Question about 1989 Chevrolet C1500

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Hello I have a 1989 chevy c1500 truck and when I turn the engine light does not but when heated turns on and you change the alternator and air pump and thought you might be the thermostat that all you have is old and therefore comprises light help please thanks

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  • yadayada
    yadayada Feb 17, 2012

    I am sorry I don't understand what you have going on here much less the nature of the problem. PLEASE CLARIFY.

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  • Chevrolet Master
  • 5,763 Answers

I"m not sure what the problem is, this sounds like the engine light is coming on because its overheating and you replaced the airpump and alternator and now you thinks it is the thermostat. if this is correct then yes replace the thermostat and also check the fan clutch, when engine is hot the fan should not spin freely. and last are you sure the engine light is on due to it overheating, if it is due to overheating then check fan clutch and replace the thermostant

Posted on Feb 17, 2012

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SOURCE: knock sensor for 1997 chevy C1500 Pickup Truck

Located on right hand side of block (pass side). It is between motor mount and starter.

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SOURCE: Torque Spec for '99 Chevy C1500 5.7L engine lower intake manifold

On 5.7L engines, install the bolts and torque in sequence as follows:

  1. Step 1: 71 inch lbs. (8 Nm).
  2. Step 2: 106 inch lbs. (12 Nm).
  3. Step 3: 11 ft. lbs. (15 Nm).
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SOURCE: I have a 97 Chevy c1500 5.7. misfire/run hot

Do a compression test...may be a valve issue.
Good luck, Td

Posted on Apr 05, 2010

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SOURCE: i need to know what size bolt goes in the power

If your replacing the pump you'll need to used a power steering pump pulley tool, part places like AutoZone rent these tools.

Posted on Apr 09, 2010

old marine
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SOURCE: diagram for the serpentine belt

Chevy made at least five different engines for pickups in 1989, and with a lot of accessory options. Check this link and select your pickup and engine size. When you get the listing of belts, if you see a small camera icon in the left column, click on it and you will see the diagram of the routing.

Posted on May 27, 2010

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