1991 Chevrolet 3500 Pickup Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 1991 Chevrolet 3500 Pickup
Verified by mechanics, reported by drivers like you
Ask a mechanic in our community
Never overpay. Check prices with our estimator
1991 Chevrolet 3500 Pickup ProblemsPower 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.
The inside and outside door handles are prone to breaking.
The intake manifold gasket may develop and external engine oil or coolant leak. In some cases, an internal coolant leak may occur causing coolant to mix with the engine oil. Running the engine with a coolant/oil mix may result in engine damage. Replacing the intake manifold gasket should correct this issue.
1991 Chevrolet 3500 Pickup QuestionsNo brake lights (2 answers)
Replaced the switch have followed the wires from cab to lights running down the frame cannot find any shorts that way. Any ideas on where to go now
8 bolts all have been removed but drum won't come off. help