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 Problems

Driveability Problems Due to Internal Distributor Fault

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.

Check Engine Light and Erratic Gauge Operation

The electrical contacts in the ignition switch may fail and result in erratic instrument panel gauge operation or illumination of the Check Engine Light. A failed ignition switch will require replacement.

Coolant Leak From Heater Core

The heater core under the right side of the dashboard may leak engine coolant which can puddle on the passenger front floor. The loss of coolant may cause an engine overheating condition. Our technicians tell us that removal of the dash board is necessary to replace the heater on these vehicles.

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1990 GMC S15 Jimmy Questions

How do I change the break switch, what does it look like, and where exactly is it located on a 1989 S15 Jimmy? (1 answer)

I brought a part but It doesn't seem like right part. It's long, with two terminals on one endend, and a threaded end with plunger. The same switch is on the front of my break shaft not the back, that's why I think I might have the wrong part.

Why 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.

cruise control inoperative (3 answers)

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!

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1990 GMC S15 Jimmy Reviews

good car lasted over 10 years with 190000 miles on it

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