GM Service Manual Online
For 1990-2009 cars only

Tools Required

J 42371 Hydraulic Clutch Line Separator

Removal Procedure


    Object Number: 1302125  Size: SH

    Important: A new retainer (3) is required after removal.

  1. Complete the following in order to disengage the retainer (3) from the clutch pedal pin.
  2. 1.1. Insert a flat bladed tool (4) between the clutch master cylinder push rod (1) and the clutch pedal (2).
    1.2. Pry the clutch master cylinder push rod (1) away from the clutch pedal assembly (2).

    Discard the retainer (3).

  3. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .

  4. Object Number: 1302107  Size: SH
  5. Using the J 42371 , push back the white plastic sleeve on the quick connect in order to separate the hydraulic clutch hose from the clutch actuator quick connect.
  6. It is not necessary to plug the lower hose end or slave cylinder fitting as they are equipped with check valves, only minimal fluid loss may be experienced.

  7. Disconnect the clutch hydraulic hose retainer from the inner fender.
  8. Lower the vehicle.

  9. Object Number: 1302127  Size: SH
  10. Rotate the clutch master cylinder clockwise 1/8 turn.

  11. Object Number: 1302131  Size: SH
  12. Remove the clutch master cylinder with hydraulic hose from the cowl.

Installation Procedure

  1. Route the clutch hydraulic hose with master cylinder under the brake booster.

  2. Object Number: 1302131  Size: SH
  3. With the clutch fluid reservoir cap at the 1:30 position. Insert the clutch master cylinder into the cowl.

  4. Object Number: 1302129  Size: SH
  5. Rotate the clutch master cylinder counter clockwise 1/8 turn until fully seated.
  6. The clutch fluid reservoir cap will be vertical at the 12:00 position when the clutch master cylinder is properly installed.

  7. Raise the vehicle.

  8. Object Number: 1302134  Size: SH

    Important: Ensure the clutch hydraulic hose does not come in contact with any sharp or potentially hot surfaces.

  9. Push the clutch hydraulic hose quick connect fitting (2) into the clutch slave cylinder, until a "click" is heard.
  10. Tug gently on the clutch hydraulic hose to ensure proper retention into the clutch slave cylinder.
  11. Connect the clutch hydraulic hose retainer to the inner fender.
  12. Lower the vehicle.

  13. Object Number: 1396381  Size: SH
  14. Insert a new retainer (3) into the clutch master cylinder push rod (1).
  15. Push the clutch master cylinder push rod (1) onto the clutch pedal pin to secure.
  16. Adjust the clutch release switch. Refer to Clutch Pedal Cruise Control Release Switch Adjustment .
  17. Adjust the clutch pedal position switch. Refer to Clutch Pedal Position Switch Replacement .
  18. Bleed the clutch hydraulic system, only if necessary. Refer to Hydraulic Clutch Bleeding .