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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1319 (Heating, Ventilation & Air Conditioning) >> Repair Instructions >> Mode Door Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2002 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect the battery negative cable. Refer to BATTERY NEGATIVE CABLE DISCONNECT/CONNECT PROCEDURE .
  2. Remove the instrument panel (IP) trim pad. Refer to TRIM PAD REPLACEMENT -- IP .
  3. Remove the passenger side SIR inflator module. Refer to REMOVAL & INSTALLATION (PASSENGER-SIDE) .
  4. Remove the screws from the right and left side air distribution ducts.
  5. Remove the air distribution ducts.
    Fig 1: Right & Left Air Distribution Ducts & Screws
    G01672823Courtesy of GENERAL MOTORS CORP.
  6. Unclip the fuse block and position aside.
  7. Remove the two screws below the fuse block that hold the main wire harness connector to the cross car beam.
  8. Remove the brake pedal. Refer to BRAKE PEDAL ASSEMBLY .
  9. Remove the bolts from the steering column support bracket and remove the bracket.
    Fig 2: Fuse Block
    G01672824Courtesy of GENERAL MOTORS CORP.
  10. Remove the retaining bolts and position the BCM bracket aside.
  11. Release the wiring harness retaining clips from the cross vehicle beam and position the IP wiring harness out of the way.
    Fig 3: BCM Bracket & Retaining Bolts
    G01672825Courtesy of GENERAL MOTORS CORP.
  12. Remove the bolts from the center support bracket of the HVAC module.
  13. Remove the center support bracket of the HVAC module.
    Fig 4: HVAC Module Center Support Bracket & Bolts
    G01672826Courtesy of GENERAL MOTORS CORP.
  14. Remove the retaining bolts from the upper support brackets of the HVAC module.
    Fig 5: HVAC Module Upper Support Brackets & Bolts
    G01672827Courtesy of GENERAL MOTORS CORP.
  15. Remove the bolts which secure the left cross vehicle beam to the hinge pillar.
    Fig 6: Left Cross Vehicle Beam Bolts
    G01672828Courtesy of GENERAL MOTORS CORP.
  16. Remove the bolts which secure the right cross vehicle beam to the hinge pillar.
    Fig 7: Right Cross Vehicle Beam & Bolts
    G01672829Courtesy of GENERAL MOTORS CORP.
  17. Remove the bolt (1) from the cross vehicle beam.
  18. Remove the cross vehicle beam from the vehicle.
    Fig 8: Cross Vehicle Beam & Bolt
    G01672830Courtesy of GENERAL MOTORS CORP.
  19. Disconnect the vacuum lines from the mode actuator.
  20. Lift the lock tab up (1) to remove the actuator.
  21. Remove the mode actuator off the slides of the HVAC module assembly.
  22. Disconnect the actuator pushrod from the mode door lever and remove the actuator.
    Fig 9: Actuator & Lock Tab
    G01672831Courtesy of GENERAL MOTORS CORP.
  23. Remove the retaining screws (1) from the air distribution case cover.
  24. Remove the air distribution case cover (2).
    Fig 10: Air Distribution Case Cover & Retaining Screws
    G01672832Courtesy of GENERAL MOTORS CORP.
  25. Remove the mode door (2).
    Fig 11: Mode Door
    G01672833Courtesy of GENERAL MOTORS CORP.
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