Chevrolet Impala Climate Control/AC/Heater

I brought this new. The switch from floor to defrost stops working. I get no air in the summer to no heat in winter.
Now for the forth time and $489.52 . I am not happy only 23k. I know I will have it back in
because they only calibrated it. Last Chevy in this household.

Replies to this message:

gmcustsvc (Feb 12, 2013 7:09 am)

#138 of 142 Re: 2009 Impala [cooper43] by gmcustsvc

Feb 12, 2013 (7:09 am)

Replying to: cooper43 (Feb 11, 2013 7:17 pm)

cooper43,

Please let us know if you ever want for us to check into anything for you! We're available via email at socialmedia

gm.com (include your name and contact information, the last 8 digits of your VIN and mileage, and a summary of the situation).

Sarah, GM Customer Service

#139 of 142 Re: 2005 Impala Heater and Temp up and down [jonesy24] by chadm0

Mar 21, 2013 (6:18 am)

Replying to: jonesy24 (Oct 08, 2012 6:12 am)

This just happened to me this morning. I've got a 2005 Imapala LS. I warmed my car up to find it was blowing cold air and the temp guage was near 3/4. When I would give it gas the temp guage would drop to normal (about 1/3) and I would get hot air. When I would coast, the guage would rise and the air would get colder. I bought this car used from a family friend who is a dealer. The car was garage kept, driven a handful of miles a week and meticulously maintained. Really surprised to have this happen.

Anyone find out what exactly makes this happen? Do I need to get it into my mechanic ASAP?

Replies to this message:

kyle3232 (Mar 21, 2013 6:48 am)
jonesy24 (Mar 21, 2013 7:30 am)

#140 of 142 Re: 2005 Impala Heater and Temp up and down [chadm0] by kyle3232

Mar 21, 2013 (6:48 am)

Replying to: chadm0 (Mar 21, 2013 6:18 am)

Check your coolant level. Sounds like there may be a problem with your water pump as well. You need to get this checked out. You do not want to have your car overheat...

#141 of 142 Re: 2005 Impala Heater and Temp up and down [chadm0] by jonesy24

Mar 21, 2013 (7:30 am)

Replying to: chadm0 (Mar 21, 2013 6:18 am)

Same thing was happening for me. It was the water pump.

#142 of 142 No heat at idle by psmechanic

Apr 03, 2013 (7:08 pm)

Hello, I work as a public safety mechanic for municipality. We are not fans of Chevrolet. We have been having heating problems with Chevrolet Impalas. It seems to only occur in cars with 3.9l engines with the Active Fuel Management system. At idle the car will lose heat. As long as the car is moving, the heat is fine. If the car sits at idle, even at a traffic light, it blows cold. We purchased many of these vehicles used, with low miles. The coolant level is fine, not a problem with the thermostat, no leaks in the system. Although, I have not checked the ECT sensor with the scan tool, according to the dash, the temp holds pretty constant. Chevrolet cannot tell us why this is happening. This is not happening with just one car. It is EVERY car with a 3.9l w/Active Fuel Management. Has anybody else run into this? Has anybody found a solution to the problem?

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