GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

    Caution: Refer to Battery Disconnect Caution in the Preface section.


    Object Number: 1255809  Size: SH
  1. Disconnect the negative battery cable.
  2. Important: Before disconnecting the reservoir tank hose, remove the clutch/brake fluid from the reservoir tank.

  3. Disconnect the spring clamp on the master cylinder. Remove the reservoir hose.

  4. Object Number: 1255810  Size: SH
  5. Disconnect the pipe connected to the master cylinder.

  6. Object Number: 1255790  Size: SH
  7. Remove the locking washer and the piston rod bolt from the clutch pedal and the piston rod clevis.

  8. Object Number: 1255811  Size: SH
  9. Remove the locknuts on the master cylinder bracket. Remove the master cylinder in the direction of the engine compartment.

Installation Procedure

    Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1255811  Size: SH
  1. Install the master cylinder to the mounting bolts and install the locknuts.
  2. Tighten
    Tighten the clutch master cylinder locknuts to 22 N·m (16 lb ft).


    Object Number: 1255810  Size: SH
  3. Connect the pipe to the master cylinder.

  4. Object Number: 1255809  Size: SH
  5. Connect the reservoir hose to the master cylinder and tighten the spring clamp.

  6. Object Number: 1255790  Size: SH
  7. Coat the piston rod bolt with multi-purpose grease.
  8. Install the piston rod clevis, the piston rod bolt, and the locking washer onto the clutch pedal.
  9. Bleed the air. Refer to Hydraulic Clutch Bleeding .
  10. Fill the reservoir with clutch/brake fluid up to the MAX level.
  11. Connect the negative battery cable.