GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 1985 🢒 Demonstrator 🢒 Body 🢒 Doors 🢒 Front Side Door Window Replacement

Removal Procedure

    Object Number: 621651 Size: SH
  1. Position the front door window in the full down position.
  2. Remove the front door trim panel.
  3. Remove the front door water deflector.
  4. Remove the outer belt sealing strip.
  5. Remove the window weatherstrip.
  6. Loosen the bolts (1) to the front and rear clevice clamps.

    7. Object Number: 621645 Size: SH
  7. Remove the window from the outside of the front door.

Installation Procedure

    Object Number: 621645 Size: SH
  1. Position the window between the inner and the outer door panels.
  2. Point the lower front corner of the window down and pass through the belt opening.
  3. Align the edges with the window weatherstrip channel.

    4. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 621651 Size: SH
  4. Turn the window to a horizontal position and align the window with the front and rear clevice clamps.

    5. Tighten
    Tighten the front and rear clevice clamps bolts (1) to 11 N·m (97 lb in).

  5. Install the window weatherstrip.

    6. Important: Do not allow the sealing lips on the outer belt sealing strip to roll over and point downwards. If this condition is present the window will not raise properly.

  6. Install the outer belt sealing strip.
  7. Install the front door water deflector.
  8. Install the front door inner trim panel.