GMC 3500 Pickup Repair and Maintenance

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

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.

The inside and outside door handles are prone to breaking.

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

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Greetings and help !; I have a 1990 GMC K3500HD 4WD lifted with a 454 engine. Front brakes tend to jam and heat up when it goes into operational temperature. Already replaced calipers, pads, discs and hoses (custom because of lift). WHEN we test it, it works OK but when it gains operational tempe...

Leaking coolant under intake running down back of motor

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This year paint was not GMC's best. I have had problems with the paint peeling off in strips.Overall strong truck 7.4 454 big block. I tow a 30' toyhauler and this truck can pull.

I bought a 91 dually with 31000 original miles it runs better than my 2009 ever thought of .

I love my 3500 pu dully it is a real work truck ;I have put allot of toys in it because it paid me back it is in showroom condtion,the ony problem I have is the A?C heater control panel it sometimes blows fuses;Sometimes I feal my Steering floats,other than that ITS great I'll fix the other 2 stuff in time

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