changed on schedule with the correct 5W-30 (synthetic helps), which minimizes the noise. Only if slap is severe, persistent when warm, or accompanied by knock under load does it warrant piston/short-block replacement. Rule out collapsed lifter, exhaust manifold tick, and flexplate crack, which mimic the sound.
Medium ConfidenceVerified0 reportsReviewed Jul 2026
On the 2003-2010 Chevrolet Silverado 1500, the engine oil pressure sensor/sending unit on LS truck V8s commonly fails or gets its screen clogged with sludge, sending the dash gauge bouncing, pegging high, dropping to zero, or reading falsely low—often with an 'oil pressure' warning even though actual pressure is fine. GM added a screen around the sensor mid-2007 that made the debris problem worse. A leading, cheap-to-fix false-alarm complaint that scares owners into thinking the pump failed.
Verify real oil pressure with a mechanical gauge first. If mechanical pressure is good, replace the oil pressure sensor/sending unit (GM 12621649 is the common LS sensor—verify fitment for your engine/year) and clean any debris from the screen/passage. If the gauge itself doesn't respond when the sensor is unplugged, the instrument-cluster stepper motor is the culprit instead. Don't replace the oil pump on a bad-reading gauge alone.
Medium ConfidenceVerified0 reportsReviewed Jul 2026
On the 2000-2013 Chevrolet Silverado 1500, a frequent Silverado complaint is failure of the HVAC mode or blend door actuators, which causes repetitive clicking from behind the dash and leaves the system stuck on one vent mode or one temperature setting. Owners often notice one side blowing hot while the other stays cold, air stuck on defrost, or recirculation not functioning correctly. The small plastic gears inside the actuators wear or strip, and recalibration may not restore operation once gear damage occurs.
Use the HVAC self-recalibration procedure or disconnect the battery/HVAC fuse to see whether the actuator relearns; if the clicking returns, replace the failed actuator. Access varies by actuator location, with some easy under-dash replacements and others requiring more dash disassembly. After replacement, perform recalibration so the control head learns the new actuator limits.
Owner tips & cautions
TipRun the HVAC recalibration procedure after actuator replacement; skipping it can leave the new actuator out of range and clicking again.
On the 2007-2014 Chevrolet Silverado 1500, gMT900-generation Silverado 1500 trucks (and platform-mates Tahoe/Suburban/Avalanche/Sierra/Yukon/Escalade) are widely reported to develop long cracks and splits across the top of the dashboard pad, typically radiating from the passenger airbag seam, defroster vents, and the corners near the windshield. GM moved to a large one-piece molded dash for these years with no relief joints, and the plastic dries out and loses plasticizer under windshield heat and UV exposure, causing the surface to fracture. Owners commonly see it appear between 4 and 8 years of age, worse in hot/sunny climates. A class-action suit was filed and dismissed in 2019, and GM treats it as a cosmetic, non-warranty item, so owners pay out of pocket. Beyond appearance, owners raise concern about cracked plastic over the passenger airbag becoming projectiles or affecting deployment, though that has not been the subject of a recall.
Long cracks or splits across the top of the dashboard near the windshield
Cracks radiating from the passenger airbag seam or defroster vents
Pieces of dash plastic lifting or curling at the edges
Worsening rapidly after summer heat or in sunny climates
How to Fix
There is no recall or warranty coverage. Common remedies are: install a molded ABS/poly dash cap (overlay) bonded over the cracked pad, replace the full dashboard pad assembly, or fit a carpeted/molded dash cover. Dealers will not warranty it as it is classified cosmetic. To slow it on an intact dash, use a windshield sun shade and a UV-protectant (e.g., 303 Aerospace Protectant). Verify any airbag-cover integrity if the crack runs over the passenger airbag door.
Medium ConfidenceVerified0 reportsReviewed Jun 2026
On the 1999-2007 Chevrolet Silverado 1500, the inside door-pull handles are molded plastic that becomes brittle and cracks at the pivot from years of opening a heavy truck door, most often on the driver's side. The handle snaps or goes limp and the door won't open from inside. RepairPal lists this as a recognized common complaint on these trucks; it's cheap but constantly searched because it strands you inside/outside the cab.
Replace the interior door handle. Aftermarket handles (Dorman and others) and upgraded billet-aluminum handles are inexpensive and the job is a sub-hour DIY: remove the door panel, unclip the linkage rods, and swap the handle. Verify the correct left/right handle and trim color for your cab and year before ordering.
Medium ConfidenceVerified0 reportsReviewed Jul 2026
On the 2007-2024 Chevrolet Silverado 1500, the full-size Silverado 1500 is one of the most frequently targeted vehicles in the U.S. for catalytic converter theft. Its high ground clearance and underbody-mounted, easily reached converters let thieves cut them out in seconds, often in broad daylight, and lifted trucks are even easier to get under. Owners discover the theft by a sudden extremely loud, raspy exhaust on startup, a check-engine light, and reduced performance. Replacement of OEM converters plus the O2 sensors and pipe is expensive, and repeat thefts are common because nothing about the factory design deters re-targeting. This is a high-search, high-demand ownership problem rather than a manufacturing defect, but it is specific and well documented for this model.
Extremely loud, deep roaring exhaust noise on startup
Visible missing converter / cut pipe under the truck
Check engine light (catalyst efficiency) after the theft
Reduced power and rough running
Strong exhaust smell entering the cabin
How to Fix
Replace the stolen converter(s) — OEM or CARB-compliant aftermarket — along with any damaged O2 sensors and exhaust pipe sections, then add theft deterrents: a welded catalytic-converter shield/cage (e.g., CatClamp / model-specific plate), etched/engraved converter ID, and parking in lit or secured areas. A tilt/vibration alarm can also help. Insurance comprehensive coverage often applies. Note: a separate 2019 emissions recall addressed an ECM that could fail to illuminate the malfunction-indicator light on a converter fault — unrelated to theft but worth checking by VIN.
Medium ConfidenceVerified0 reportsReviewed Jun 2026
On the 2007-2024 Chevrolet Silverado 1500, gM's small-block V8s (Gen III/IV LS and Gen V LT) in the Silverado 1500 are notorious for snapping exhaust manifold bolts. The steel bolts and the aluminum cylinder heads expand and contract at different rates through countless heat cycles, fatiguing the bolts until the heads snap off — usually the front and rear corner bolts. The resulting manifold-to-head gasket leak produces a loud 'exhaust tick' (often mistaken for a lifter) that is loudest on cold start, and the leak draws outside air past the upstream O2 sensor, frequently setting a false P0420 catalyst-efficiency code even with a good converter. Left alone it can also burn nearby wiring and worsen the leak.
Ticking/tapping exhaust noise, loudest on cold start
Tick that quiets as the engine warms up
Exhaust/sulfur smell near the engine
P0420 catalyst-efficiency code with an otherwise good converter
Soot or carbon tracks at the exhaust manifold flange
How to Fix
Inspect the manifold flanges for soot/leak tracks and the corner bolts for breakage. Repair is to extract the broken bolt shanks (often requires drilling/extractor or a slide-hammer style broken-bolt kit), replace the manifold gaskets, and reinstall with upgraded fasteners — ARP 134-1102 header bolts on Gen III/IV LS (4.8/5.3/6.0) or ARP 134-1104 on Gen V LT (5.3 L83 / 6.2 L86) — torqued in sequence with anti-seize. Re-evaluate any P0420 after the leak is sealed before condemning the catalytic converter or O2 sensors.
Medium ConfidenceVerified0 reportsReviewed Jun 2026
On the 2000-2013 Chevrolet Silverado 1500, silverado 1500 trucks commonly develop front hub bearing wear, especially on higher-mileage 4x4s and trucks used on rough roads or with oversized tires. Owners report a humming or growling noise that changes with speed and steering input, and because the wheel speed sensor is integrated into the hub assembly, ABS and traction control warnings may appear as the bearing deteriorates. Excessive play can eventually affect braking feel and tire wear.
Road-test to identify which side changes noise during lane shifts, then confirm by checking for roughness or play with the wheel off the ground and reviewing wheel speed sensor data. Replace the complete hub assembly rather than attempting to service the bearing separately. After installation, verify sensor connector condition and torque the axle nut and mounting bolts to specification to avoid premature repeat failure.
Owner tips & cautions
TipIf one hub has failed at high mileage, inspect the opposite side too; many owners end up replacing hubs in pairs.
On the 2000-2013 Chevrolet Silverado 1500, silverado owners across both GMT800 and early GMT900 generations frequently report a clunk or knock felt in the steering column/floor area, especially over small bumps or while turning into driveways. The issue is commonly traced to play or binding in the intermediate steering shaft splines or joints rather than a major steering gear failure. GM issued multiple service bulletins and revised shafts/lubrication procedures over the years.
Confirm the noise by isolating front suspension components and checking for movement in the intermediate shaft while rocking the steering wheel. Depending on wear level, the fix is either lubricating the shaft per GM procedure or replacing it with the updated part. If the clunk remains, inspect tie rods, rack/gear mounts, and lower column joints to rule out similar noises.
Owner tips & cautions
TipDo not assume every front-end clunk is the steering shaft; check sway bar links, tie rods, and ball joints before replacing parts.
On the 1999-2013 Chevrolet Silverado 1500, the in-tank fuel level sensor/sending unit fails as its resistor card and electrical contacts corrode (accelerated by sulfur in gasoline). The fuel gauge then jumps around, sticks on empty or full, reads inaccurately, or trips a false low-fuel light. It is one of the longest-running and most-searched Silverado complaints and sets fuel-level circuit DTCs. The sensor is integrated with the fuel pump module, so replacement usually means dropping the tank.
Confirm with fuel-level circuit codes and by monitoring sensor voltage with a scan tool. Replace the fuel level sensor (part of the fuel pump/sender module); inspect and clean the tank-side connector for corrosion. Because the sender is inside the tank, most owners replace the complete pump/sender module while the tank is down.
Medium ConfidenceVerified0 reportsReviewed Jul 2026
On the 2000-2007 Chevrolet Silverado 1500, a very common GMT800 Silverado problem is contamination of the EVAP canister vent valve/solenoid by dust, road debris, or water intrusion. When the vent cannot flow properly, the truck sets EVAP leak or vent performance codes and may repeatedly shut off the gas pump during refueling. GM issued service bulletins and updated vent relocation kits for trucks used in dusty environments.
Diagnosis includes smoke testing the EVAP system, commanding the vent valve with a scan tool, and inspecting the vent hose/filter for blockage. Repair usually involves replacing the vent solenoid and installing the updated relocated vent hose/filter kit to move the inlet away from road splash and dust. Clearing codes without updating the vent routing often leads to repeat failures.
On the 2000-2013 Chevrolet Silverado 1500, silverado 1500 trucks equipped with electronic shift transfer cases commonly develop failures in the transfer case encoder motor, mode position sensor, or related switch/module circuitry. Owners report the truck getting stuck in 2HI, 4HI, or 4LO, flashing selector lights, or displaying a Service 4WD message. GM service information and large numbers of owner complaints/forum reports document the issue across both GMT800 and GMT900 trucks.
Diagnosis should include checking transfer case switch inputs, encoder motor operation, transfer case control module communication, power/ground integrity, and corrosion at connectors. Repair often involves replacing the encoder motor assembly, dash 4WD selector switch, or reprogramming/replacing the transfer case control module if faults persist. Fluid condition and transfer case internal binding should also be ruled out before parts replacement.
On the 2003-2007 Chevrolet Silverado 1500, on GMT800/early-GMT900 Silverados with manual A/C controls, the HVAC blower motor resistor and its wiring connector overheat. Owners lose the lower fan speeds (blower works only on high, or drops speeds 1-4) or lose the blower entirely, often with a burning smell and a melted/scorched connector. The failure is usually driven by an aging blower motor pulling excess amperage plus moisture entering the fresh-air intake — bad enough that GM issued special warranty coverage citing an overheating/fire risk.
burning/electrical smell from the passenger footwell
melted or scorched connector at the resistor
How to Fix
Replace the blower motor resistor AND the melted connector pigtail together (GM 89019088 / ACDelco 15-81086 / Dorman 973-405, cross-ref 22807123) — most aftermarket kits include the harness. Inspect the blower motor itself for worn bearings/high current draw and replace if it caused the burnout. The resistor is on the lower passenger side of the dash, a sub-1-hour DIY.
Medium ConfidenceVerified0 reportsReviewed Jul 2026
On the 2007-2024 Chevrolet Silverado 1500, the mechanical (belt-driven) water pump on the LS/LT V8 Silverado 1500 is a common wear-out item. The internal shaft seal fails and coolant seeps from the pump's weep hole, often appearing as orange/Dex-Cool residue or a puddle at the front-center of the truck; the weep-hole drip can be hard to spot until the bearing also starts to whine. Owners report leaks commonly at roughly 60,000-100,000 miles. If ignored it leads to coolant loss and overheating. Some apparent water-pump leaks turn out to be a failed gasket rather than the pump itself, so confirmation matters.
Orange/Dex-Cool coolant puddle at front-center of the truck
Coolant seeping from the water-pump weep hole
Low coolant warnings or repeated topping off
Whining or grinding from the pump bearing
Engine running hotter than normal / overheating
How to Fix
Pressure-test the cooling system and confirm the leak is from the pump weep hole / shaft seal versus a gasket or hose. Replace the water pump (and gasket), refill with the correct GM Dex-Cool spec coolant, and bleed the system. Inspect the belt and tensioner while accessing the pump. Address any low-coolant overheating before it damages head gaskets.
Medium ConfidenceVerified0 reportsReviewed Jun 2026
General Motors LLC (GM) is recalling certain 2021-2024 Cadillac Escalade and Escalade ESV, Chevrolet Silverado 1500, Suburban, and Tahoe, GMC Sierra 1500, Yukon, and Yukon XL vehicles equipped with a 6.2L V8 gas engine. The connecting rod and/or crankshaft engine components may have manufacturing defects that can lead to engine damage and engine failure.
Campaign #25V27400024/04/2025
SEAT BELTS
General Motors, LLC (GM) is recalling certain 2019-2021 Chevrolet Silverado 1500 and GMC Sierra 1500, 2021 Chevrolet Suburban and Tahoe and GMC Yukon XL and 2020-2021 Chevrolet Silverado 2500 and 3500 and GMC Sierra 2500 and 3500 vehicles. The seat belt brackets may not be secured to the seat frame in the front-row center seating position.
Campaign #20V79200017/12/2020
SEAT BELTS
General Motors, LLC (GM) is recalling certain 2020 Chevrolet Bolt EV and 2021 GMC Canyon and Sierra 1500, 2500 and 3500, Yukon, Yukon XL, Cadillac Escalade and Escalade ESV and Chevrolet Blazer, Camaro, Colorado, Equinox, Silverado 1500, 2500 and 3500, Suburban and Tahoe vehicles. Incorrect bolts may have been used at one or more fastening locations to secure the seat belts to the vehicle. If an incorrect bolt was used, the seat belt may not be properly attached to the vehicle.
What is the 2007-2009 Chevrolet Silverado 1500 Windshield Washer Fluid Heater Module Shorting and Underhood Fire Risk?
Some GMT900 Silverado 1500 trucks equipped with the heated windshield washer fluid system experienced internal shorts in the washer heater module. Owners reported smoke, melting components, dead batteries, and in some cases underhood fires even when the truck was parked. GM issue… Repairs typically run $0-$400. Severity: high.
What is the 1999-2007 Chevrolet Silverado 1500 Rusting Brake Lines Leading to Sudden Hydraulic Brake Failure?
Owners in salt-belt states widely report severe corrosion of the steel brake lines on GMT800 Silverado trucks, sometimes resulting in sudden line rupture during braking. Failures often occur near the ABS module, frame rails, or underbody clips where moisture and road salt accumul… Repairs typically run $600-$2,500. Severity: high.
What is the 2000-2007 Chevrolet Silverado 1500 Tailgate Support Cable Corrosion and Breakage Allowing Tailgate to Drop Suddenly?
GMT800 Silverado tailgate support cables are known to corrode internally and snap, sometimes with little visible warning. When one or both cables fail, the tailgate can drop unexpectedly, damaging cargo or injuring the user. This issue was serious enough to result in a GM safety… Repairs typically run $40-$180. Severity: high.
What is the 2000-2013 Chevrolet Silverado 1500 Engine Oil Cooler Line Failure Causing Rapid Oil Loss at Crimped Hose Fittings?
Silverado V8 trucks commonly develop leaks at the crimped sections of the engine oil cooler lines or at the quick-connect fittings near the radiator/oil cooler adapter. Owners often report sudden puddles of oil, oil sprayed under the truck, or a rapid drop in oil pressure with li… Repairs typically run $250-$900. Severity: high.
What is the 2007-2019 Chevrolet Silverado 1500 P0700 — Transmission Control System Malfunction from Failed 6L80 TEHCM (or 4L60E Shift Solenoid)?
P0700 is not a specific fault by itself — it is an umbrella/MIL-request code the ECM stores whenever the transmission control module (TCM) detects an internal transmission problem and asks the ECM to turn on the check-engine light. On the Silverado 1500 it almost always appears a… Repairs typically run $300-$1,600. Severity: high.
What is the 2007-2014 Chevrolet Silverado 1500 Brake / Fuel Line Corrosion Failure (Galvanized Steel Lines, Salt-Belt)?
The original galvanized-steel brake (and fuel) lines on these trucks lack the modern nylon/PVF anti-corrosion coating, so in cold-weather/road-salt states the lines rust from the outside in and rupture. A brake-line burst causes sudden, often warning-light-free loss of brake pres… Repairs typically run $300-$1,200. Severity: high.
What is the 2007-2019 Chevrolet Silverado 1500 Third Brake Light (CHMSL) Seal Leak Flooding the Rear of the Cab?
The center high-mount stop lamp (third brake light / cargo lamp) gasket dries out, cracks, and lets rainwater and car-wash water into the cab. Because the water runs down behind the interior trim and the carpet has a rubber backing, owners often don't see it until the rear floor… Repairs typically run $15-$200. Severity: medium.
What is the 2000-2013 Chevrolet Silverado 1500 Transfer Case Encoder Motor / Position Sensor Failure Causing Stuck 4WD or Service 4WD Message?
Silverado 1500 trucks equipped with electronic shift transfer cases commonly develop failures in the transfer case encoder motor, mode position sensor, or related switch/module circuitry. Owners report the truck getting stuck in 2HI, 4HI, or 4LO, flashing selector lights, or disp… Repairs typically run $250-$1,200. Severity: medium.
What is the 2007-2024 Chevrolet Silverado 1500 Catalytic Converter Theft Vulnerability (High Ground Clearance, Easily Accessed Converters)?
The full-size Silverado 1500 is one of the most frequently targeted vehicles in the U.S. for catalytic converter theft. Its high ground clearance and underbody-mounted, easily reached converters let thieves cut them out in seconds, often in broad daylight, and lifted trucks are e… Repairs typically run $300-$3,000. Severity: medium.
What is the 2003-2007 Chevrolet Silverado 1500 Instrument Cluster Stepper Motor Failure Causing Inaccurate Gauges?
A very common GMT800 Silverado problem is failure of the instrument cluster stepper motors, which causes the speedometer, tachometer, fuel, oil pressure, voltmeter, or coolant temperature gauges to read erratically or stick at incorrect positions. Owners report needles pegging pa… Repairs typically run $250-$700. Severity: medium.
What is the 2003-2007 Chevrolet Silverado 1500 Blower Motor Resistor and Connector Overheating (No Low Fan Speeds, Burning Smell)?
On GMT800/early-GMT900 Silverados with manual A/C controls, the HVAC blower motor resistor and its wiring connector overheat. Owners lose the lower fan speeds (blower works only on high, or drops speeds 1-4) or lose the blower entirely, often with a burning smell and a melted/sco… Repairs typically run $40-$150. Severity: medium.
What is the 2007-2024 Chevrolet Silverado 1500 Water Pump Failure / Weep-Hole Coolant Leak on 5.3L and 6.2L V8?
The mechanical (belt-driven) water pump on the LS/LT V8 Silverado 1500 is a common wear-out item. The internal shaft seal fails and coolant seeps from the pump's weep hole, often appearing as orange/Dex-Cool residue or a puddle at the front-center of the truck; the weep-hole drip… Repairs typically run $200-$1,450. Severity: medium.
What is the 2000-2013 Chevrolet Silverado 1500 Front Wheel Hub Bearing Failure Triggering ABS Warning and Growling Noise?
Silverado 1500 trucks commonly develop front hub bearing wear, especially on higher-mileage 4x4s and trucks used on rough roads or with oversized tires. Owners report a humming or growling noise that changes with speed and steering input, and because the wheel speed sensor is int… Repairs typically run $250-$800. Severity: medium.
What is the 2007-2024 Chevrolet Silverado 1500 Broken Exhaust Manifold Bolts on 5.3L/6.2L V8 Causing Exhaust Tick and False P0420?
GM's small-block V8s (Gen III/IV LS and Gen V LT) in the Silverado 1500 are notorious for snapping exhaust manifold bolts. The steel bolts and the aluminum cylinder heads expand and contract at different rates through countless heat cycles, fatiguing the bolts until the heads sna… Repairs typically run $250-$900. Severity: medium.
What is the 1999-2010 Chevrolet Silverado 1500 Rocker Panel & Cab Corner Rust-Through (Salt-Belt Body Corrosion)?
GMT800/GMT900 Silverados are notorious for rusting out the rocker panels (below the doors) and cab corners (lower rear corners of the cab). The double-wall panels trap road salt, water, and debris; body drains plug, gaskets rot and let water run down inside, and the metal rusts f… Repairs typically run $300-$5,000. Severity: medium.
What is the 1999-2007 Chevrolet Silverado 1500 Intake Manifold Gasket Vacuum Leak (Rough Idle, Cold-Start Misfire, Lean Codes)?
The Gen III LS truck engines use a plastic intake manifold with molded-bead gaskets. After many heat cycles the sealing beads flatten and crack, letting unmetered air in. Because the LS intake is 'dry,' the result is a vacuum leak that causes a lean condition, rough/unstable idle… Repairs typically run $30-$500. Severity: medium.
What is the 1999-2007 Chevrolet Silverado 1500 Passlock Anti-Theft Crank-No-Start ('Service Theft System' / Flashing Security Light)?
The Passlock II theft-deterrent system reads a Hall-effect sensor and magnet in the ignition lock cylinder. As the sensor or lock cylinder wears, the BCM sees an out-of-range voltage, flags a theft fault, flashes the SECURITY light, and disables fuel injection so the engine crank… Repairs typically run $10-$350. Severity: medium.
What is the 2007-2018 Chevrolet Silverado 1500 Power Window Regulator Failure (Window Off-Track or Won't Roll Up)?
The cable-type power window regulators are a recurring weak point. The plastic cable guides/spools crack or the cable frays and jumps its track, so the window drops into the door, closes crooked, or the motor spins/clicks without moving the glass. Many owners report replacing reg… Repairs typically run $120-$350. Severity: low.
What is the 2007-2022 Chevrolet Silverado 1500 Sunroof Drain Clog / Sunroof Leak Onto Headliner and Floor?
On sunroof-equipped Silverados the four corner sunroof drain tubes clog with debris, so rainwater that normally drains overflows the sunroof tray and leaks onto the headliner, A-pillars, seats, and floor. Owners report wet carpet, dripping headliner, and water sloshing sounds. A… Repairs typically run $0-$300. Severity: low.