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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1008 (Heating, Ventilation And Air Conditioning - Gas) >> Repair Instructions >> Air Temperature Door Replacement - Left (Visteon) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 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).
    Fig 1: Installing HVAC Module Chamber Plate To Lower HVAC Module Case (Visteon)
    GM826795Courtesy of GENERAL MOTORS CORP.
  2. Install the HVAC module chamber plate (1) to the lower HVAC module case (3).
  3. Install the upper HVAC module case (1) to the lower HVAC module case (2).
    4. 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.
  6. Install the lower recirulation housing (1) to the HVAC module (2).
    Fig 2: Upper HVAC Module Case And Lower HVAC Module Case
    GM826698Courtesy of GENERAL MOTORS CORP.
  7. Install the screws to the lower recirulation housing (1).
    Fig 3: View Of Upper And Lower Recirulation Housing
    GM826723Courtesy of GENERAL MOTORS CORP.

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

  8. Install the upper recirulation housing (1) to the HVAC module (2).
    9. Fig 4: View Of Upper Recirculation Housing And HVAC Module Assembly
    GM826727Courtesy of GENERAL MOTORS CORP.
  9. Install the screws to the upper recirulation housing (1).

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

    10. Fig 5: Removing/Installing Air Distribution Housing (Visteon)
    GM826798Courtesy 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).
  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. Fig 6: View Of Mode Actuator
    GM826791Courtesy of GENERAL MOTORS CORP.
  15. Connect the electrical connector (3) to the mode actuator (4).
  16. Install the HVAC module. Refer to HVAC Module Assembly Replacement .
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