Front 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.

Inspect servo pin, piston and oil seal ring for wear or damage. Check fit of servo pin in piston and in case bore. See Fig 1.

Fig 1: Exploded View of Front Servo Assembly

Courtesy of GENERAL MOTORS CORP.