Diesel Data: Automotive Repair

Clutch Master Cylinder: Service and Repair


Clutch Master Cylinder Replacement
Removal Procedure





1. Remove the clutch pedal retainer from the front of the clutch pedal assembly.
2. Pull the clutch pedal upward in order to disengage the clutch master cylinder pushrod from the clutch pedal.
3. Remove the UBEC.





4. Place a shop towel under the clutch master cylinder in order to catch any fluid loss.

Notice: Refer to Brake Fluid Effects on Paint and Electrical Components Notice in Service Precautions.

5. Disconnect the clutch damper from the clutch master cylinder.





6. Disconnect the reservoir line from clutch master cylinder.
7. Cap the reservoir and hydraulic lines in order to prevent fluid loss and contamination.





8. Rotate the clutch master cylinder one 1/4 turn clockwise and remove the cylinder from the vehicle.

Installation Procedure





1. Install the clutch master cylinder while rotating 1/4 turn counterclockwise.

Important: While installing, ensure that the clutch master cylinder pushrod is aligned with he clutch pedal.

2. Uncap the reservoir and hydraulic lines.





3. Connect the clutch damper to the clutch master cylinder.
4. Install the reservoir line in the clutch master cylinder.





5. Remove the shop towel and discard in a suitable container.
6. Install the UBEC. Refer to Underhood Electrical Center or Junction Block Bracket Replacement in Computers and Control Systems.





7. Connect the clutch master cylinder pushrod to the clutch pedal.
8. Install the clutch pedal retainer.
9. Bleed the clutch hydraulic system.