The worst 2008 GMC W4500 problems
Ranked by number of owner complaints. Mileage and cost come from what owners wrote.
Problems by type
Tap a problem to see which part fails, at what mileage and in which other years.
Recalls 4
Vehicle speed control: accelerator pedal
- What is wrong
- Isuzu Technical Center of America, Inc. (Isuzu) is recalling certain model year 2008-2009 and 2012-2013 Isuzu NPR and NPR HD vehicles and 2008-2009 GMC W3500 and GMC W4500 vehicles. The affected vehicles, equipped with a gasoline-powered engine, have a throttle pedal that may get stuck under the steel stopper bolt, causing the pedal to remain in the full throttle position.
- Risk
- A stuck open accelerator pedal may result in very high vehicle speeds and make it difficult to stop the vehicle, which could cause a crash, serious injury or death.
- Remedy
- Isuzu will notify owners, and dealers will remove and replace the stopper bolt with a flanged plate, to prevent lateral movement of the throttle, free of charge. The recall began on June 23, 2017. Owners may contact Isuzu customer service at 1‑866‑441‑9638.
Recall number 17V324000 · Recall details
Fuel system, gasoline: storage: tank assembly
- What is wrong
- Isuzu Manufacturing Services of America (Isuzu) is recalling certain model year 2006-2008 Isuzu NPR and NPR-HD and Chevrolet W3500 and W4500 trucks manufactured March 16, 2005, to August 13, 2008 and 2006-2008 GMC W3500 and W4500 trucks manufactured July 18, 2005, to August 13, 2008. The affected vehicles have a fuel tank that may corrode and leak fuel.
- Risk
- A fuel leak in the presence of an ignition source increases the risk of a fire.
- Remedy
- Isuzu will notify owners, and dealers will replace the fuel tank, free of charge. Isuzu issued an interim notification to owners on December 18, 2015. The recall began on April 8, 2016. Owners may contact Isuzu customer service at 1‑866‑441‑9638.
Recall number 15V704000 · Recall details
Equipment: appliance: air conditioner
- What is wrong
- E-n-g mobile system is recalling certain model year 2008 chevrolet w5500, model year 2007-2009 dodge 3500, model year 2009 mighty mover, model year 2006-2009 ford e-250, e-350 and e-450, model year 2008-2009 gmc w4500, model year 2007 international 4300, model year 2009 toyota land cruiser vehicles equipped with carrier airv ceiling units, model nos. 68rv0010ba, 68rv0012ca, and 68rv0010ea. The heater element in these assemblies may be defective which could cause the unit to create smoke or sparks.
- Risk
- This defect could result in a fire.
- Remedy
- E-n-g mobile system will notify owners and the vehicles will be repaired by carrier free of charge. Please see carrier's defect report 09e-053. The safety recall is expected to begin during december 2009. Owners may contact carrier at 1‑877‑584‑7059 or e-n-g mobile system at 1‑925‑798‑4060.
Recall number 09V434000 · Recall details
Power train: driveline: driveshaft
- What is wrong
- Izusu is recalling 2,836 my 2008-2009 npr/nqr and nrr, gmc w3500, 4500 and 5500, chevrolet w3500, 4500 and 5500 trucks. The propeller shaft was manufactured with insufficient high frequency heat treatment. As a result, the affected portion of the propeller shaft may not maintain its durability through the expected vehicle useful life.
- Risk
- The propeller shaft could break off while the vehicle is being driving, which would result in the vehicle stalling and coasting to a stop, or loss of vehicle control which could result in a crash.
- Remedy
- Dealers will replace the propeller shaft free of charge. The recall began on march 5, 2009. Owners may contact isuzu at 1‑866‑441‑9638.
Recall number 09V042000 · Recall details
Technical service bulletins for the 2008 GMC W4500 154
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- New Vehicle Monitoring Programs Section in IVH
- This Preliminary Information communication provides information to the technician about vehicles that have...
- This PI communicates the requirement to provide a pico file to receive diagnostic assistance from TAC.
- This Preliminary Information communication provides information to the technician about the use of...
- This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline...
- This service bulletin provides information for dealers/technicians on When and How to Submit a Field...
- This Preliminary Information communication provides information to the technician about changing the tire...
- Vehicle Wide Programming (VWP) is a new process to update software on GM Vehicles
- This service bulletin provides information to dealership personnel on diagnosis and replacement of shock...
- This service bulletin provides information on a guide to help reduce repeat visits for the same customer...
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Questions about the 2008 GMC W4500
Is the 2008 GMC W4500 reliable?
Owners have filed 0 complaints about the 2008 GMC W4500.
What is the most common problem with the 2008 GMC W4500?
There are not enough complaints to tell.
How many recalls does the 2008 GMC W4500 have?
4 recalls, covering vehicle speed control, fuel system, gasoline and equipment.
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