1990 Chevrolet G Series Van (G30) Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 1990 Chevrolet G Series Van (G30)
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1990 Chevrolet G Series Van (G30) 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 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.
A coolant leak may develop from the water pump. This can result in an engine overheating condition. A leaking water pump will require replacement.
1990 Chevrolet G Series Van (G30) QuestionsMy fan only blows air through the defroster. What causes this? How do I fix it? (1 answer)
Problem is constant now but it was intermittent and would switch after a few minutes.
My engine sputtered just a little then it started bogging down on me. It would shift through 3 gears but is pulling very hard now won't move at all.