# 2008 Chevrolet Equinox heater blows cold

**URL:** <https://community.cartalk.com/t/2008-chevrolet-equinox-heater-blows-cold/132417>\
**Category:** Maintenance/Repairs\
**Tags:** chevrolet, equinox\
**Created:** [January 11, 2019, 12:20am UTC](https://community.cartalk.com/t/2008-chevrolet-equinox-heater-blows-cold/132417 "2019-01-11T00:20:15Z")\
**Posts on this page:** 6\
**Page:** 1

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**Author:** ![CarolynDavis](https://avatars.discourse-cdn.com/v4/letter/c/71c47a/32.png) [@CarolynDavis](https://community.cartalk.com/u/CarolynDavis)\
**Post date:** [January 11, 2019, 12:20am UTC](https://community.cartalk.com/t/2008-chevrolet-equinox-heater-blows-cold/132417/1 "2019-01-11T00:20:15Z")

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Heater is blowing cold air

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**Author:** ![Mustangman](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/mustangman/32/44130_2.png) [@Mustangman](https://community.cartalk.com/u/Mustangman)\
**Post date:** [January 11, 2019, 12:29am UTC](https://community.cartalk.com/t/2008-chevrolet-equinox-heater-blows-cold/132417/2 "2019-01-11T00:29:25Z")

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Likley broken blend door actuator, or air bubble in the cooling system, or clogged heater core, or a bunch of other possible things… considering you told us virtually nothing about your car.

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**Author:** ![CarolynDavis](https://avatars.discourse-cdn.com/v4/letter/c/71c47a/32.png) [@CarolynDavis](https://community.cartalk.com/u/CarolynDavis)\
**Post date:** [January 11, 2019, 3:42am UTC](https://community.cartalk.com/t/2008-chevrolet-equinox-heater-blows-cold/132417/3 "2019-01-11T03:42:28Z")

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We have had the car a short time. It Drove smoothly until we  
tried to use the heater. At first cold air was blowing. Next the heat  
came on. Next the car had messages,including check engine,and engine is heating  
and will operate at a lower power. We took it to AAA service center. They tested it and  
told us the Head gasket is needing to be replaced. Their policy is to only replace the motor  
because the car has 123000 miles. A second service center did not find a problem with thhe  
head gasket. They added a new battery and added coolent two mechanics test drove it and said  
they see no problem with it. We have it at home and the heater isn’t working.

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**Author:** ![TenB33R5](https://avatars.discourse-cdn.com/v4/letter/t/b77776/32.png) [@TenB33R5](https://community.cartalk.com/u/TenB33R5)\
**Post date:** [January 11, 2019, 4:27am UTC](https://community.cartalk.com/t/2008-chevrolet-equinox-heater-blows-cold/132417/4 "2019-01-11T04:27:41Z")

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Both of the places you took your car to sound like either crooks or morons… Firstly a blown head gasket does not usually mean replace the engine… unless, perhaps the cost of replacing the head gasket would be equal to or greater than the cost of replacing the engine. The second guys replaced the battery??? Why?? There was seemingly no issues with the starting/charging system from what you’ve said. I’d say use Cartalk’s mechanics data base to hopefully find a honest independent mechanic in your area to have the car looked at. It literally could be a $50 -150 no big deal fix or it could be a $1500 repair. But either way you need a honest trusted mechanic to properly diagnose the issue.  
Good luck…

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**Author:** ![Nevada\_545](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/nevada_545/32/41232_2.png) [@Nevada\_545](https://community.cartalk.com/u/Nevada_545)\
**Post date:** [January 11, 2019, 4:39am UTC](https://community.cartalk.com/t/2008-chevrolet-equinox-heater-blows-cold/132417/5 "2019-01-11T04:39:48Z")

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> [@CarolynDavis](#):
>
> and added coolent two mechanics test drove it and said  
> they see no problem with it. We have it at home and the heater isn’t working.

Has all of the coolant leaked out again?

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**Author:** ![Cavell](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/cavell/32/43396_2.png) [@Cavell](https://community.cartalk.com/u/Cavell)\
**Post date:** [January 12, 2019, 4:35pm UTC](https://community.cartalk.com/t/2008-chevrolet-equinox-heater-blows-cold/132417/6 "2019-01-12T16:35:49Z")

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gm 3400 has plastic intake manifold gaskets with rubber seals. anytime you pull intake and see a metal support/intake gasket you know it has been changed. the head gaskets do fail. i changed mine a few months back. but i bought the nox with that issue. not like i paid retail and it failed the next week. my motor had steel intake gaskets but bad head gaskets.  
if motor has not run long with a coolant/oil contamination issue than i might go for new headgaskets. but, thats a tough call  
but, you might only need intake gaskets  
i had coolant bubbling in overflow tank. pretty good clue
