GM 12581771 Cylinder Asm,Clutch Master

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To remove the clutch master cylinder, start by pulling the plastic clip near the top of the clutch pedal under the dash on the driver's side. This will disengage the pedal. Next, remove as much fluid as possible from the brake master cylinder reservoir using a syringe or turkey baster. Place rags under the fluid fittings and prepare caps or plastic bags to cover the ends of lines or fittings once they are disconnected. Disconnect the negative battery cable and unbolt the underhood electrical center, setting it aside. Disconnect the fluid feed hose from the clutch master cylinder and plug it to prevent spilling brake fluid. Remove the line clip at the master cylinder hydraulic line fitting and separate the hydraulic line from the cylinder. Finally, twist the master cylinder 90 degrees clockwise and remove it from the vehicle. To install the clutch master cylinder, place the master cylinder pushrod through the firewall and twist the master cylinder 90 degrees counterclockwise to secure it, ensuring the pushrod is aligned with the clutch pedal. Push the clutch pedal down to engage the pushrod and reinsert the plastic clip. Attach the fluid feed hose to the clutch master cylinder and connect the hydraulic line fitting, securing it with the retaining clip. Fill the reservoir with DOT 3 brake fluid and bleed the clutch system. Additionally, check the feel of the brake pedal and bleed the brake hydraulic system if it feels spongy when depressed.