For 1990-2009 cars

### Removal Procedure

Caution: Refer to Brake Fluid Irritant Caution in the Preface section.

Notice: Refer to Brake Fluid Effects on Paint and Electrical Components Notice in the Preface section.

1. Remove the underhood electrical center bracket. Refer to Underhood Electrical Center or Junction Block Bracket Replacement .
2. Disconnect the electrical connector from the brake fluid level indicator switch.
3. Disconnect the brake pipes from the master cylinder.

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

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

### Installation Procedure

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

Notice: Refer to Fastener Notice in the Preface section.

3. Install the master cylinder mounting nuts.

Tighten
Tighten the master cylinder mounting nuts to 25 N·m (18 lb ft).

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

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

6. Connect the electrical connector to the brake fluid level indicator switch.
7. Install the underhood electrical center bracket. Refer to Underhood Electrical Center or Junction Block Bracket Replacement .
8. Bleed the hydraulic brake system. Refer to Hydraulic Brake System Bleeding .