Assembly Procedure

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Important: Use new O-ring seals when assembling the power steering pump assembly.

Lubricate the O-ring seals (1), (4) and (5) with power steering fluid.
To install the control valve assembly and flow control spring to the pump housing assembly (2). Refer to Power Steering Pump Flow Control Valve Replacement - Off Vehicle .
Install the O-ring seals (1), (4) and (5) to the pump housing assembly (2).
Install the magnet (3) to the pump housing assembly (2).

Fig 1: Installing Components Onto Pump Housing Assembly
Courtesy of GENERAL MOTORS CORP.
Connect the reservoir assembly (1) to the pump housing assembly (2).
Install the O-ring seal.

Fig 2: Connecting Reservoir Assembly To Pump Housing Assembly
Courtesy of GENERAL MOTORS CORP.
Install the connector and fitting assembly (4) to the pump housing (1).
CAUTION: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.
Install the pump mounting studs (2) to the pump housing (1).
Tighten
- Tighten the pump mounting studs (2) to 58 N.m (43 lb ft).
- Tighten the connector and fitting assembly (4) to 75 N.m (55 lb ft).
  
  Fig 3: Installing Components To Pump Housing
  Courtesy of GENERAL MOTORS CORP.