GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 2007 🢒 G6 🢒 Transmission/Transaxle 🢒 Clutch 🢒 Clutch Concentric Actuator Cylinder Replacement

Removal Procedure

    Object Number: 621603 Size: SH
  1. Disconnect the clutch actuator cylinder line.
  2. Remove the transmission. Refer to Transmission Replacement .

    3. Object Number: 621539 Size: SH
  3. Remove the clutch actuator cylinder body bolts.

    4. Object Number: 621542 Size: SH
  4. Remove the upper line retainer bolt.
  5. Remove the actuator.

Installation Procedure
  1. Lubricate the inside diameter of the bearing with GM P/N 12345777, or equivalent.

    2. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 621539 Size: SH
  2. Install the clutch actuator cylinder and the body bolts.

    3. Tighten
    Tighten the bolts to 10 N·m (89 lb in).


    Object Number: 621542 Size: SH
  3. Install the upper line retainer bolt.
  4. Install the transmission. Refer to Transmission Replacement .

    5. Object Number: 621603 Size: SH
  5. Connect the clutch actuator cylinder line.
  6. Bleed the hydraulic system. Refer to Hydraulic Clutch Bleeding .