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Power Steering Pump: Disassembly

  1. Place power steering pump in a soft-jawed vise. Remove 2 bolts, 2 nuts and power steering pump bracket from pump (if attached). Mark thrust plate and pump housing for reassembly reference. Remove 2 studs, 2 bolts and thrust plate from pump housing. Note location of studs for reassembly reference.
  2. Remove "O" ring from thrust plate. Note cam ring position inside pump housing for reassembly reference. Remove cam ring and vanes from pump housing.
  3. Remove retaining ring from pump shaft. See Figure . Remove pump shaft from pump housing. Remove rotor from pump housing. Note pressure plate position inside pump housing for reassembly reference. Remove pressure plate from pump housing.
  4. Remove "O" rings from pressure plate. Remove pump shaft oil seal from pump housing using Slide Hammer (J-23907). Remove pressure hose fitting, control valve and flow control spring from pump housing.
  5. Remove "O" rings from pressure hose fitting. Remove 2 bolts, supply tube and "O" ring from pump housing. Remove power steering pressure switch from pump housing.
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