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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1668 (HVAC Systems - Automatic) >> Repair Instructions >> Aspirator Replacement >> Removal Procedure

Removal 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. Remove the instrument panel trim pad. Refer to TRIM PAD REPLACEMENT - INSTRUMENT PANEL (I/P) in Instrument Panel, Gages and Console.
  2. Remove the passenger side SIR inflator module. Refer to Inflatable Restraint Instrument Panel Module Replacement in Air Bag Restraints System.
  3. Remove the brake pedal. Refer to Brake Pedal Assembly Replacement in Disc & Drum.
  4. Remove the bolts from the steering column support bracket and remove the bracket.
  5. Remove the screws from the right and left side air distribution ducts.
    Fig 1: Removing Air Distribution Ducts & Retaining Screws
    G01569049Courtesy of GENERAL MOTORS CORP.
  6. Remove the air distribution ducts.
  7. Remove the bolts from the relay bracket and position the relay bracket aside.
    Fig 2: Removing Bolts From Relay Bracket And Position Relay Bracket Aside
    G01569050Courtesy of GENERAL MOTORS CORP.
  8. Remove the bolts from the BCM bracket and position the BCM bracket aside.
    Fig 3: Removing BCM Bracket
    G01569051Courtesy of GENERAL MOTORS CORP.
  9. Release the wiring harness retaining clips from the cross vehicle beam and position the wiring harness aside.
  10. Remove the two screws below the fuse block that hold the main harness connector to the cross vehicle beam.
  11. Remove the bolts from the center support bracket of the HVAC module.
    Fig 4: Removing Center Support Bracket & Retaining Bolts Of HVAC Module
    G01569052Courtesy of GENERAL MOTORS CORP.
  12. Remove the center support bracket of the HVAC module.
  13. Remove the bolts from the upper support brackets of the HVAC module.
    Fig 5: Removing Bolts From Upper Support Brackets Of HVAC Module
    G01569053Courtesy of GENERAL MOTORS CORP.
  14. Remove the bolts which secure the left cross vehicle beam to the hinge pillar.
    Fig 6: View Of Bolts Which Secure Left Cross Vehicle Beam To Hinge Pillar
    G01569054Courtesy of GENERAL MOTORS CORP.
  15. Remove the bolts which secure the right cross vehicle beam to the hinge pillar.
    Fig 7: Locating Bolts Which Secure Right Cross Vehicle Beam To Hinge Pillar
    G01569055Courtesy of GENERAL MOTORS CORP.
  16. Remove the bolt (1) from the cross vehicle beam.
    Fig 8: Removing Cross Vehicle Beam & Mounting Bolt From Vehicle
    G01569056Courtesy of GENERAL MOTORS CORP.
  17. Remove the cross vehicle beam from the vehicle.
  18. Remove the retaining screws (1) from the air distribution case cover.
    Fig 9: Identifying Air Distribution Case Cover Retaining Screws
    G01569057Courtesy of GENERAL MOTORS CORP.
  19. Remove the air distribution case cover (2).
  20. Pull the aspirator up and out of the HVAC module assembly.
  21. Remove the aspirator hose from the aspirator.
    Fig 10: Removing Aspirator & Hose From HVAC Module Case
    G01569058Courtesy of GENERAL MOTORS CORP.
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