Diesel Fuel System Related Problems of the 2008 GMC Sierra 1500

Table 1 shows one common diesel fuel system related problems of the 2008 GMC Sierra 1500.

Table 1. Diesel Fuel System related problems of GMC Sierra 1500

Problem Category Number of Problems
Diesel Fuel System problems
1

Diesel Fuel System problem

The contact owns a 2008 GMC Sierra 1500. The contact stated while the vehicle was parked in the garage, diesel fuel started leaking onto the garage floor. The contact recently purchased the vehicle, inspected the source of the leak, and discovered that the fuel lines were completely rusted. Additionally, the contact stated that after refueling the vehicle, the fuel level lowered to half a tank the following day, creating a hazard. The vehicle was towed to a dealer but was not yet diagnosed. The vehicle was not repaired. The manufacturer was not notified of the failure. The failure mileage was approximately 163,000.



Sierra 1500 Service Bulletins
Sierra 1500 Safety Recalls
Sierra 1500 Defect Investigations