GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2005 🢒 Aveo 🢒 Transmission/Transaxle 🢒 Clutch 🢒 Clutch Master Cylinder Assembly Overhaul

Disassembly Procedure

    Object Number: 1251820 Size: SH
  1. Remove the clutch master cylinder assembly from the vehicle. Refer to Clutch Master Cylinder Replacement .
  2. Remove the boot and disconnect the piston stop ring using ring pliers.

    3. Object Number: 1251821 Size: SH
  3. Remove the pushrod assembly and the piston assembly.
  4. Inspect the clutch master cylinder wall and the piston for wear. Replace the piston if necessary.
  5. 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.
  6. Inspect the pushrod for wear. Repair the pushrod if necessary.

Assembly Procedure

    Caution: Refer to Safety Glasses Caution in the Preface section.


    Object Number: 1251821 Size: SH
  1. Apply clean fluid to the piston assembly cup and insert the piston assembly and the pushrod assembly into the master cylinder body.

    2. Object Number: 1251820 Size: SH
  2. Install the piston stop ring using ring pliers. Install the boot.
  3. Install the clutch master cylinder assembly into the vehicle. Refer to Clutch Master Cylinder Replacement .