Question about 2004 Chevrolet Impala

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Heating problem I have an 04 impala with dual climate zones. The zone on the passenger side works well blowing heat or cold but the zone on the drivers side just blows cold air, no heat. Any idea what could be the problem? Email me at rednecdjr@yahoo.ca with your ideas. Thanks.

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  • Anonymous Aug 12, 2008

    Same problem, changed thermostat and flushed heater core out

  • Anonymous Oct 05, 2008

    I have the same problem. The solution does not make sense to me. If one zone works it cannot be the thermostat.

  • Anonymous Oct 25, 2008

    This seems to be popular in the Impalas, passenger side heat working but driver side not. Could it be the actuator or control head?

  • Davidnjenn Nov 13, 2008

    i have the same problem but mine is an 05 impala i was told by a few people that it was the control head so i just purchased a control unit from ebey for $40.00 if that fixes it i will write back and let you know

  • Anonymous Dec 29, 2008

    My 2004 Impala has same problem - Driver's side. Passenger side H & A works fine. When I took it to Dealer for estimate the girl told me $300 for the unit. Thought I could get by letting the passenger side heat the whole car, but gotta have defrost on the driver's side. Hoping to take this printout and go to dealership in next town. Thank you.

  • Anonymous Mar 14, 2014

    the heated seat on 2002 impala quit working. now my wife's **** gets cold. can someone help me with a solution?

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My car is now fixed i bought an accuator from the dealer for around 54 dollars and replaced the driver side accuator by removing the panel below the steering wheel moved all the wires out of the way and it was held on by two screws( .5mm) took around 30- 45 mins. and now the heat is cranking on both sides the dealer said that it is a very common problem in these cars to bad gm is to cheap to put out a recall

Posted on Dec 19, 2008

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If my heater is not heating up in the morning when the car is setting idol for 15mins. What could be wrong, do I need to replace my thermostat. When I am driving the heater is working fine. I have put more antifreeze to the full cold mark. Is that to much, will it cause problems being to full.

Posted on Dec 03, 2008

  • magancook Jan 02, 2011

    Mine is doing the same thing. How did u resolve this?

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Disconnect postive cable of battery,wait few mins then reconnect,heat started working again on drivers side.

Posted on Nov 18, 2008

There are 2 seperate little electric switches on back of the heater panel,when you slide the temp. lever it send a signal and switch rotates turning a rod that moves the heater door open or closed.Just went thru this with mine part is $53 and 1 hr. garage time to change.Works fine now.

Posted on Sep 13, 2008

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