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Resources for the Repair and Maintenance of your GMC S15 Jimmy

GMC S15 Jimmy Models:

Image for car images GMC 1990 1991 GMC S15 Jimmy size thumb

GMC S15 Jimmy Problems

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.

Electrical & Lights -- Verified

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.

Brakes -- Verified

The Anti-lock brake system (ABS) control unit may fail internally causing the ABS warning light to illuminate.

Engine -- Verified

The intake manifold gasket may develop and external engine oil or coolant leak. In some cases, an internal coolant leak may occur causing coolant to mix with the engine oil. Running the engine with a coolant/oil mix may result in engine damage. Replacing the intake manifold gasket should correct this issue.

Engine -- Verified

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

GMC S15 Jimmy Questions and Answers

paintballcrazycody, 1990 GMC S15 Jimmy, Port Orchard, WA

one of the three main wires that run off the starter that power my car broke on my 1985 gmc jimmy s15. I fixed the wire now my truck will only turn over I cant get it to start.

Jesse B, 1990 GMC S15 Jimmy, Biloxi, MS

gas goes into the throttle body but doesnt come out. i have cleaned it and changed the injectors and it still does it. it happens about 1 out of 5 times i try to start it.

drjazz, 1990 GMC S15 Jimmy, Mercer Island, WA

i have installed new battery & alternator on 1986 Jimmy,and my amp meter is 11 or 12. and should be 14. Can this be a cable problem

mlc0720, 1990 GMC S15 Jimmy, Winston Salem, NC

I just replaced my 1987 2.8v6 engine, transmission and underhood wireharness with a 1990 4.3v6. I bought a new computer for the 1990, a new map sensor and of course the 4.3 was brought to the mach...

Jor1119, 1990 GMC S15 Jimmy, Swan Lake, NY

My jimmy is stuck in 4 wheel drive. How can i fix this problem

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GMC S15 Jimmy Reviews

good car lasted over 10 years with 190000 miles on it

this truck has been great, bought mine with 75000 miles on it last november. i have had to put a new exhaust system because the catalytic converter went bad but besides that i love this truck, this is a mean little truck and it can handle just about anything

My 1991 S15 Jimmy has been great for me, i have experienced some of the common problems like the power window motors going bad or the heater core leaking coolant onto the front passenger side of the floor. But besides these minor problems this truck has been nothing less than great for me.

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