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Home >> Pontiac >> 2004 >> Aztek Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 58 (HVAC Systems - Automatic) >> Repair Instructions >> Mode Actuator Replacement >> Installation Procedure
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Installation Procedure

WARNING: This page is about a different car, the 2003 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
  1. Connect the mode actuator pushrod to the mode door lever.
    Fig 1: Connecting Mode Actuator Pushrod To Mode Door Lever
    G01418979Courtesy of GENERAL MOTORS CORP.
  2. Install the air distribution case cover with the mode actuator attached.
    NOTE: Refer to FASTENER NOTICE .
  3. Install the air distribution case cover screws.

    Tighten 

    Tighten the screws to 1.6 N.m (14 lb in).

  4. Position the pod of the mode actuator between the steering column bracket and the ignition switch housing bracket.
  5. Inspect that the actuator pushrod is not binding on the mode door lever.
  6. Push the actuator toward the HVAC module case to secure the retaining tab.
  7. Install a new adjustable plastic tie strap (1) to the base of the mode actuator.
    Fig 2: Installing New Adjustable Plastic Tie Strap To Base Of Mode Actuator
    G01418980Courtesy of GENERAL MOTORS CORP.
  8. Connect the vacuum harness connectors to the mode actuator.
  9. Position the ignition switch to the ignition switch housing bracket.
  10. Install the ignition switch retaining bolts.

    Tighten 

    Tighten the bolts to 5.5 N.m (49 lb in).

    Fig 3: Installing Ignition Switch Retaining Bolts
    G01418981Courtesy of GENERAL MOTORS CORP.
  11. Install the hazard warning switch wiring harness to the ignition switch retainer.
    Fig 4: Installing Hazard Warning Switch Wiring Harness To Ignition Switch Retainer
    G01418982Courtesy of GENERAL MOTORS CORP.
  12. Install the ignition switch bezel to the switch.
    1. 12.1 Wrap the ignition switch lock cylinder wire around the base of the ignition switch bezel, as noted during removal.
    2. 12.2 Align the bezel slots to the lock cylinder pins, then push to secure.
  13. Connect the lock cylinder electrical connector.
    Fig 5: Connecting Lock Cylinder Electrical Connector
    G01418983Courtesy of GENERAL MOTORS CORP.
  14. Connect the lock cylinder electrical connector to the retaining tab on the side of the ignition switch.
    Fig 6: Connecting Lock Cylinder Electrical Connector To Retaining Tab
    G01418984Courtesy of GENERAL MOTORS CORP.
  15. Install the driver knee bolster bracket. Refer to TRIM PANEL REPLACEMENT - KNEE BOLSTER in Instrument Panel, Gages and Console.
  16. Install the inside air temperature sensor aspirator duct.
    1. 16.1 Use a twisting motion to secure the duct to the duct muffler.
    2. 16.2 Install the duct retaining tab to the ignition switch housing bracket.
      Fig 7: Installing Inside Air Temperature Sensor Aspirator Duct
      G01418985Courtesy of GENERAL MOTORS CORP.
  17. Install the IPC into position.
    Fig 8: Installing IPC To Steering Column Bracket
    G01418986Courtesy of GENERAL MOTORS CORP.
  18. Install the IPC to steering column bracket retaining screws.

    Tighten 

    Tighten the screws to 3.5 N.m (31 lb in).

  19. Install the I/P upper trim pad. Refer to TRIM PAD REPLACEMENT - INSTRUMENT PANEL (I/P) UPPER in Instrument Panel, Gages and Console.
  20. Recalibrate the actuators. Refer to RE-CALIBRATING ACTUATORS  .