Question about 2001 Chevrolet Impala

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2001 Chevy Impala

I have a 2001 chevy impala that overheats. The fan won't kick in when the car is getting hot. I changed the sensor and the thermostat still nothing. I know the fans work because if I unplug the plug that goes into the sensor the fans kick in. Something isn't telling the fans to kick in when the car is getting hot any ideas?

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  • 3 more comments 
  • acambridge Jul 05, 2010

    Thanks I will definitely try that first. How do you bleed out the cooling system?

  • acambridge Jul 05, 2010

    Great thanks alot

  • acambridge Jul 05, 2010

    Also the air conditioner doesn't blow cold will this be a problem?

  • acambridge Jul 05, 2010

    Actually the compressor isn't even kicking in

  • acambridge Jul 13, 2010

    Roniecon,

    When you bleed out the cooling system how many times do you need to do it? I tried it and the fans still do not want to come on. I got lots of air out of them though. You bleed them with the car running right?

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  • Chevrolet Master
  • 6,826 Answers

If you have done this already,then bleed the cooling system,this is all you lack,just get the air out of the system,two bleed ports,one on the thermostat housing,and one on the engine near the water pump,just bleed them out as the car warms up,the thermostat bleeder last,if this was at all helpful,please rate,thank you.

Posted on Jul 05, 2010

Testimonial: "Great thanks for the info."

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  • Ronny Bennett Sr.
    Ronny Bennett Sr. Jul 05, 2010

    If you have done this already,then bleed the cooling system,this is all you lack,just get the air out of the system,two bleed ports,one on the thermostat housing,and one on the engine near the water pump,just bleed them out as the car warms up,the thermostat bleeder last,if this was at all helpful,please rate,thank you.






    Add coolant to radiator,and open bleeder near water pump,until the fluid comes out pure coolant,no air,then close it,and open the other bleeder,and do the same,then refill the radiator,and the reservoir,put the top on the radiator,and run engine,no ac on,and let it get warm,and bleed again,then a little warmer,and bleed again,this should do it for you.

  • Ronny Bennett Sr.
    Ronny Bennett Sr. Jul 05, 2010

    You are welcome,please rate,I thank you again.

  • Ronny Bennett Sr.
    Ronny Bennett Sr. Jul 05, 2010

    It most likely needs freon,does the cooling fans come on when the ac compressor comes on?I am sure they do,if the compressor is coming on.

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Posted on Jan 02, 2017

melvi_99
  • 387 Answers

SOURCE: 2005 chevy impala overheats sometimes. Replaced

check your aux fan if it is working good, clean radiator, check water pump

Posted on Jun 20, 2010

roniecon
  • 6826 Answers

SOURCE: 2001 Chevy Impala code P0118 what does this mean?

The coolant sensor is bad,change it out,and bleed the air out of the cooling system,the cooling fans should come on on there own,and go off on there own,this is with the ac off.When the cooling fans do this,then it is cooling down correctly.If this was helpful,please rate,by the way,the overheating is most likely from the cooling fans not coming on,this is the reason,thank you,and please rate.

Posted on Jul 04, 2010

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