A coolant leak may develop from the water pump. This can result in an engine overheating condition. A leaking water pump will require replacement.
Resources for the Repair and Maintenance of your 1994 GMC Rally Wagon 2500
1994 GMC Rally Wagon 2500
1994 GMC Rally Wagon 2500 Problems
The distributor may develop internal faults. This can cause a rough running engine or stalling condition, the Check Engine Light may or may not illuminate. Our technicians tell us that the distributor should be overhauled or replaced to correct this concern.
An engine vacuum leak may develop from the throttle body gasket causing a higher than normal idle speed. Failed gaskets should be replaced.
The alternator may fail causing the battery to go dead. The charge light on the dash may or may not illuminate. The alternator may also develop an abnormal noise. A failed alternator will require replacement.
An oil leak may develop from the distributor o-ring seal requiring replacement of the seal.
1994 GMC Rally Wagon 2500 Questions and Answers
Trying to figure ways to test the fuel pump gauge. It falls in front off the full icon and doesnt move at all Doesnt twitch apon start up,,,nothing. Is there a relay? Not fuse I that I know of.. Fu...
Salutations finally!! I missed you guy and gals (hopeful there's gals). Well now, I finally got the steering wheel column in place and Ive been driving it swell. But now the aircraft light &am...