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Disassembly Procedure

    Fig 1: Hydraulic Pump Housing Assembly Components
    GM428353Courtesy of GENERAL MOTORS CORP.
  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).
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