How to replace the heater core?

Tiny
SANDS ST. WILLIAMS
  • MEMBER
  • 2005 CHEVROLET IMPALA
  • 3.4L
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 155,675 MILES
Also, pictures if available as well. Thank you
Thursday, December 8th, 2022 AT 4:13 AM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
Hi,

The heater core will be removed from the interior of the vehicle. It is located under the dash. When removing it, make sure to cover the area under it to prevent coolant from getting onto the interior components.

To get you started, here is a link that explains in general how it is done. You can use this to help in the process.

https://www.2carpros.com/articles/replace-heater-core

If you look below, I provided the directions specific to your vehicle from my manual.

I hope this helps. Let me know if you have other questions and how things work out for you.

Take care,

joe

See pics below.
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Thursday, December 8th, 2022 AT 9:30 PM

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