2008 GMC Sierra 2500 HD Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 2008 GMC Sierra 2500 HD
2008 GMC Sierra 2500 HD Problems
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.
Gas engines only
A Loose or worn gas cap may cause Check Engine Light to illuminate.
2008 GMC Sierra 2500 HD Questions
there is a roar in the front end at highway speeds. the noise gets less with slower speeds and higher speeds.
THIS TRUCK WHEN COOL OR COLD STUMBLES & HESITATES TO START
FUEL PRESSURE 60 T0 66 PSI COLD & HOT. MASS AIR FLOW CORRECT ,TPS CORRECT, MAP CORRECT, REPLACED THROTTL BODY,
HOOKED UP BATTERY CHARGER, SAME THING, DID A INJECTOR DROP TEST ALL PASSED WITH SAME DROP IN PRESSURE,PULLED POST O2 ...
Trying to find out the best way to clean fuel lines that have Gas instead of diesel fuel includng how to remove excess fuel in the fuel pump befre repriming?
2008 GMC Sierra 2500 HD Recalls
The heated washer module under the hood could overheat due to excessive current draw. Under certain conditions, this could result in an under hood fire. This previous recall attempt in 2008 to repair this concern did not have the expected success. Dealers will now permanently disable and remove the heated washer module to correct this concern. This recall is expected to begin on June 20, 2010.
The wiring to the washer system heater may overheat due to a failure in the heater module. This could cause other electrical features to malfunction, smoke to develop, and an electrical fire could result. Dealers will install a wire harness with an inline fuse to protect the washer heater module. This recall is expected to begin on September 12, 2008. The General Motors recall number is 08048.