GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2007 🢒 STS 🢒 Body Systems 🢒 Fixed and Moveable Windows 🢒 Rear Window Replacement

Tools Required

    • J 24402-A Glass Sealant Cold Knife Remover
    • J 39032 Stationary Glass Removal Tool
    • Urethane Adhesive Kit GM P/N 12346392 or Equivalent
    • Isopropyl Alcohol or Equivalent
    • Cartridge-type Caulking Gun
    • Commercial-type Utility Knife
    • Razor Blade Scraper
    • Suction Cups
    • Plastic Paddle

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 the interior trim.


    Object Number: 784639 Size: SH
  1. Open the rear compartment lid in order to access the reveal molding (1).
  2. Remove the rear seat cushion. Refer to Rear Seat Cushion Replacement.
  3. Remove the rear seat back. Refer to Rear Seat Back Replacement.
  4. Remove the rear sail trim panels. Refer to Sail Panel Replacement.
  5. Remove the headliner. Refer to Headlining Trim Panel Replacement.

    6. Caution: If broken glass falls into the defroster outlets, it can be blown into the passenger compartment and cause personal injury.

  6. Cover to protect the following parts from broken glass:
    7. • Rear shelf trim panel
    • Defroster outlets and A/C outlets
    • Carpeting
    • Rear speaker

    Object Number: 401856 Size: SH
  7. Disconnect all of the rear window electrical connectors.

    8. Object Number: 71179 Size: SH

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

  8. This will allow the urethane adhesive to be separated from the window.
    9. • Leave a base of urethane on the pinchweld flange.
    • The only suitable lubrication is clear water.
    • Use J 24402-A , J 39032 or equivalent in order to remove the window.

    Object Number: 757629 Size: SH
  9. With the aid of an assistant, use the suction cups in order to lift the rear window (2) from the opening.

Installation Procedure

    Object Number: 757629 Size: SH
  1. The locator pins (1) are used in order to hold the rear window in position.
  2. Install the rear window into the opening. Refer to Adhesive Installation of Stationary Windows .

    3. Object Number: 401856 Size: SH
  3. Connect all of the rear window electrical connectors.
  4. Install the headliner. Refer to Headlining Trim Panel Replacement.
  5. Install the rear sail trim panels. Refer to Sail Panel Replacement.
  6. Install the rear seat back. Refer to Rear Seat Back Replacement.
  7. Install the rear seat cushion. Refer to Rear Seat Cushion Replacement.
  8. Cycle the rear compartment lid open and close in order to position the lower reveal molding under the rear compartment lid.
  9. Remove the double layer of masking tape around the perimeter of the painted surfaces and the interior trim.