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Removal Procedure

WARNING: If a window is cracked but still intact, crisscross the window with masking tape in order to reduce the risk of damage or personal injury  .

Important:  Before cutting out a stationary window, apply a double layer of masking tape around the perimeter of the painted surfaces and inner trim.

  1. Remove the lower garnish molding and the rear compartment front side trim panel for access to the inside of the window. Refer to TRIM PANEL REPLACE - REAR COMPARTMENT FRONT SIDE (COUPE) or TRIM PANEL REPLACE - REAR COMPARTMENT FRONT SIDE (CONVERTIBLE) or TRIM PANEL REPLACE - REAR COMPARTMENT FRONT SIDE (HARDTOP) .
    WARNING: Defroster Outlet Caution: If broken glass falls into the defroster outlet, it can be blown into the passenger compartment and cause personal injury. 
  2. Cover to protect the following parts from broken glass:
    1. 2.1. Upper dash pad
    2. 2.2. Defroster outlets and A/C outlets
    3. 2.3. Seats and carpeting
  3. Disconnect the rear window defogger connectors at the window.
    Fig 1: Disconnecting Rear Window Defogger Connections
    G01733434Courtesy of GENERAL MOTORS CORP.
  4. Disconnect the OnStar, if equipped.

    Important:  The rear window reveal molding fills the cavities between the body and window.

    If the reveal molding is stretched or damaged, it cannot be reused. It must be replaced.

  5. Remove the rear window reveal molding.
    Fig 2: Removing Rear Window Reveal Molding
    G01733435Courtesy of GENERAL MOTORS CORP.

    If the window reveal molding will not release, use a utility knife in order to cut around the window in order to remove the rear window reveal molding.

    Important:  Keep the cutting edge of the tool against the window.

  6. This will allow the urethane adhesive to be separated from the window.
    • Leave a base of urethane on the pinch-weld flange.
    • The only suitable lubrication is clear water.
    • UseJ 24402-A  , J 39032  or equivalent in order to remove the window.
      Fig 3: Removing Urethane Adhesive
      G01733436Courtesy of GENERAL MOTORS CORP.
  7. With the aid of an assistant, use the suction cups in order to lift the rear window from the opening.
    Fig 4: Removing Rear Window
    G01733437Courtesy of GENERAL MOTORS CORP.