Master Cylinder Replacement

Master Cylinder Replacement

Caution: Refer to in Brake Fluid irritant Caution in Cautions and Notices.

Notice: Refer to Brake Fluid Effects on Paint and Electrical Components Notice in Cautions and Notices.

Removal Procedure

1. Disconnect the electrical connector from the brake fluid level sensor.
2. Disconnect the brake pipes from the master cylinder.

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

3. Plug the open brake pipe fitting ends.
4. Remove the 2 master cylinder mounting nuts.
5. Remove the master cylinder.
6. Remove the reservoir from the master cylinder if it is to be reused on a replacement master cylinder. Refer to Master Cylinder Reservoir Replacement. Master Cylinder Reservoir Replacement

Installation Procedure

1. Install the brake master cylinder reservoir to the master cylinder if it was removed previously. Refer to Master Cylinder Reservoir Replacement.
2. Bench bleed the master cylinder. Refer to Master Cylinder Bench Bleeding. Master Cylinder Bench Bleeding
3. Install the master cylinder to the vacuum brake booster.

Notice: Refer to Fastener Notice in Cautions and Notices.

4. Install the 2 brake master cylinder mounting nuts.
Tighten
Tighten the 2 brake master cylinder mounting nuts to 25 N.m (18 lb ft).
5. Remove the plugs from the brake pipes.
6. Install the brake pipes to the master cylinder.
Tighten
Tighten the brake pipe fittings at the master cylinder to 33 N.m (24 lb ft).
7. Connect the electrical connector to the brake fluid level sensor.
8. Bleed the hydraulic brake system. Refer to Hydraulic Brake System Bleeding (Manual) or Hydraulic Brake System Bleeding (Pressure). Hydraulic Brake System Bleeding (Manual) Hydraulic Brake System Bleeding (Pressure)