Ford 6L8Z-2140-A Kit - Master Cylinder Repair

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The master cylinder is removed by first extracting as much fluid as possible from the reservoir using a syringe. Then, rags are placed underneath and caps or bags are prepped to cover the brake lines once disconnected. The fittings at the ends of the brake lines are loosened, and the brake lines are pulled slightly away from the master cylinder and plugged to avoid contamination. The electrical connector at the brake fluid level switch is disconnected, and the nuts attaching the master cylinder to the power booster are removed. Finally, the master cylinder is carefully pulled off the studs and out of the engine compartment.

After filling the master cylinder reservoir with fluid, the master cylinder and brake system are bled by having an assistant depress the brake pedal and hold it to the floor while loosening the fitting to allow air and fluid to escape.