One problem related to fuel hoses lines/piping and fittings has been reported for the 2004 GMC Sierra 3500. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2004 GMC Sierra 3500 based on all problems reported for the 2004 Sierra 3500.
The contact owns a 2004 GMC Sierra 3500 hd. The contact stated that there was a large puddle of unknown fluids under the vehicle. After inspecting the vehicle, the contact discovered that the fuel line was severely corroded and causing diesel fuel to leak. The vehicle was taken to a dealer where they advised the contact that the fuel line needed to be replaced due to the corrosion. The vehicle was not repaired and the manufacturer was not contacted in regards to the failure. The failure mileage was approximately 117,000.
| Fuel Injector problems | |
| Fuel Hoses Lines/piping And Fittings problems |