Master Cylinder Replacement

Master Cylinder Replacement

Removal Procedure




Warning: Refer to Brake Fluid Irritant Warning (Brake Fluid Irritant Warning).


Caution: Refer to Brake Fluid Effects on Paint and Electrical Components Caution (Vehicle Damage Warnings).

1. Disconnect the electrical connector from the brake fluid level sensor.
2. Disconnect the brake pipe fittings from the master cylinder.
Cap the brake pipe fittings and plug the master cylinder outlet ports to prevent brake fluid loss and contamination.
3. Remove master cylinder mounting nuts.
4. Remove the master cylinder from the vehicle.
5. Remove the brake fluid from the master cylinder reservoir.

Installation Procedure




1. Bench bleed the master cylinder. Refer to Master Cylinder Bench Bleeding (Master Cylinder Bench Bleeding).
2. Install the master cylinder to the vacuum brake booster.

Caution: Refer to Fastener Caution (Fastener Caution).

3. Install the master cylinder mounting nuts and tighten to 33 Nm (24 lb ft).
4. Connect the brake pipe fittings to the master cylinder and tighten the fittings to 30 Nm (22 lb ft).
5. Connect the brake fluid level sensor electrical connector.
6. Bleed the hydraulic brake system. Refer to Hydraulic Brake System Bleeding (Pressure) (Service and Repair)Hydraulic Brake System Bleeding (Manual) (Service and Repair).