1991 Chevrolet 3500 Pickup Repair and Maintenance

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

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.

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.

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8 bolts all have been removed but drum won't come off. help

After driving for 15/20 miles the C.E.L comes on, if I stop, turn the engine OFF and then restart it, the C.E.L stays OFF for another 20/25 miles, then comes ON again...and I think I smell a "burnt" odor.
It is a Chevy 454 (on a Pinncle MH)
Thanks a bunch

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I brought this truck with 70,000 miles, I now have over 190,000 and it still works great even with it getting old.

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