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Disassembly Procedure

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  1. Drain the oil from the reservoir (1).
  2. Remove the control valve assembly (3) from the pump housing (1). Make sure the flow control spring (4) does not fall out of the pump housing (1).
  3. Remove the rectangular section seal (2) from the control valve assembly (3).
    Fig 1: Removing Control Valve Assembly From Pump Housing
    G01454932Courtesy of GENERAL MOTORS CORP.
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