GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

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


    Object Number: 1255809  Size: SH
  1. Disconnect the negative battery cable.
  2. Note: 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

    Caution: Refer to Fastener Caution in the Preface section.


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

  2. 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.