One problem related to frame rust has been reported for the 2004 GMC Sierra 2500. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2004 GMC Sierra 2500 based on all problems reported for the 2004 Sierra 2500.
Excessive rust on frame of truck, oil lines and gas lines are constantly rusting out. The truck is a GMC k-2500 h d extended cab, 2004 with 34,500 miles on it. Presently waiting for the cooling lines from the oil filter to the radiator which are leaking oil on the exhaust which could cause a fire, when draining oil to change it the oil [removing the plug] follows onto the hot exhaust pipe,another fire hazard. What can be done, can't afford another truck now.
| Structure problems | |
| Frame And Members problems | |
| Frame Rust problems | |
| Body problems |