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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1909 (Heating, Ventilation, And Air Conditioning) >> Repair Instructions >> Defroster Door Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Defroster Door
    GM1648507Courtesy of GENERAL MOTORS CORP.
  1. Install the defroster door to the evaporator case assembly.
    2. Fig 2: View Of Evaporator Case Halves
    GM1646791Courtesy of GENERAL MOTORS CORP.
  2. Assemble the evaporator case halves.
    3. CAUTION: Refer to Fastener Caution .
  3. Install the screws to retain the evaporator case halves.

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

    4. Fig 3: View Of Mode Cam Bracket, Mode Cam & Mode Cam Levers
    GM1646798Courtesy of GENERAL MOTORS CORP.
  4. Install the mode cam levers (3) to the evaporator case assembly.
  5. Align and install the mode cam (2) to the mode cam levers (3). Rotate the mode cam (2) to verify mode door operation.
  6. Install the mode cam bracket (1) to the evaporator case assembly.
  7. Install the mode cam bracket screws to the evaporator case assembly.

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

    8. Fig 4: View Of Mode Actuator
    GM1646796Courtesy of GENERAL MOTORS CORP.
  8. Install the mode actuator to the evaporator case assembly.
  9. Install the mode actuator screws to the evaporator case assembly.

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

  10. Install the evaporator case assembly. Refer to Air Conditioning (A/C) Evaporator Case Assembly Replacement .
  11. Install the HVAC module. Refer to Air Conditioning and Heater Module Assembly Replacement .
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