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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 840 (Heating, Ventilation And Air Conditioning) >> Repair Instructions >> Air Temperature Door Replacement - Left (Visteon) >> Installation Procedure

Installation Procedure

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  1. Install the left temperature door (2) to the lower HVAC module case (3).
  2. Install the HVAC module chamber plate (1) to the lower HVAC module case (3).
    Fig 1: Installing Left Temperature Door From Lower HVAC Module Case
    G01454373Courtesy of GENERAL MOTORS CORP.
  3. Install the upper HVAC module case (1) to the lower HVAC module case (2).
    NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
  4. Install the screws to the HVAC module.

    Tighten 

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

  5. Install the wiring harness to the HVAC module.
    Fig 2: Installing Upper HVAC Module Case To Lower HVAC Module Case
    G01454374Courtesy of GENERAL MOTORS CORP.
  6. Install the lower recirculation housing (1) to the HVAC module (2).
  7. Install the screws to the lower recirculation housing (1).

    Tighten 

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

    Fig 3: Installing Lower Recirculation Housing To HVAC Module
    G01454375Courtesy of GENERAL MOTORS CORP.
  8. Install the upper recirculation housing (1) to the HVAC module (2).
  9. Install the screws to the upper recirculation housing (1).

    Tighten: 

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

    Fig 4: Installing Upper Recirculation Housing To HVAC Module
    G01454376Courtesy of GENERAL MOTORS CORP.
  10. Install the air distribution housing (1) to the HVAC module (2).
  11. Install the screws to the air distribution housing (1).

    Tighten: 

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

  12. Install the wiring harness to the air distribution housing (1).
    Fig 5: Installing Air Distribution Housing To HVAC Module
    G01454377Courtesy of GENERAL MOTORS CORP.
  13. Install the mode actuator (4) to the HVAC module (1).
  14. Install the screws to the mode actuator (4).

    Tighten: 

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

  15. Connect the electrical connector (3) to the mode actuator (4).
  16. Install the HVAC module. Refer to HVAC MODULE ASSEMBLY REPLACEMENT  .
    Fig 6: Connecting Electrical Connector To Mode Actuator
    G01454378Courtesy of GENERAL MOTORS CORP.
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