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Heater blowing cold

Tiny
CHRISCANDO45
  • MEMBER
  • 2011 CHEVROLET IMPALA
  • 3.5L
  • V6
  • 2WD
  • AUTOMATIC
  • 80,000 MILES
My heater blows cold, even when I switch the temperature back and forth there is no change. I have checked the coolant and the hoses going to the heater core are both hot. So I wanted to know if it could be one of the actuators and if so which one and where is it located?
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Wednesday, October 17th, 2018 AT 7:56 PM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,356 POSTS
Hello,

Yep, it sounds like the temperature blend door actuator is having an issue. Here is a guide to help walk you through the repair you with the actuator location for your car below:

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

1 - HVAC Module
2 - Mode Actuator
3 - Air Temperature Actuator - Right
4 - Re-circulation Actuator
5 - Blower Motor
6 - Blower Motor Control Module
7 - Air Temperature Actuator - Left

Check out the diagrams (below). Please let us know if you need anything else to get the problem fixed.

Cheers, Ken
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Thursday, October 18th, 2018 AT 7:21 PM

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