Rear Servo: Inspection
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.
Check oil seal rings. Inspect fit of band apply pin in servo piston. Inspect band apply pin for scores or cracks. Ensure band apply pin is proper size as selected during disassembly. See Band Apply Pin Selection Check in TRANSMISSION DISASSEMBLY .