1990 GMC S15 Jimmy Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 1990 GMC S15 Jimmy
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1990 GMC S15 Jimmy ProblemsPower Window Motors May Fail From Overheating
A door window may move slowly or stop in mid travel due to a failing power window motor. The affected window may start working again after the motor cools off. Replacing the faulty window motor will commonly correct this concern.
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 GMC S15 Jimmy QuestionsWhy does my 85 Jimmie turn over but wont Start? (1 answer)
We replaced wires and plugs already. It showed no warning b4 it died. Just didn't start back up one day.
Checked fuse, i am getting continuity up through the push button on turn signal lever, replaced small black box under dash, left of steering colmn. i have great vacuum to throttle actuator. please help!
I foud a 3 wire black sleeved cablr coming from the cruise/wiper/turn sign. switch on the column that has a receptacle i dont reconize,I had a s15 before that I replaced the column in from a truck with cruise but mine didn't have it so I didn't worry about it.This truck is original & ...