Front & Rear Servo Assembly: Notes
WARNING: This page does not describe the selected car, but rather 124 other vehicles, including the 1991 Chevrolet Pickup, 1991 Chevrolet Cab & Chassis, 1988 GMC Vandura Special, 1988 GMC Vandura, and 1988 GMC Value Van. However, it is still accessible from the selected car via links, so may be relevant.
Remove servo piston assembly, retainer and spring. Remove bolts, cover, gasket, rear servo piston and seal. Perform band apply pin selection check at this time to determine correct pin for use at reassembly. This is equivalent to band adjustment.