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 pipes from the master cylinder.

Note: Install a rubber cap or plug to the exposed brake pipe fitting ends in order to prevent brake fluid loss and contamination.

3. Plug the open brake pipe ends.
4. Remove master cylinder mounting nuts.
5. Remove the master cylinder from the vehicle.
6. Drain the master cylinder reservoir of all brake fluid.

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.

Tighten the master cylinder mounting nuts to 33 Nm (24 lb ft).

4. Remove the plugs from the brake pipes
5. Connect the brake pipes to the master cylinder.

Tighten the brake pipe fittings at the master cylinder to 18 Nm (13 lb ft).

6. Connect the electrical connector to the brake fluid level sensor.
7. Bleed the brake system. Refer to Hydraulic Brake System Bleeding (Manual) (Service and Repair)Hydraulic Brake System Bleeding (Pressure) (Service and Repair).