Question about 2002 Chevrolet Impala

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02 impala heating up

I just put in a new radiator, thermostat, antifreeze today. I bought the pump about two months ago. When i bought the car temperature would stay about 180 now it overheats any suggestions

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  • a_marin80 Jul 29, 2009

    no heat

  • Michael Canto
    Michael Canto May 11, 2010

    Do you have heat at the dash when you turn it on?

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Have someone take a look at your lower intake manifold. I had the same problem and found out there was a leak there and had to replace the gasket, which is very common for this vehicle.

Posted on Jul 30, 2009

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#1 The radiator cap has to be checked, should be in good condition, and rated for 22lbs or less.
#2 Do you see any turburlance in the coolant/radiator when the car is warmed up and running. If not the thermostat may be installed backwards.

Posted on Jul 29, 2009

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May have blown head gasket need to a compression check

Posted on Jul 26, 2009

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Over heating i have water in the radiator do i have to put some radiator fluid in so it wont over heat?


Hi,
You need to check that the water is flowing first, with the engine cold remove the radiator cap and start the engine let it run until it gets warm, once it is warm leave it going until you can see the water flowing. If you can't see it flowing after 10-15 mins of the engine running then you will need to replace the thermostat.
If the water isn't flowing then you have a problem with the water pump and you will need to replace this.
Hope this has helped
Jason

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