20 Most Recent 1989 Chevrolet C1500 - Page 3 Questions & Answers

I'm assuming that your '89 Chevy has the C6 compressor, which utilizes teflon sleeves for the internal pistons. The teflon sleeves wear out, and the small pistons slap inside their chambers, making a sound like marbles in a can. Eventually, the compressor will seize. They're fairly expensive compressors, so brace yourself!

not sure how to do this but i have to wonder why you would want to do this.

Yes time for a new ac pump it is wore out. Sorry for the bad news but the ac pumps dont cost that much.

did you check the belt to the compressor before you started the compresor

Not very well. You really need a carb designed for 1978 and prior years.

I assumed full size truck?


1989 Chevrolet Truck Stereo Radio Wiring Diagram

Car Radio Constant 12v+ Wire: Orange
Car Radio Switched 12v+ Wire: Yellow
Car Radio Ground Wire: Black
Car Radio Illumination Wire: Gray
Left Front Speaker Positive Wire (+): Tan
Left Front Speaker Negative Wire (-): Gray
Right Front Speaker Positive Wire (+): Light Green
Right Front Speaker Negative Wire (-): Dark Green
Left Rear Speaker Positive Wire (+): Brown
Left Rear Speaker Negative Wire (-): Yellow
Right Rear Speaker Positive Wire (+): Dark Blue
Right Rear Speaker Negative Wire (-): Light Blu

It could be the sending unit, or the engine could really be loosing oil pressure. Low oil pressure can be a number of things including a weak pump, blockage at the pickup screen, or worn bearings.

Usually a sign of a problem inside the speedo cluster.

stop that car don't move it your pulley is failing .needing timing belt done .and new pulleys. with new tension-er.i think you have an interface engine .

For the clutch? Probably under the truck not the hood.

123456

cracked hose. replace.

check the small wires that plug into the outside of the dist cap. Sometimes we forget to plug those back in or one got plugged into the wrong spot. if that isn't it, let me know

not sure if this image helps, but worth a shot

the key position has nothing to do with the lights staying on. That function is controlled by the headlight switch. Make sure the wires going to it are in the correct location. Sounds to me like you have 2 wires crossed. (dimmer working backwards)

check your timing, check that your ignition pick up coil is good. also check your fuel pressure. and check for any vacuum leaks. double check your coolant temp sensor to the ecm it tells the ecm what temp it is and the ecm adjusts the fuel amount accordingly.