1999 GMC 2500 Pickup Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 1999 GMC 2500 Pickup

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1999 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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1999 GMC 2500 Pickup Questions

im looking for the fuel pump relay (1 answer)

theres no power feed to the fuel pump

fuel pressure (2 answers)

what is fuel pressure koeo and koer?

how can I get the rear brake drum off (1 answer)

I cannot get the rear braske drum loose from the axle so i can check the shoes - any suggestions?

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1999 GMC 2500 Pickup Recalls

Seat Belts Not Proper For Vehicle

The seat belts installed on the vehicle may not meet proper federal requirements. Dealers will replace both front seat belts free of charge to resolve the concern.

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