When I come to a stop the heater goes to cool?

Tiny
JASMINEMB2002
  • MEMBER
  • 2008 CHEVROLET EQUINOX
  • 3.4L
  • V6
  • 4WD
  • AUTOMATIC
  • 172,000 MILES
Recently got the heater core replaced in my vehicle listed above (LT) a couple of days ago. And the heat works great when I am driving but when I come to a stop it goes to cool. The coolant reservoir is also full. Any suggestions?
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Sunday, February 19th, 2023 AT 12:20 PM

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Tiny
KEN L
  • ADMIN
Hello,

It sounds like you have air stuck inside the core, I would start the engine and allow it to get warm, then turn the heater on full hot and high fan speed, then jack the rear of the car up.

This guide can help:

https://www.2carpros.com/articles/jack-up-and-lift-your-car-safely

This should push the air out of the system, you can also jack up the front of the car after the rear as well, the idea is to help the air purge from the heater core.

Please check out this guide as well:

https://www.2carpros.com/articles/car-heater-not-working

Please go over these guides and report back.
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Monday, February 20th, 2023 AT 11:18 AM

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