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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1233 (Heating, Ventilation And Air Conditioning) >> Repair Instructions >> Vent Door Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2003 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the vent door (1) to the HVAC module assembly.
    Fig 1: Installing Vent Door
    G01482205Courtesy of GENERAL MOTORS CORP.
  2. Install the heater core cover.
    NOTE: Refer to FASTENER NOTICE .
  3. Install the heater core cover screws.

    Tighten 

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

    Fig 2: Installing Heater Core Cover
    G01482206Courtesy of GENERAL MOTORS CORP.
  4. Install the heater core outlet cover.
  5. Install the screws to the heater core outlet cover.

    Tighten 

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

  6. Install the HVAC vacuum harness bracket.
  7. Install the screws to the HVAC vacuum harness bracket.

    Tighten 

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

  8. Connect the defroster/vent door link at the vent door on the left side of the HVAC module assembly.
    Fig 3: Installing Heater Core Outlet Cover
    G01482207Courtesy of GENERAL MOTORS CORP.
  9. Connect the rear floor air outlet duct to the heater core outlet cover.
  10. Install the rear floor air outlet duct (1) to the holes in the floor reinforcement.
  11. Install the floor carpet. Refer to CARPET REPLACEMENT - FRONT .
  12. Install the vacuum tank. Refer to VACUUM TANK REPLACEMENT .
Fig 4: Installing Rear Floor Air Outlet Duct
G01482208Courtesy of GENERAL MOTORS CORP.
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