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Assembly Procedure

    Fig 1: Hydraulic Pump Housing Assembly Components
    GM428353Courtesy of GENERAL MOTORS CORP.
  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).
    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 O-ring union fitting to 75 N.m (55 lb ft).

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