Uplander FWD V6-3.5L VIN L (2006)
Front Door Window Regulator: Service and Repair
Window Regulator Replacement - Front Door
Tools Required
J 38864 Door Module Coil Spring Tool
Removal Procedure
Caution: Do not attempt to service the regulator motor without releasing the counterbalance spring tension. The regulator lift arm is under tension from
the counterbalance spring and can cause personal injury if the motor is removed from the regulator.
1. Remove the front door trim panel. Refer to Trim Panel Replacement - Side Front Door (See: Body and Frame/Doors, Hood and
Trunk/Doors/Front Door/Front Door Panel/Service and Repair) .
2. Remove the front door water deflector. Refer to Water Deflector Replacement - Front Door (See: Body and Frame/Doors, Hood and
Trunk/Doors/Front Door/Front Door Panel/Service and Repair) .
3. Apply the cloth backed body tape from the window over the top of the door to the other side of the window in order to hold the window in position
when the removing the regulator.
4. Remove the wiring harness from the regulator motor.
Important: Draw a line across the spring through the center with a marker or grease pencil in order to aid in the re-installation and
orientation of the counterbalance spring.
5. Use J 38864 in order to release the regulator spring tension.
Walk down the spring tension.
6. Unsnap the power window motor in order to remove the power window motor from the lock module.
7. Remove the regulator from the lock module.
Installation Procedure
1. Install the regulator to the lock module.
2. Lubricate the motor drive gear and the regulator sector teeth.
3. Snap the power window motor to the lock module in order to install the power window motor.
Important: Ensure the marker or grease pencil line from the removal procedure is lined up. Lining up the mark will set the correct
pre-tension of the counterbalance spring.
4. Use the J 38864 in order to install the spring tension. Walk up the spring tension.
5. Install the wiring harness to the regulator motor.
