GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 2001 🢒 Grand Prix 🢒 Body and Accessories 🢒 Doors 🢒 Door Window Adjustment

Causes of Slow Moving Glass

    Object Number: 443897 Size: SH

    Caution: Disconnect the power window switch when working inside the driver door. When operated, the Express Up/Down Feature allows the door window to move very quickly, without stopping, which could cause personal injury.

  1. Owners may comment that the windows (door glass) operates slowly when going up or down.
  2. Listed below are 4 conditions that may cause slow moving glass.
    3. 2.1. The glass run channel outboard lip at the rearview mirror is rolled over or the glass run channel outboard lip at the center pillar is rolled over (2).
    2.2. The glass run channel is not seated at the center pillar.
    2.3. The glass is misaligned in the opening.
    2.4. The regulator is misaligned causing misalignment of the glass.

Adjustment Procedure

    Object Number: 443902 Size: SH
  1. Remove the front and/or rear door trim panel.
    2. • For the front door, refer to Front Side Door Trim Panel Replacement .
    • For the rear door, refer to Rear Side Door Trim Panel Replacement .
  2. Remove the front and/or rear door water deflector.
    3. • For the front door, refer to Front Side Door Water Deflector Replacement .
    • For the rear door, refer to Rear Side Door Water Deflector Replacement .

    Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  3. Remove the front and/or rear door inner energy absorber.
    4. • For the front door, refer to Front Side Door Inner Panel Lower Energy Absorber Replacement .
    • For the rear door, refer to Rear Side Door Inner Panel Lower Energy Absorber Replacement .
    •  Using a flat-bladed tool, straighten the run channel lip by pulling it out to its correct position.
    •  Use a flat-bladed tool to push the run channel rearward to seat it in the door frame.
    • Condition 2.3: Loosen the window to regulator bolts.
    • Rotate the cam (5) on the window regulator plate so that the slot (6) is straight up and down. In this position, the back of the glass will tilt forward.

    Tighten
    Tighten the 2 window to regulator bolts to 10 N·m (89 lb in).

    •  Loosen the window to regulator bolts.
    • Loosen the 4 regulator bolts.
    •  Now, tighten the window regulator bolts according to the tightening sequence: 1,2,3, and 4.

    Tighten
    Tighten the 4 window regulator bolts to 10 N·m (89 lb in).

    • Tighten the 2 window to regulator bolts.

    Tighten
    Tighten the 2 window to regulator bolts to 10 N·m (89 lb in).

  4. Connect the power window switch.
  5. Install the front and/or rear door inner energy absorber.
    6. • For the front door, refer to Front Side Door Inner Panel Lower Energy Absorber Replacement .
    • For the rear door, refer to Rear Side Door Inner Panel Lower Energy Absorber Replacement .
  6. Install the front and/or rear door water deflector.
    7. • For the front door, refer to Front Side Door Water Deflector Replacement .
    • For the rear door, refer to Rear Side Door Water Deflector Replacement .
  7. Install the front and/or rear door trim panel.
    8. • For the front door, refer to Front Side Door Trim Panel Replacement .
    • For the rear door, refer to Rear Side Door Trim Panel Replacement .