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Power Steering Oil Pump: Assembly

  1. Apply grease to the lip of the drive shaft oil seal, and attach the casing.
    CAUTION: The drive shaft oil seal cannot be reused. Always replace after every disassembly.
    Fig 1: Inserting Drive Shaft Oil Seal
    G02210220Courtesy of NISSAN MOTOR CO., U.S.A.
  2. When removing the dowel pin, if it is difficult to insert with your hands, insert into the casing by tapping lightly with a hammer or similar tool.
  3. Attach the flow control A valve, flow control valve spring, and the flow control B valve assembly to the locations indicated in the drawing left.
    Fig 2: Identifying Location For Attaching Flow Control A Valve, B And Flow Control Valve Spring
    G02210221Courtesy of NISSAN MOTOR CO., U.S.A.
  4. Match the dowel pin A on the flow control A valve side with the notch B of the side plate (front), and attach the side plate (front) to the casing.
    Fig 3: Attaching Side Plate To Casing
    G02210222Courtesy of NISSAN MOTOR CO., U.S.A.
  5. Face the cam ring side with fewer pores towards the casing, and attach the cam ring on top of the side plate (front).
  6. Attach the pulley to the casing.
    CAUTION: Attach with care so as not to damage the drive shaft oil seal.
    Fig 4: Attaching Cam Ring On Top Of The Side Plate (Front)
    G02210223Courtesy of NISSAN MOTOR CO., U.S.A.
  7. Face the side of the rotor with the punch mark towards the casing, and attach the rotor to the drive shaft.
    Fig 5: Identifying Front Housing And Rear Housing Side Punch Marks
    G02210224Courtesy of NISSAN MOTOR CO., U.S.A.
  8. Attach the vane to the rotor so that the vane's arc touches the cam ring.
    Fig 6: Attaching Vane To Rotor
    G02210225Courtesy of NISSAN MOTOR CO., U.S.A.
  9. Use a hammer or suitable tool to insert the rotor snap ring into the drive shaft channel.
    CAUTION:
    • The rotor snap ring cannot be reused. Always replace after every disassembly.
    • Insert with care so as not to damage the rotor or the drive shaft.
    • If the rotor is damaged, replace the power steering as an assembly.
      Fig 7: Inserting Rotor Snap Ring Into Drive Shaft Channel
      G02210226Courtesy of NISSAN MOTOR CO., U.S.A.
  10. Match the dowel pin A on the flow control A valve side with the notch B of the side plate (rear), and attach the side plate (rear) to the cam ring.
  11. Apply Genuine Nissan PSF II or equivalent to O-ring and attach to the casing.
    CAUTION: The O-ring cannot be reused. Always replace after every disassembly.
    Fig 8: Matching Dowel Pin A On Flow Control A Valve Side With Notch B Of Side Plate (Rear)
    G02210227Courtesy of NISSAN MOTOR CO., U.S.A.
  12. Attach a side plate inner seal and side plate outer seal with Genuine Nissan PSF II or equivalent applied, to the side plate (rear).
    CAUTION: The side plate inner seal and outer seal cannot be reused. Always replace after every disassembly.
  13. Set the power steering pump on the vice.
    CAUTION: When securing to the vice, use an aluminum plate or other material to protect the installation surface of the power steering pump from damage.
  14. Attach the rear cover to the casing, and secure the bolts (4 bolts) in a diagonal order to the specified torque.
  15. Attach the front bracket to the casing, and secure the bolts (2 bolts) to the specified torque.
  16. Attach the suction pipe O-ring to the grooves of the suction pipe, and attach the suction pipe to the casing with attachment bolts.
    CAUTION: The suction pipe seal cannot be reused. Always replace after every disassembly.
    Fig 9: Identifying Side Plate Outer And Inner Seal
    G02210228Courtesy of NISSAN MOTOR CO., U.S.A.
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