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 O-ring seal (4) with power steering fluid.
4. Install the O-ring seal (4) onto the O-ring union fitting (5).
   NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
5. Install the O-ring union fitting (5) into the hydraulic pump housing assembly (1).

Tighten 

Tighten the fitting (5) to 75 N.m (55 lb ft).

Fig 1: Installing Control Valve Assembly

Courtesy of GENERAL MOTORS CORP.