2018 Toyota Tundra Problems: 5 Known Issues
2018 model year · 39,500+ owner reports · Updated October 2026
According to Au7o's analysis of 39,500+ owner reports, the 2018 Toyota Tundra has 5 documented known issues, with 2 rated critical. The most serious are Power Steering Gear Assembly Oil Leak ($0-$1,500 repair) and Denso Low-Pressure Fuel Pump Failure and Stalling (Recall) ($0-$900 repair). The most commonly reported issue is Power Steering Gear Assembly Oil Leak with 20,000 owner reports. Across all issues with published estimates, repair costs range from $500 to $4,000. DIY maintenance guides at au7o.io.
2018 · All trims · All engines
Choose the year and equipment for your written issues and visual request.
No email neededHow interest is saved
Interest applies to the selected vehicle and configuration; it is not a reservation. Voting stores a first-party identifier for up to 180 days to prevent repeat votes. No account or email is needed. Clearing cookies or using another device may count separately. Privacy
Visual coming soon
Your interest helps us choose what to build next.
Visual Known Issues · Coming soon
$4.99/month plus taxes at launch · No payment today
All 5 Known Issues
NHTSA Recalls15 recalls
FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP
Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2018-2019 4Runner, 2019-2020 Avalon, 2019 Corolla Hatchback, 2017-2019 Highlander, 2018-2020 Camry, 2020 Corolla, 2018-2019 Land Cruiser, 2017-2020 Tacoma, 2019-2020 RAV4, 2019-2020 Sequoia, 2017-2020 Sienna, 2019-2020 Tundra, 2018-2020 Lexus ES350, 2017 Lexus GS200t, 2017-2019 Lexus GS350, 2019 Lexus GS300, 2018-2020 Lexus LC500h, 2019-2020 Lexus LS500, 2018-2019 Lexus GX460, 2017 Lexus IS200t, 2019 Lexus IS300, 2019 Lexus IS350, 2018-2020 Lexus LC500, 2018 Lexus LS500, 2019 Lexus LS500h, 2018-2019 Lexus LX570, 2017 Lexus RC200t, 2019 Lexus RC300, RC350, 2017 and 2019-2020 Lexus RX350, 2018-2020 RX350L, 2019 Lexus UX200, 2018-2019 Lexus NX300 vehicles. The low-pressure fuel pump inside the fuel tank may fail.
STEERING:HYDRAULIC POWER ASSIST SYSTEM
Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2008-2022 Sequoia and 2007-2021 Tundra vehicles. The power steering gear assembly may have been manufactured incorrectly, which can result in an oil leak.
EXTERIOR LIGHTING:HEADLIGHTS
Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2018-2021 Tundra vehicles. The headlight electrical circuits may power the high and low beams simultaneously, which could overheat the electrical connector.
EXTERIOR LIGHTING:TURN SIGNAL
Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2018-2020 Toyota Tundra vehicles equipped with LED headlight assemblies. Due to a wiring error, the front turn signals may not flash brightly enough. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 108, "Lamps, Reflective Devices, and Associated Equipment."
STEERING:HYDRAULIC POWER ASSIST SYSTEM
Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain JTEKT power steering gear assembly service parts for 2007-2021 Tundra and 2008-2022 Sequoia, part numbers 44250-0C160, 44250-0C131, 44250-0C170, and 11250-0C121. The power steering gear assembly may have been manufactured incorrectly, which can result in an oil leak.
+ 10 more recalls. Check all on NHTSA.gov
Enter your VIN at NHTSA.gov to check recalls specific to your vehicle.
Join 600+ people using Au7o to better understand their vehicles.
Don't see your problem? Describe your symptoms to get a diagnosis, or get a full repair guide.
Other Toyota Models
Frequently Asked Questions
What are the most common Toyota Tundra problems?
According to Au7o's analysis of 39,500+ owner reports, the 2018 Toyota Tundra has 5 documented issues. The most frequently reported are: Power Steering Gear Assembly Oil Leak, Denso Low-Pressure Fuel Pump Failure and Stalling (Recall), Cam Tower Oil Leak. Of these, 2 are rated critical and should be addressed promptly.
Is the Toyota Tundra reliable?
The 2018 Toyota Tundra has 5 known issues documented across 39,500+ owner reports. 2 issues are rated critical: Power Steering Gear Assembly Oil Leak and Denso Low-Pressure Fuel Pump Failure and Stalling (Recall). 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 Toyota Tundra problems?
Repair costs for known Toyota Tundra issues range from $0 to $4,000, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, Power Steering Gear Assembly Oil Leak, typically costs $0-$1,500 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.
What is the 2007-2021 Toyota Tundra Power Steering Gear Assembly Oil Leak?
Toyota recalled certain 2007-2021 Tundra vehicles (about 22,000 Tundra and Sequoia units in total) because the power steering gear assembly may have been manufactured incorrectly, which can cause oil leaks. When power steering fluid leaks from the assembly, it can result in sudde… Repairs typically run $0-$1,500. Severity: high.
What is the 2018-2020 Toyota Tundra Denso Low-Pressure Fuel Pump Failure and Stalling (Recall)?
Tundras built with certain Denso low-pressure (in-tank) fuel pumps have a defectively designed plastic impeller that can absorb fuel, swell/deform, and strike the pump housing — causing the pump to seize. The result is hard starting, rough running, illuminated warning lights, and… Repairs typically run $0-$900. Severity: high.
What is the 2007-2021 Toyota Tundra Cam Tower Oil Leak?
The 5.7L iForce V8 engine is known for developing oil leaks at the cam tower due to Toyota's use of gray RTV silicone sealant instead of a proper gasket from the factory. The sealant degrades over time, particularly at the rear of the cam towers where the engine is slanted. Repairs typically run $2,500-$4,000. Severity: medium.
What is the 2007-2019 Toyota Tundra Exhaust Manifold Cracking and Bolt Failure?
Toyota Tundra V8 engines are prone to exhaust manifold cracking, particularly on the driver side where the air injection tube weld enters the manifold. Additionally, exhaust manifold bolts can corrode and break, causing exhaust leaks. The ticking noise is most noticeable at cold… Repairs typically run $500-$3,000. Severity: medium.
What is the 2007-2021 Toyota Tundra Excessive Oil Consumption from Piston Ring Coking (3UR-FE)?
The 5.7L 3UR-FE is known to develop elevated oil consumption as it accumulates miles, driven by coking/sticking of the piston oil-control rings. Owners report needing to top off oil between changes, with consumption tending to worsen over time. While many trucks consume modest am… Repairs typically run $0-$3,500. Severity: medium.
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.