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1998 GMC 2500 Pickup Repair and Maintenance Costs

A guide to repairs, service, and maintenance costs for your 1998 GMC 2500 Pickup

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1998 GMC 2500 Pickup Problems

Power Brake Units May Leak Fluid From Hydro-Boost Unit

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.

Power Door Lock Actuators May Fail

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

ABS Warning Light On and/or Erratic ABS Operation

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.

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1998 GMC 2500 Pickup Questions

What transmission does my truck have? (1 answer)

I have a 98 k2500 with the 6.5 diesel and a 5 speed manual the repair shop can't give me an accurate estimate without knowing if I have the nv4500 or a different transmission. the vin is 1gtgk24fxwz502196. Any help would be great as the estimate doubles if it doesn't have the New Venture...

What could the knock be (3 answers)

Has a knock and has white smoke coming from the exhaust. I know the smoke is from oil but the knock comes and goes after it runs for a min and gets warm the knock starts. Once the truck cools down the knock goes away. When the knock first happened there were metal in the oil. However I change th...

Brake warning light came on after hitting the brakes hard. Won't go off? (2 answers)

Had to suddenly hit the brakes at a stop light - - someone stopped a bit short in front of me. Hit the pedal hard, truck stopped just fine, but then, the brake warning light on the instrument panel came on and the pedal now goes way down - - almost to the floor. There is fluid in the brake master...

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