For 1990-2009 cars

### Disassembly Procedure

1. Remove the O-ring union fitting (5) from the hydraulic pump housing assembly (1).
2. Remove the O-ring seal (4) from the O-ring union fitting (5).
3. Remove the control valve assembly (3).
4. Remove the flow control spring (2).

### Assembly Procedure

1. Install the flow control spring (2) to the hydraulic pump housing assembly (1).
2. Install the control valve assembly (3).
3. Lubricate the new O-ring seal (4) with power steering fluid.
4. Install the O-ring seal (4) on to the O-ring union fitting (5).

Caution: Refer to Fastener Caution in the Preface section.

5. Install the O-ring union fitting (5) into the hydraulic pump housing assembly (1). Tighten the O-ring union fitting to 75 N·m (55 lb ft).