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Home >> Buick >> 2007 >> Lucerne CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 222 (Heating, Ventilation And Air Conditioning) >> Repair Instructions >> Air Temperature Door Replacement - Left >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2006 Pontiac Montana SV6, 2006 Chevrolet Uplander, and 2006 Buick Terraza. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Identifying Air Temperature Doors
    GM1548533Courtesy of GENERAL MOTORS CORP.
  1. Install the left side air temperature door (4).
    2. IMPORTANT: The actuator lever can only be inserted into the door one way.
  2. Install the left side air temperature actuator lever (3).
  3. Install the left side air temperature actuator (2).
    4. NOTE: Refer to Fastener Notice in Cautions and Notices.
  4. Install the left side air temperature actuator bolts/screws (1).

    Tighten:  Tighten the bolts/screws to 1.2 N.m (11 lb in).

    5. Fig 2: View Of HVAC Module Halves
    GM1547696Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Align the temperature sensor wire with the opening in the upper HVAC case. Improper alignment will pinch and/or cut the sensor wire.
  5. Align and install the upper module case to the lower module case.
  6. Install the lower HVAC module bolts/screws (1).

    Tighten:  Tighten the bolts/screws to 1.2 N.m (11 lb in).

    7. Fig 3: Removing/Installing Heater Core
    GM1547694Courtesy of GENERAL MOTORS CORP.
  7. Install the heater core (2).
  8. Install the heater core pipe bolt/screw (1).

    Tighten:  Tighten the bolts/screws to 1.2 N.m (11 lb in).

    9. Fig 4: View Of Heater Core Cover
    GM1547693Courtesy of GENERAL MOTORS CORP.
  9. Install the heater core cover (2).
  10. Install the heater core cover bolts/screws (1).

    Tighten:  Tighten the bolts/screws to 1.2 N.m (11 lb in).

    11. Fig 5: Identifying Outlet Duct & Screws
    GM1547644Courtesy of GENERAL MOTORS CORP.
  11. Install the heater outlet duct.
  12. Install the heater outlet duct bolts/screws.

    Tighten:  Tighten the bolts/screws to 1.2 N.m (11 lb in).

    13. Fig 6: Identifying HVAC Module To Dash Panel Sound Barrier Seal
    GM1548531Courtesy of GENERAL MOTORS CORP.
  13. Install the HVAC module to dash panel sound barrier seal (1).
    14. Fig 7: Locating HVAC Module Bolt/Screw
    GM1548543Courtesy of GENERAL MOTORS CORP.
  14. Install the upper HVAC module bolt/screw.

    Tighten:  Tighten the bolt/screw to 1.2 N.m (11 lb in).

    15. Fig 8: View Of Inlet Housing Bracket Bolts/Screws
    GM1548542Courtesy of GENERAL MOTORS CORP.
  15. Install the right side HVAC module bracket (2).
  16. Install the right side HVAC module bracket bolts/screws (1).

    Tighten:  Tighten the bolts/screws to 1.4 N.m (12 lb in).

    17. Fig 9: View Of Inlet Housing
    GM1548550Courtesy of GENERAL MOTORS CORP.
  17. Install the air inlet housing.
    18. Fig 10: Removing/Installing Air Inlet Housing Bolts/Screws
    GM1548546Courtesy of GENERAL MOTORS CORP.
  18. Install the air inlet housing bolts/screws.

    Tighten:  Tighten the bolt/screw to 1.2 N.m (11 lb in).

    19. Fig 11: Identifying Evaporator Temperature Sensor Connector
    GM1548548Courtesy of GENERAL MOTORS CORP.
  19. Install the evaporator temperature sensor connector (1) to the case.
  20. Install the HVAC module. Refer to HVAC Module Assembly Replacement .
  21. Re-calibrate the actuators. Refer to Re-Calibrating Actuators .
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