1998 GMC 3500 Pickup Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 1998 GMC 3500 Pickup

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1998 GMC 3500 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.

Inside/Outside Door Handles May Break

The inside and outside door handles are prone to breaking.

Power Door Lock Actuators May Fail

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

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1998 GMC 3500 Pickup Questions

Why does my truck stalled when I push the accelerator (2 answers)

Why does my truck stalled when I push the accelerator it started happening all of a sudden one night when I was driving home had to have the truck towed home

In a dual battery system, which is primary? The one next to the starter? (1 answer)

Just picked up this truck and batteries seem a little weak on start up. Want to change one at a time, so want to change the primary first. Assuming it's the one nearest the starter, but want to confirm that and that you can do just one at a time. Thanks

My 1998 Savannah needs to be charged everyday!! (2 answers)

I have a 1998 3500 Savannah short School bus that I converted into a vending bus..I drove it for 4 years fine..Last year it started where I have to jump it everyday before I can drive it..Can anyone help me..I do NOT leave anything plugged in.

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