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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 >> Defroster Actuator Replacement >> 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 actuator to the defroster door arm and snap into place on the HVAC module.
  2. Connect the vacuum line to the actuator.
    Fig 1: Installing Defroster Actuator Vacuum Lines
    G01569030Courtesy of GENERAL MOTORS CORP.
  3. Remove the hand vacuum pump (2) and reinstall the vacuum line to the recirculation actuator.
  4. Install the I/P compartment. Refer to COMPARTMENT REPLACEMENT - INSTRUMENT PANEL (I/P) in Instrument Panel, Gages and Console.
  5. Install the right instrument insulator panel. Refer to CLOSEOUT/INSULATOR PANEL REPLACEMENT - RIGHT in Instrument Panel, Gages and Console.
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