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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1482 (Heating, Ventilation And Air Conditioning) >> Repair Instructions >> HVAC Module Case Replacement - Auxiliary >> Installation Procedure

Installation Procedure

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  1. Transfer the air temperature door (14) to the HVAC module-auxiliary case half (2).
  2. Transfer the mode door (15) to the HVAC module-auxiliary case half (2).
  3. Assemble the HVAC module-auxiliary case halves (2,13).
    NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
  4. Install all of the screws to the HVAC module-auxiliary.

    Tighten 

    Tighten the screws to 2 N.m (18 lb in).

  5. Install the mode actuator-auxiliary.
  6. Install the mode actuator-auxiliary screws.

    Tighten 

    Tighten the screws to 2 N.m (18 lb in).

    Fig 1: Installing Mode Door And Air Temperature Door To HVAC Module-Auxiliary Case Half
    G01596683Courtesy of GENERAL MOTORS CORP.
  7. Install the air temperature actuator-auxiliary.
  8. Install the air temperature actuator-auxiliary screws.

    Tighten 

    Tighten the screws to 2 N.m (18 lb in).

  9. Install the evaporator core-auxiliary. Refer to EVAPORATOR CORE REPLACEMENT - AUXILIARY .
  10. Install the blower motor-auxiliary.
  11. Install the blower motor-auxiliary screws.

    Tighten 

    Tighten the screws to 2 N.m (18 lb in).

  12. Install the HVAC module-auxiliary. Refer to HVAC MODULE REPLACEMENT - AUXILIARY .
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