LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Buick >> 2003 >> Century Custom >> Repair and Diagnosis >> Body & Frame >> Windows >> Stationary Window System >> Repair Instructions >> Rear Window Replacement >> Removal Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Removal Procedure

CAUTION: 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 rear window reveal molding. Refer to URETHANE ADHESIVE INSTALLATION OF STATIONARY WINDOWS  .
  2. Open the rear compartment lid in order to access the reveal molding.
  3. Disconnect the rear window defogger electrical connectors.
    4. Fig 1: Disconnecting Rear Window Defogger Electrical Connectors
    G01587762Courtesy of GENERAL MOTORS CORP.
  4. Disconnect the OnStar(R) antenna, if equipped.
  5. Disconnect the rear window radio antenna connector.
    CAUTION: If broken glass falls into the defroster outlets, it can be blown into the passenger compartment and cause personal injury.
    6. Fig 2: Disconnecting Rear Window Radio Antenna Connector
    G01587763Courtesy of GENERAL MOTORS CORP.
  6. Cover to protect the following parts from broken glass:
    • Upper dash pad
    • Defroster outlets and A/C outlets
    • Seats and carpeting
    CAUTION: When working with any type of glass or sheet metal with exposed or rough edges, wear approved safety glasses and gloves in order to reduce the chance of personal injury.
    IMPORTANT: The rear window reveal molding fills the cavities between the body and window. If the window reveal molding is stretched or damaged it cannot be reused.
  7. The rear window reveal molding is a one-piece molding. Grasp the lower corner of the window reveal molding by hand and slowly pull the reveal molding away from the window.
  8. Remove the rear window reveal molding (1). Refer to REAR WINDOW REVEAL MOLDING REPLACEMENT  .
    9. Fig 3: Removing Rear Window Reveal Molding
    G01587764Courtesy of GENERAL MOTORS CORP.
  9. If the window reveal molding (1) 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. Do this from inside the vehicle to protect the outer painted surface.
  10. This will allow the urethane adhesive to be separated from the window.
    • Leave a base of urethane on the pinchweld flange.
    • The only suitable lubrication is clear water.
    • Use J 39032 or equivalent in order to remove the window.
    • Remove the quarter modular window from the pinchweld flange.
  11. With the aid of an assistant lift the rear window from the opening.
    12. Fig 4: Lifting Rear Window From Opening
    G01587765Courtesy of GENERAL MOTORS CORP.
scientia non olet · About LEMON Manuals