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Resources for the Repair and Maintenance of your 1991 GMC 2500 Pickup

1991 GMC 2500 Pickup

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1991 GMC 2500 Pickup Problems

Miscellaneous -- Verified

The power door lock actuators may become slow to operate or stop working completely and require replacement.

Brakes -- Verified

Power brake systems using "hydro-boost" may leak power steering fluid from the hydro-boost unit located behind the brake master cylinder. Replacement of the hydro-boost unit is the common repair to correct this concern.

Miscellaneous -- Verified

The inside and outside door handles are prone to breaking.

Brakes -- Verified

The anti-lock brake system (ABS) front wheel speed sensors are prone to failure. When a sensor fails, the ABS warning light may illuminate and/or the ABS system may activate erratically.

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.

1991 GMC 2500 Pickup Questions and Answers

Visitor, 1991 GMC 2500 Pickup, 6.2L V8 Diesel, Craig, CO

I have checked the fuses inside relays and maxi fuse outside and they are all good. I get no power to the switch but I can jumper to the motor and it does spin.

kayerae1983, 1991 GMC 2500 Pickup, 7.4L V8, Kingman, AZ

We have changed the spark plugs, wires TPS, distubutor cap fuel filter and rotor. We checked the onboard codes and it said the TPS was bad, but we have put a new TPS in and it still does the same t...

JDeerefan, 1991 GMC 2500 Pickup, 5.7L V8, Potwin, KS

I think the question is pretty self expanitory...thank you

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