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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1234 (HVAC Systems - Manual) >> Repair Instructions >> Defroster Actuator Replacement >> Removal Procedure

Removal 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. Remove the right instrument panel insulator panel. Refer to CLOSEOUT/INSULATOR PANEL REPLACEMENT - RIGHT .
  2. Remove the IP compartment. Refer to COMPARTMENT REPLACEMENT - INSTRUMENT PANEL (I/P) .
  3. Disconnect the two vacuum lines from the defroster actuator (3).
  4. Disconnect the orange vacuum line from the recirculation actuator and install a hand vacuum pump (2).
    Fig 1: Disconnecting Two Vacuum Lines From Defroster Actuator
    G01482311Courtesy of GENERAL MOTORS CORP.
  5. Remove the defroster actuator from its attachment to the HVAC module case.
  6. Using the hand vacuum pump (2) open the recirculation actuator door.
  7. Rotate the defroster actuator to the right and up into the opening between the back of the dash and the opening into the HVAC module. The opening which results when the recirculation actuator door is in the full open position.
  8. Disconnect the defroster actuator from the defroster door arm.
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