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Resources for the Repair and Maintenance of your 1991 GMC 1500 Pickup

1991 GMC 1500 Pickup

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1991 GMC 1500 Pickup Problems

Miscellaneous -- Verified

The inside and outside door handles are prone to breaking.

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.

Electrical & Lights -- Verified

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.

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.

Heating & Air Conditioning -- Verified

The quick-connect fittings for the heater hoses tend to leak engine coolant. This problem commonly occurs because the metal housing has become brittle, which can break and cause leaks.

1991 GMC 1500 Pickup Questions and Answers

fireball, 1991 GMC 1500 Pickup, V8, Mesquite, TX

Why do brake calibers stick???

My1991gmc, 1991 GMC 1500 Pickup, V6, Kuna, ID

No gas will spray out of injections. How can I repair this?

My1991gmc, 1991 GMC 1500 Pickup, V6, Kuna, ID

Fuel injections are getting fuel but, the truck still will not stay started.
I also want to know where the ECM is located on the truck?

My1991gmc, 1991 GMC 1500 Pickup, V6, Kuna, ID

new fuel pump, new fuel filter, new rebuilt throttle body, new control module in the distributor, new fuel injuetors, new fuel relay....injections do not work......what am I I missing???

lefty9mm, 1991 GMC 1500 Pickup, 5.7L V8, Largo, FL

This is a first time occurance. No other problems exist that I am aware of.

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1991 GMC 1500 Pickup Reviews

diz truck is just like mine and fuken bad ass

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