What are the most common Chevrolet Silverado problems?
According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2011 Chevrolet Silverado has 5 documented issues. The most frequently reported are: 5.3L V8 Active Fuel Management (AFM) Lifter Collapse and Camshaft Damage, 5.3L AFM Excessive Oil Consumption (Low-Tension Piston Rings / Oil Spray), 6.6L Duramax LML Bosch CP4.2 Fuel Pump Failure — Whole Fuel System Destruction. Of these, 3 are rated critical and should be addressed promptly.
Is the Chevrolet Silverado reliable?
The 2011 Chevrolet Silverado has 5 known issues compiled from NHTSA recalls, manufacturer TSBs, and owner forum reports. 3 issues are rated critical: 5.3L V8 Active Fuel Management (AFM) Lifter Collapse and Camshaft Damage and 5.3L AFM Excessive Oil Consumption (Low-Tension Piston Rings / Oil Spray) and 6.6L Duramax LML Bosch CP4.2 Fuel Pump Failure — Whole Fuel System Destruction. 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 problems?
Repair costs for known Chevrolet Silverado issues range from $100 to $12,000, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, 5.3L V8 Active Fuel Management (AFM) Lifter Collapse and Camshaft Damage, typically costs $1,500-$4,500 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.
What is the 2007-2019 Chevrolet Silverado 5.3L V8 Active Fuel Management (AFM) Lifter Collapse and Camshaft Damage?
The 5.3L (and 6.2L) V8 with Active Fuel Management — GM's cylinder-deactivation system that drops the engine to 4 cylinders to save fuel — is notorious for collapsed AFM lifters. The special deactivating lifters (and the lifter oil-manifold/VLOM that feeds them) fail when oil pre… Repairs typically run $1,500-$4,500. Severity: high.
What is the 2010-2014 Chevrolet Silverado 5.3L AFM Excessive Oil Consumption (Low-Tension Piston Rings / Oil Spray)?
Gen IV 5.3L AFM engines burn oil at an abnormal rate — many owners report consuming roughly a quart every 1,000-2,000 miles with no external leak. The accepted root cause is a combination of GM's low-tension piston rings plus the AFM system spraying oil onto the cylinder walls du… Repairs typically run $2,500-$6,000. Severity: high.
What is the 2011-2016 Chevrolet Silverado 6.6L Duramax LML Bosch CP4.2 Fuel Pump Failure — Whole Fuel System Destruction?
Silverado 2500HD/3500HD trucks with the 6.6L Duramax LML use the Bosch CP4.2 high-pressure injection pump, which was designed around European diesel and is poorly lubricated by U.S. ULSD. The pump's roller/cam interface can gall and disintegrate, sending metal shavings throughout… Repairs typically run $5,000-$12,000. Severity: high.
What is the 2007-2013 Chevrolet Silverado Fuel Pump Control Module (FPCM/FSCM) Corrosion — Crank, No-Start?
GMT900 Silverados (and the late GMT800) mount the fuel pump control module / fuel-system control module on an exposed frame-rail bracket where it is constantly hit with road salt, water and debris. The module's connector and internals corrode, and the FPCM then fails to drive the… Repairs typically run $250-$600. Severity: medium.
What is the 2007-2014 Chevrolet Silverado Cracking Dashboard (UV / One-Piece Dash Pad Failure)?
GMT900 Silverados (and the matching Tahoe/Suburban/Sierra/Yukon) are known for the one-piece dash pad cracking — typically near the passenger airbag seam, the defroster vents and the corners. Owners attribute it to the plastic grade, UV/sun exposure and factory over-tightening of… Repairs typically run $100-$2,000. Severity: low.
