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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1602 (Heating, Ventilation And Air Conditioning) >> Repair Instructions >> Air Temperature Door Replacement - Left (Visteon) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  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: Install Left Temperature Door & HVAC Module Chamber Plate To Lower HVAC Module Case
    G01479130Courtesy of GENERAL MOTORS CORP.
  3. Install the upper HVAC module case (1) to the lower HVAC module case (2).
    NOTE: Refer to FASTENER NOTICE .
  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: Install Upper HVAC Module Case To Lower HVAC Module Case
    G01479131Courtesy 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: Install Lower Recirculation Housing To HVAC Module
    G01479132Courtesy 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: Install Upper Recirculation Housing To HVAC Module
    G01479133Courtesy 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: Install Air Distribution Housing To HVAC Module
    G01479134Courtesy 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: Electrical Connector, Mode Actuator & HVAC Module
    G01479135Courtesy of GENERAL MOTORS CORP.
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