Where is the heater core located and how to replace it?

Tiny
SBDAVIS34
  • MEMBER
  • 1993 GMC SIERRA
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 228 MILES
Hello, I was wondering where my heater core is located and how to change it out?
Monday, January 11th, 2010 AT 5:45 PM

1 Reply

Tiny
KASEKENNY
  • MECHANIC
  • 18,907 POSTS
The heater core is located in the dash, and I am going to attach the detail on how to replace this.

Here is a guide that will help with this as well since the manual is not that detailed:

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

Please run through this info and let us know what questions you have, and we can go from there. Thanks
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Saturday, November 27th, 2021 AT 1:16 PM

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