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Tim West
Tim West, ASE Certified Technician
Category: Chevy
Satisfied Customers: 4638
Experience:  ASE Certified Service manager of Firestone
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2005 suburban: the driver side a/c temp control..blow cold

Customer Question

hello i have a 2005 suburban that the driver side a/c temp control does nothing but blow cold air.. the passenger temp control works fine any ideas thanks
Submitted: 4 years ago.
Category: Chevy
Expert:  Tim West replied 4 years ago.
Thanks for visiting Just Answer,
Let's try resetting it.

1. Recalibrate the temperature actuators.

2. Make sure both the driver's and passenger side actuators are near the middle position.

3. Remove the HVAC/ECAS fuse for a minimum of 10 seconds.

4. Install the HVAC/ECAS fuse.

5. Start the vehicle and wait 40 seconds for the HVAC control module to self-calibrate.

6. Verify that no DTCs have set as current DTCs.
Customer: replied 4 years ago.
that didn't work
Expert:  Tim West replied 4 years ago.
Thanks for trying, let's move on,
The problem is more than likely with the drivers side temperature actuator.

AIR TEMPERATURE ACTUATOR REPLACEMENT - LEFT

REMOVAL PROCEDURE

  1. Remove the I/P insulator panel.


  1. Disconnect the electrical connector (1) from the left air temperature actuator (2).
  2. Remove the screws from the left air temperature actuator (2).
  3. Remove the left air temperature actuator (2) from the HVAC module assembly (3).

INSTALLATION PROCEDURE


  1. Install the left air temperature actuator (2) to the HVAC module assembly (3).
  2. Install the screws to the left air temperature actuator (2). NOTE: Refer to Fastener Notice in Service Precautions. Tighten the screws to 2 N.m (18 lb ft).
  3. Install the electrical connector (1) to the left air temperature actuator (2).
  4. Install the I/P insulator panel.
  5. Reprogram the left air temperature actuator. Refer to Re-Calibrating Actuators.
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Tim West
Tim West
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ASE Certified Service manager of Firestone