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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1177 (HVAC Systems - Automatic) >> Repair Instructions >> Air Temperature Actuator Replacement - Right >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2003 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
  1. Position the air temperature actuator, then align the slots in the actuator driver to the flats on the RH temperature door shaft.
    Fig 1: Installing Air Temperature Actuator
    G01418997Courtesy of GENERAL MOTORS CORP.
  2. Slide the air temperature actuator onto the shaft, while aligning the actuator locating hole to the forward alignment pin on the HVAC module case.

    The actuator should be completely seated onto the temperature door shaft and the actuator mounting holes should be flush with the mounting bosses on the HVAC module case.

    NOTE: Refer to FASTENER NOTICE .
  3. Install the air temperature actuator retaining screws.

    Tighten 

    Tighten the screws to 1.5 N.m (13 lb in).

  4. Connect the air temperature actuator electrical connector.
    Fig 2: Connecting Air Temperature Actuator Electrical Connector
    G01418998Courtesy of GENERAL MOTORS CORP.
  5. Position the floor air outlet duct to the HVAC module case.
  6. Install the floor air outlet duct retaining screws.

    Tighten 

    Tighten the screws to 1.6 N.m (14 lb in).

    Fig 3: Installing Floor Air Outlet Duct
    G01418999Courtesy of GENERAL MOTORS CORP.
  7. Install the lower half of the RH floor air outlet duct. Align the retaining tabs and snap into place.
  8. Install the IP lower insulator panel - RH. Refer to CLOSEOUT/INSULATOR PANEL REPLACEMENT - RIGHT in Instrument Panel, Gages and Console.
  9. Install the defroster door actuator.
    Fig 4: Installing Defroster Door Actuator
    G01419000Courtesy of GENERAL MOTORS CORP.
  10. Position and connect the RH side window defogger outlet duct - lower to the windshield defroster duct.
  11. Install the I/P upper trim pad. Refer to TRIM PAD REPLACEMENT - INSTRUMENT PANEL (I/P) UPPER in Instrument Panel, Gages and Console.
  12. Install the cover to the IP electrical center.
  13. Install the front floor kick-up panel. Refer to KICK-UP PANEL REPLACEMENT - FRONT FLOOR in Interior Trim.
  14. Recalibrate the actuators. Refer to RE-CALIBRATING ACTUATORS  .
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