Forward Servo (4L80-E): Removal

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2002 GMC Savana Special, 2002 GMC Savana Camper Special, 2002 GMC Savana, 2002 Chevrolet RV Cutaway, and 2002 Chevrolet Cutaway. However, it is still accessible from the selected car via links, so may be relevant.

Raise and support the vehicle. Remove the oil pan and filter. See DRAINING & REFILLING under LUBRICATION.
Remove the 6 forward servo cover bolts, cover and gasket.
Remove the following parts:
- Forward servo piston pin (5).
- O-ring seal (4).
- Servo piston (3).
- Retainer (2).
- Piston spring (1).
See Figure .