Disassembly Procedure

Fig 1: Boot & Piston Stop Ring

Courtesy of GENERAL MOTORS CORP.

Remove the clutch master cylinder assembly from the vehicle. Refer to Clutch Master Cylinder Replacement .
Remove the boot and disconnect the piston stop ring using ring pliers.

Fig 2: Clutch Master Cylinder Wall, Piston & Pushrod Assembly

Courtesy of GENERAL MOTORS CORP.

Remove the pushrod assembly and the piston assembly.
Inspect the clutch master cylinder wall and the piston for wear. Replace the piston if necessary.
Inspect the cup and the piston for wear. Fluid leaks will show wear on the cup and the piston. Replace the cup and the piston if necessary.
Inspect the pushrod for wear. Repair the pushrod if necessary.