For 1990-2009 cars

### Removal Procedure

1. Remove the master cylinder. Refer to Master Cylinder Replacement.
2. Remove the clamp on the vacuum hose connection to the booster.
3. Remove the vacuum hose from the booster.
4. Disconnect the retaining clip from the pushrod of brake booster.
5. Remove the booster mounting nuts from the studs protruding from the dash panel, and remove the booster.

### Installation Procedure

Caution: Refer to Fastener Caution in the Preface section.

1. Install the booster and the mounting nuts to the dash panel and tighten to 22 N·m (16 lb ft).
2. Install the master cylinder onto the booster. Refer to Master Cylinder Replacement.
3. Install the vacuum hose.
4. Connect the retaining clip to the pushrod of brake booster.
5. With the engine OFF, eliminate vacuum in the booster by pumping the brake pedal several times.
6. Maintain moderate pressure on the brake pedal and start the engine.

Observe the operation of the brake pedal.

The booster is functioning properly if the pedal drops slightly because the booster increases the force on the master cylinder pushrod.

If the pedal does not drop, refer to Diagnostic Starting Point - Hydraulic Brakes.