Cadillac 19432066 CYLINDER ASM,CLU MAS

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To remove the driver's side insulation panel, disconnect the clutch pedal position sensor electrical connector. Using a small screwdriver, disconnect the master cylinder pushrod from the clutch pedal pin, then remove the clutch reservoir mounting bolt and take the reservoir off the fender. Next, remove the expansion tank mounting fasteners and set the expansion tank aside. For 2008 and later models, remove the power brake booster. Clamp locking pliers onto the clutch fluid feed hose a couple of inches downstream of the brake fluid reservoir to prevent fluid flow when disconnecting the hose. Pull the hydraulic clutch line retaining clip up from the clutch master and remove the clutch hose, taking care not to let brake fluid contact the paint. Rotate the clutch master cylinder clockwise 1/8-turn and pull it from the firewall. For installation, place the master cylinder with the fluid reservoir connection pointing at the two o'clock position, then insert it into the firewall, aligning the slots on the clutch master with the tabs on the clutch pedal bracket. Seat the clutch master cylinder by rotating it 1/8-turn counterclockwise, ensuring the reservoir connection faces the twelve o'clock position. Connect the hydraulic line fitting to the clutch master cylinder and insert the locking pin, then attach the fluid feed hose from the reservoir to the clutch master cylinder and remove the locking pliers. Install the clutch reservoir and securely tighten the mounting bolt. Working under the dash, push the pushrod onto the clutch pedal pin and connect the clutch pedal position sensor electrical connector. Fill the reservoir with brake fluid conforming to DOT 3 specifications and bleed the clutch system. The installation process is the reverse of removal.