1990 Chevrolet G Series Van (G20) Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 1990 Chevrolet G Series Van (G20)
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1990 Chevrolet G Series Van (G20) ProblemsIdling Problems Due to Vacuum Leak in Throttle Body Gasket
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.
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.
1990 Chevrolet G Series Van (G20) QuestionsPower bed/seat quit working..is there a fuse? Or a way to fold down manually? (1 answer)
While trying to replace my thermostat, I tried to remove the intake manifold and one of the bolts broke off. Now I must figure out how to remove this bolt without damaging my intake manifold.
I put 6 but still low and going slow now but reverse fine and fluid drain from coolant line