1990 Chevrolet 1500 Pickup Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 1990 Chevrolet 1500 Pickup

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1990 Chevrolet 1500 Pickup Problems

Highter Than Normal Idle Due to Vacuum Leak

The throttle body gasket may develop a vacuum leak which may result in a higher than normal engine idle. Failed gaskets will require replacement.

Improper HVAC Temperature and/or Air Delivery Due to Failed Mode Door Actuator

One or more heater & AC (HVAC) air delivery and/or temperature mode door actuator may fail. This can result in incorrect air delivery or temperature. If this occurs, fault code(s) stored in the HVAC control module should be available to assist with diagnoses.

Intake Manifold Gasket May Leak Coolant or Engine Oil

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. Our technicians tell us that operating the engine  with a coolant/oil mix can result in internal engine damage. Replacing the intake manifold gasket should correct these leaks.

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1990 Chevrolet 1500 Pickup Questions

My brake lights stay on. I changed the brake switch. didn't help. What do I do? (1 answer)

i have code #32 & code #54 will replaceing my egr fix my issue (1 answer)

it runs rough at low rpms but its ok at higher rpms

Could my starter cause this problem (1 answer)

1990 Chevy 1500 4.3 V6 Kept having to get a jump to start it so I replaced the battery and after a few days it started needing a jump again to start it so I took the positive off the battery while the truck was running to see if it was the alternator and the truck stayed running with the positiv...

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1990 Chevrolet 1500 Pickup Reviews

I have just bought a 1990 Black chevy Silverado 1500 with just under 100,000. I was very Blessed to have bought it from the Original owner who had all the paperwork of when he changed the plugs and the oil, filters you name it and he had it in the folder. The truck is very clean. Did have to put new exhaust and Added a nice Dixie Air Horn to top things off. Right now I am worried about the A/C ...

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