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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1666 (Heating, Ventilation And Air Conditioning) >> Repair Instruction >> Air Outlet Replacement - Defroster >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2003 Buick Regal and 2003 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the defroster duct.
    NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
  2. Install the mounting screws.

    Tighten 

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

    Fig 1: Installing Defroster Duct & Mounting Screws
    G01568735Courtesy of GENERAL MOTORS CORP.
  3. Install the defrost distribution ducts to the cross vehicle beam. Refer to AIR OUTLET REPLACEMENT - DEFROSTER  .
  4. Install the cross vehicle beam to the vehicle.
    Fig 2: View Of Cross Vehicle Beam To Vehicle
    G01568736Courtesy of GENERAL MOTORS CORP.
  5. Install the bolts which secure the right cross vehicle beam to the hinge pillar. Tighten the bolts finger tight.
    Fig 3: Locating Bolts Which Secure Right Cross Vehicle Beam To Hinge Pillar
    G01568737Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
  6. Install the bolts which secure the left cross vehicle beam to the hinge pillar. Tighten the bolts finger tight.

    Tighten 

    Tighten the bolts to 20 N.m (15 lb ft).

    Fig 4: Identifying Bolts Which Secure Left Cross Vehicle Beam To Hinge Pillar
    G01568738Courtesy of GENERAL MOTORS CORP.
  7. Install the bolt (1) to the cross vehicle beam.

    Tighten 

    Tighten the bolt to 20 N.m (15 lb ft).

    Fig 5: Installing Bolt To Cross Vehicle Beam
    G01568739Courtesy of GENERAL MOTORS CORP.
  8. Install the bolts to the upper support brackets of the HVAC module.

    Tighten 

    Tighten the bolts to 10 N.m (89 lb in).

    Fig 6: Installing Bolts To Upper Support Brackets Of HVAC Module
    G01568740Courtesy of GENERAL MOTORS CORP.
  9. Install the center support bracket to the HVAC module.
  10. Install the bolts to the center support bracket of the HVAC module.

    Tighten 

    Tighten the bolts to 10 N.m (89 lb in).

    Fig 7: Installing Center Support Bracket & Mounting Bolts To HVAC Module
    G01568741Courtesy of GENERAL MOTORS CORP.
  11. Install the instrument panel wiring harness on to the cross vehicle beam and secure the retaining clips.
  12. Install the two screws below the fuse block that support the main wire harness connector to the cross vehicle beam.
  13. Install the BCM bracket and the bolts.

    Tighten 

    Tighten the bolts to 10 N.m (89 lb in).

    Fig 8: Installing BCM Bracket & Bolts
    G01568742Courtesy of GENERAL MOTORS CORP.
  14. Install the relay bracket and the bolts.

    Tighten 

    Tighten the bolts to 10 N.m (89 lb in).

  15. Install the air distribution ducts to the cross vehicle beam. Refer to AIR DISTRIBUTION DUCT REPLACEMENT  .
    Fig 9: Installing Relay Bracket & Bolts
    G01568743Courtesy of GENERAL MOTORS CORP.
  16. Install the support bracket for the steering column.

    Tighten 

    Tighten the nuts to 50 N.m (37 lb ft).

    Fig 10: Installing Support Bracket To Steering Column
    G01568744Courtesy of GENERAL MOTORS CORP.
  17. Install the brake pedal. Refer to BRAKE PEDAL ASSEMBLY in Disc & Drum.
  18. Install the passenger side SIR inflator module. Refer to AIR BAG MODULES in Air Bag Restraint Systems.
  19. Install the instrument panel trim pad. Refer to TRIM PAD REPLACEMENT -- INSTRUMENT PANEL (I/P) in Instrument Panel, Gages, and Console.
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