Front heat does not work but rear heat does?

Tiny
GUTHRIE87
  • MEMBER
  • 2005 CADILLAC ESCALADE
  • 5.3L
  • V8
  • 2WD
  • AUTOMATIC
  • 90,500 MILES
I have changed the blower motor, blower motor resistor and checked fuses but I get no heat from the front. Only the rear heat will blow. Any ideas?

Thank you
Wednesday, December 21st, 2022 AT 4:01 PM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 51,561 POSTS
So, when you say heat do you mean air does not blow or the air blows but it is not warm? If the air is not warm I would change out the temperature blend door actuator which this guide can show you. Check out the images below for your car.

https://www.2carpros.com/articles/replace-blend-door-motor

this guide can help as well

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

If it is the blower motor not working here is the blower motor wiring diagrams so you can see how it works. Check out the images (below). Let us know if you need anything else.
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Thursday, December 22nd, 2022 AT 5:30 PM

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