For 1990-2009 cars

### Removal Procedure

1. Remove the right hand exhaust manifold. Refer to Exhaust Manifold Replacement .
2. Depress the servo cover.
3. Remove the snap ring and the servo cover.
4. Remove the following items:

• | Piston assembly

• | Sealing ring

• | Servo ring

5. For the disassembly of the servo piston assembly, refer to Reverse Servo Disassemble .

### Installation Procedure

1. Install the following items:

• | Servo spring

• | Sealing ring

• | Piston assembly

2. Install the servo cover and the snap ring.
3. Install the right hand exhaust manifold. Refer to Exhaust Manifold Replacement .