1991 GMC 3500 Pickup Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 1991 GMC 3500 Pickup

1991 GMC 3500 Pickup
$248 to $375
1991 GMC 3500 Pickup
$278 to $382
1991 GMC 3500 Pickup
$338 to $686
1991 GMC 3500 Pickup
$218 to $410

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

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