GMC · Known Issues
2008 GMC Yukon Problems: 9 Known Issues
2008 model year · 2,200+ owner reports · Updated September 2026
2008 · All trims · All engines
Choose the year and equipment for your written issues and visual request.
2008 model year · 2,200+ owner reports · Updated September 2026
2008 · All trims · All engines
Choose the year and equipment for your written issues and visual request.
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According to Au7o's analysis of 2,200+ owner reports, the 2008 GMC Yukon has 9 documented known issues, with 3 rated critical. The most serious are AFM/DOD Lifter Collapse and Valvetrain Failure ($3,500-$8,000 repair), Heated Washer Fluid System Overheats Ground Wire (Recall 08V441) and Heated Washer Fluid System Can Catch Fire (Recall 10V240000). The most commonly reported issue is AFM/DOD Lifter Collapse and Valvetrain Failure with 1,480 owner reports. Across all issues with published estimates, repair costs range from $60 to $8,000. DIY maintenance guides at au7o.io.
TIRES
General Motors LLC (GM) is recalling certain 2020 Buick Enclave, Cadillac XT4, XT5, Escalade, Escalade ESV, Chevrolet Suburban, Tahoe, Traverse, GMC Yukon, Yukon XL, 2018-2021 Chevrolet Express, GMC Savana, 2019-2020 Chevrolet Blazer, Silverado 1500, GMC Acadia, Sierra 1500, and certain Continental tires sold to the aftermarket for various model year 2018-2021 vehicles. The affected tires were cured for too long during production.
FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP
General Motors LLC (GM) is recalling certain 2020 Cadillac Escalade, Escalade ESV, Chevrolet Camaro, Silverado 1500, Suburban, Tahoe, GMC Sierra 1500, Yukon, and Yukon XL vehicles. The fuel pump may be missing a pressure regulator, allowing for over-pressurization of the fuel system.
SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:WHEEL SPEED SENSOR/TONE RING
General Motors LLC (GM) is recalling certain 2015-2020 Chevrolet Suburban, Tahoe, and GMC Yukon, and 2014-2018 Chevrolet Silverado 1500 and GMC Sierra 1500 vehicles equipped with a 5.3-liter engine, a 3.08-ratio rear axle and four-wheel drive. If a wheel-speed sensor fails, while the vehicle is traveling between 41 and 60 mph in four-wheel or automatic mode, the Electronic-Brake Control Module (EBCM) software may activate the driveline-protection system.
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According to Au7o's analysis of 2,200+ owner reports, the 2008 GMC Yukon has 9 documented issues. The most frequently reported are: AFM/DOD Lifter Collapse and Valvetrain Failure, Heated Washer Fluid System Overheats Ground Wire (Recall 08V441), Heated Washer Fluid System Can Catch Fire (Recall 10V240000). Of these, 3 are rated critical and should be addressed promptly.
The 2008 GMC Yukon has 9 known issues documented across 2,200+ owner reports. 3 issues are rated critical: AFM/DOD Lifter Collapse and Valvetrain Failure and Heated Washer Fluid System Overheats Ground Wire (Recall 08V441) and Heated Washer Fluid System Can Catch Fire (Recall 10V240000). 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.
Repair costs for known GMC Yukon issues range from $60 to $8,000, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, AFM/DOD Lifter Collapse and Valvetrain Failure, typically costs $3,500-$8,000 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.
The GMC Yukon 5.3L (L83, LC9, LMG) and 6.2L (L94, L86) V8 engines use Active Fuel Management (AFM) cylinder deactivation. The special collapsible AFM lifters on cylinders 1, 4, 6, and 7 fail prematurely, causing misfires, engine ticking, rough idle, and potential catastrophic dam… Repairs typically run $3,500-$8,000. Severity: high.
GMC Yukons from the 2007 and 2008 model years that left the factory with the heated wiper washer fluid option are part of GM's 08V441000 recall. A short circuit on the washer fluid heater's printed circuit board can overheat the control-circuit ground wire. GM's stated consequenc… 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.
POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE)
General Motors, LLC (GM) is recalling certain 2026 Cadillac Escalade and Escalade ESV, Chevrolet Silverado 1500, Suburban, and Tahoe, and GMC Sierra 1500, Yukon, and Yukon XL vehicles with four-wheel (4WD) or all-wheel drive (AWD), and certain 2015-2020 Suburban, Escalade, Escalade ESV, Yukon, Yukon XL, and Tahoe vehicles. A component missing from the drivetrain transfer case may cause the front and/or rear wheels to lock up without warning to the driver.
SERVICE BRAKES, HYDRAULIC:POWER ASSIST:VACUUM
General Motors LLC (GM) is recalling certain 2018 Cadillac Escalade, Chevrolet Silverado 1500 and Tahoe, GMC Sierra 1500 and Yukon vehicles equipped with either a 5.3L or 6.2L V8 engine. The output of the mechanical vacuum pump can decrease over time, decreasing the amount of vacuum/power brake assist.
+ 4 more recalls. Check all on NHTSA.gov
Enter your VIN at NHTSA.gov to check recalls specific to your vehicle.
GMC Yukons from 2007-2009 that were built with the heated washer fluid system (HWFS) are named in NHTSA recall 10V240000. The failure is in the heated washer module itself: a printed circuit board electrical short. GM had already run a 2008 recall that added a fuse to the control… Severity: high.
Yukon and Yukon XL models equipped with Autoride (RPO Z55) or electronic suspension feature rear air springs and a compressor that commonly fail between 80,000-130,000 miles. The air spring bags crack from age and temperature cycling, causing the rear of the vehicle to sag overni… Repairs typically run $600-$3,200. Severity: medium.
The mechanical (belt-driven) water pump develops internal bearing and seal wear with age and mileage, then leaks coolant from the weep hole at the front-center of the engine. Left unaddressed the pump can drip DEXCOOL onto the ground, run the cooling system low, and cause overhea… Repairs typically run $400-$1,423. Severity: medium.
On Autotrac electronic-shift 4WD Yukons the transfer-case encoder motor and its position sensor/selector switch fail, so the module can no longer confirm the range. The dash 4WD buttons flash, the truck won't shift between 2HI/4HI/4LO or gets stuck in one range, the Service 4WD l… Repairs typically run $150-$700. Severity: medium.
The Active Fuel Management (AFM) 5.3L V8 burns oil at an abnormal rate, frequently a quart every 1,500-2,500 miles. The AFM pressure-relief valve in the valley sprays oil onto the cylinder walls when cylinders deactivate; combined with low-tension/coking piston rings and an oil-d… Repairs typically run $1,500-$6,000. Severity: medium.
The one-piece molded dash pad splits and cracks, most often along the seam above the passenger airbag and over the instrument cluster. Owners attribute it to GM's switch from a multi-piece to a one-piece design with insufficient relief points and over-tightened mounting bolts, co… Repairs typically run $800-$2,000. Severity: medium.
The small electric blend-door actuators that control temperature and air-flow direction strip their internal plastic gears, producing a repetitive tapping/clicking noise from behind the radio or glovebox and causing the HVAC to blow the wrong temperature (e.g., stuck cold on the… Repairs typically run $60-$500. Severity: low.