Wednesday, March 21, 2012

Blend Door Actuator Removal for Chevrolet Trailblazer, GM Envoy and Buick Rainer?

The Procedure is Exactly Similar for Chevy,Envoy & Buick car models.


Blend Door Actuator
RECALIBRATING ACTUATORS
REMOVAL & INSTALLATION

Details are as follows:----


Recalibrating Actuators



When replacing the auxiliary HVAC control module it will be necessary to allow the auxiliary HVAC control module to perform a calibration process. When installing the auxiliary HVAC control module be sure to perform the following:
  1. Place the ignition switch to the OFF position.
  2. Disconnect the scan tool.
  3. Install the auxiliary HVAC control module.
  4. Connect all previously disconnected components.
  5. Place the ignition switch in the RUN position.
  6. Wait 40 seconds for the auxiliary HVAC control module to self-calibrate.
  7. Verify that no DTCs have set as current DTCs.
When replacing an auxiliary HVAC actuator it will be necessary to allow the auxiliary HVAC control module to perform a calibration process. When installing the auxiliary HVAC actuator be sure to perform one of the following:

NOTE
Auxiliary HVAC blower operation is disabled during the re-calibration process.

Alternate Method (W/O Scan Tool)
  1. Clear all DTCs.
  2. Place the ignition switch to the OFF position.
  3. Install the auxiliary HVAC actuator.
  4. Connect all previously disconnected components.
  5. Remove the HVAC B fuse for a minimum of 10 seconds.
  6. Install the HVAC B fuse.
  7. Place the ignition switch in the RUN position.
  8. Wait 40 seconds for the auxiliary HVAC control module to self-calibrate.
  9. Verify that no DTCs have set as current DTCs.
Preferred Method (W/ Scan Tool)
  1. Clear all DTCs.
  2. Place the ignition switch in the OFF position.
  3. Install the auxiliary HVAC actuator.
  4. Connect all previously disconnected components.
  5. Place the ignition switch in the RUN position.
  6. With the scan tool, initiate the HVAC Actuator Recal. feature of the RHVAC/RSA module Special Functions menu.
  7. Verify that no DTCs have set as current DTCs.

Removal & Installation



  1. Remove the right rear quarter trim panel.
  2. Disconnect the electrical connector from the mode actuator-auxiliary.
  3. Remove the mode actuator-auxiliary from the HVAC module-auxiliary.
  4. Remove the retaining screws from the mode actuator-auxiliary.
To install:
  1. Install the mode actuator to the HVAC module-auxiliary.
  2. Install the screws to the mode actuator-auxiliary. Tighten the screws to 17 inch lbs. (1.9 Nm).
  3. Connect the electrical connector to the mode actuator-auxiliary (1).
  4. Install the right rear quarter trim panel.
  5. Calibrate the HVAC module actuators.

These details will help.
Thanks.

FOR MORE HELP GO TO: ---

Car repair guide?

http://technoanswers.blogspot.in/2012/03/car-repair-guide.html





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