GMC C2500 owners have reported 16 engine and engine cooling related problems since 1996. Table 1 shows the 8 most common engine and engine cooling problems. The number one most common problem is related to the vehicle's engine and engine cooling (6 problems). The second most common problem is related to the vehicle's engine cooling system (2 problems). For details of each of the problem category, use the links in the table.
While driving, large amount of smoke came out. Took it to gm dealer who said that it the fuel injectors were leaking. Looked online and noticed hundreds of reports of the same action. GMC apparently did an extended warranty for the issue, but only covered it for 7 years from time of purchase and up Read details...
The contact owns a 2001 GMC 2500 hd. The contact stated that while driving approximately 15 mph the vehicle suddenly stalled. The vehicle was towed to an independent mechanic where the contact was informed that the crank shaft position sensor needed to be replaced. The vehicle was repaired. Read details...
While replacing the fuel injectors under a special injector warranty, the dealership broke a glowplug off and called to say I need to replace the cylinder head at my cost. Call GMC customer support who say due to the age and mileage 2001, 124500. Read details...
My mechanic said it's not ordinary for this heavy duty truck to leak oil with only 77,000 miles. Pls investigate my problem and contact gm. My email address villamej@rcn. Com, to contact me and update. Looking forward to hear from you. Thanks. Read details...
Engine pings/knocks on even slight acceleration. Read details...