Front heat does not work but rear heat does?

2005 CADILLAC ESCALADE

90,500 MILES • 5.3L • V8 • 2WD • AUTOMATIC

GUTHRIE87

MEMBER
1 POST

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

Dec 21, 2022 at 4:01 PM

STRAILER

✓ASE Certified Mechanic
54,832 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.

Images (Click to enlarge)

Professional Diagram for 2CarPros Members
Click here to log in and view diagram.

Dec 22, 2022 at 5:30 PM