One problem related to engine oil leaking has been reported for the 2003 GMC Sierra 2500. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2003 GMC Sierra 2500 based on all problems reported for the 2003 Sierra 2500.
Power steering cooler and lines rusted through and leaking, engine oil cooler lines rusted through and leaking, transmission oil cooler lines rusted through and leaking. All had to be replaced. Work donea t GMC dealer.
| Car Stall problems | |
| Engine And Engine Cooling problems | |
| Engine Exhaust System problems | |
| Service Engine Light On problems | |
| Engine Oil Leaking problems |