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Resources for the Repair and Maintenance of your 1990 GMC Rally Wagon 1500

1990 GMC Rally Wagon 1500

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1990 GMC Rally Wagon 1500 Problems

Engine -- Verified

A coolant leak may develop from the water pump. This can result in an engine overheating condition. A leaking water pump will require replacement.

Engine -- Verified

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.

Engine -- Verified

An engine vacuum leak may develop from the throttle body gasket causing a higher than normal idle speed. Failed gaskets should be replaced.

Engine -- Verified

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.

Engine -- Verified

An oil leak may develop from the distributor o-ring seal requiring replacement of the seal.

1990 GMC Rally Wagon 1500 Questions and Answers

Addi, 1990 GMC Rally Wagon 1500, 5.0L V8, Staten Island, NY

How soon will I bring to the mechanic with the CodePO466.

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