Reverse 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.

Remove the transmission oil pan and filter. See DRAINING & REFILLING under LUBRICATION. Remove the rear servo assembly from the transmission case as follows:

Cover bolts (6).
Cover (5).
Cover gasket (4).
Bottom retaining clip (3).
Servo piston (2).
Outer ring oil seal (1).
Inner ring oil seal (7).
Accumulator piston (8).
Piston seal (9).
Washer (10).
Servo spring (11).
Servo spring retainer (12).
Selective pin (13).
Accumulator spring (14).

See Figure .