1994 Chevrolet 3500 Pickup Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 1994 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.

The inside and outside door handles are prone to breaking.

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.

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It does not happen all the time but it is frightening when it suddenly does. I must turn off the motor to stop it. It seems to affect my transmission as well at times the motor begins to rap with tinny sound no compression and transmission does not act as though it is engaged does not smoke then....

Replaced both batteries twice in past 3 mo. Please help cure thus madness.

brakes fine going forward; in reverse spongy and to the floor with no brake pedal & no brake.

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I also got mine used with close to 70,000 miles on it, have owned it now for close to 8 years and may never get rid of it! I did replace the stock transmission with a 700r4 overdrive that gave me a whopping extra 7 mpg in the city, and raised the top speed of the truck to well over 150 mph!

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