Question about 1992 Chevrolet Caprice

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Temperature problem Good day The engine got hight tempreture during traffic in summer time and the AC on- the thermostate is new one- ignition timing is 8 degree- the radiator is new one- firing ignition is ok ... please solve the problem and inform me please... kind regards Najem

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  • Expert
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Be sure fancover (both sides) are fine. Change termostat located just down the return connector of the radiator hose

Posted on Oct 28, 2009

  • Jose Morillo Oct 28, 2009

    new one termostad must be bad

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Make sure you have 50/50 mix antifreeze, it will still run hot if you have 100% antifreeze. As the antifreeze get's hot, it turns in to gel and the flow slows down and the heat exchange will be reduced. Water is great in transferring heat but it will boil over so antifreeze is added to keep it from boiling over, so a 50/50 (water/antifreeze) mix is used. You can go a bit higher with the antifreeze but try not too and in the winter you can go 40/60 (water/antifreeze) if your in really cold climate area. The other thing to is do you have electric radiator fans?? Think you do, make sure it's working. When you turn on your A/C the radiator fan should come one and also when the temperature  gauge hits 180 - 195 degrees the fan should come on too. If not check the fuse, relay's and wire harness to the fan. Good luck and hope this helps.

Posted on Jun 23, 2009

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