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Resources for the Repair and Maintenance of your 1991 GMC S15 Jimmy

1991 GMC S15 Jimmy

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1991 GMC S15 Jimmy Problems

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.

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.

Engine -- Verified

The fuel pump may fail causing the engine to stall and not restart. Our technicians recommend replacing the fuel filter every 30,000 miles to help prevent undue strain on the fuel pump.

Engine -- Verified

A coolant leak may develop from the water pump. This can result in an engine overheating condition. A leaking water pump will require replacement.

Engine -- Verified

The alternator may fail, causing a "no charge" condition. An internal bearing may also fail and cause an abnormal noise. If the vehicle is driven too long with a failed bearing, the alternator may stop turning, which can cause the serpentine belt to break or the engine to stall and not turn over.

1991 GMC S15 Jimmy Questions and Answers

Eveie, 1991 GMC S15 Jimmy, Soddy Daisy, TN

transmission pan was leaking,bought a new pan and seal, every thing I needed to replace it also bought new transmission filter but it still leaks and now it will not go into overdrive. Any advice ...

hollander62292, 1991 GMC S15 Jimmy, Trenton, NJ

one day the truck decided not to start anymore, the engine is clearly cranking but it wont start, i changed the fuel pump and the fuel filter but the truck still does not start. if you know of any ...

hollander62292, 1991 GMC S15 Jimmy, Trenton, NJ

what would i have to do to get to and replace the fuel injectors on a 4.3L V6 Vortec engine? its a model 220 throttle body injection. a detailed answer would great.

Visitor, 1991 GMC S15 Jimmy, Richmond, VA

My mechanic has just replace the rear axle seal. We want make sure that we are using the correct oil.

Jerry3, 1991 GMC S15 Jimmy, Wolfe City, TX

I have a 1991 GMC S15 Jimmy with a 4.3L V6; I have fuel pumping to the throttle body, but the injectors aren't spraying any fuel. I need to know what tells the injectors to work so I can fix ...

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1991 GMC S15 Jimmy Reviews

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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