1991 GMC 1500 Pickup Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 1991 GMC 1500 Pickup
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1991 GMC 1500 Pickup ProblemsInside/Outside Door Handles May Break
The inside and outside door handles are prone to breaking.
The windshield wipers may not work intermittently due to a faulty wiper motor control board. Our technicians tell us that lightly taping on the wiper motor when the fault occurs should temporarily get the wipers working again. Some vehicles were recalled for this problem and some were not. You will need to check with your local dealer to find out if a specific vehicle was included.
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.
1991 GMC 1500 Pickup QuestionsHelp can't figure out why I lose power when use my lights or turn signals (1 answer)
My gauges are not reading right and it loses power if I run any accessories. Its not the alternator or fuses.
if I put a bigger fuss it will start like it takes a 10 amp I have to put in a 30 amp to start keeps turning over but don't start