2002 GMC Sierra 2500 HD Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 2002 GMC Sierra 2500 HD
2002 GMC Sierra 2500 HD Problems
One or more heater & AC (HVAC) temperature and/or air delivery mode door actuator may fail, resulting in improper temperature or air delivery. If this occurs, fault code(s) should be stored in the HVAC control module which should assist in diagnoses.
The daytime running lights are prone to burning out. Our technicians tell us that the light sockets may show signs of heat damage but usually are OK. Always be sure to use the correct replacement bulb for the best life expectancy. The new bulb recommendation for 2001-2003 models is #4114K (trade number).
The 4WD transfer case encoder motor position sensor or the selector switch may fail causing the service 4WD message to be displayed. Fault code(s) stored in the transfer case control module will be of assistance in determining the exact fault causing the message to be displayed.
2002 GMC Sierra 2500 HD Questions
a couple try to start again
Fog light replacement, lenses, bulbs, complete assemblies???
2002 GMC Sierra 2500 HD Recalls
2002 GMC Sierra 2500 HD Reviews
I started to here a pulsation noise behind my glove box area about every 30 seconds. With my hand I reached under and located the noise against the fire wall. I found a damper that was opening and closing back and fourth. Then found out I have a cabin air filter; changed them out with new ones. Thought that would be the problem, but I still have this damper wanting to pulse back and fourth f...
Why did my inside/outside a.c. door quit working. Button dash lights up but door does not move. 2002 GMC Sierra 2500hd duramax