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Disassembly and Assembly: Assembly

WARNING: This page is about a different car, the 2003 Infiniti M45. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Fix oil pump in vise as vise occasion demands.
CAUTION: When retaining drive shaft assembly in a vise, always use copper or aluminum plates between vise and shaft.
  1. Apply a coat of Genuine Nissan PSF or equivalent to oil seal lip and to the circumference of oil seal. Using proper tool, such as hand press machine, install it to housing.
    NOTE: Do not reuse oil seal.
  2. Apply a coat of Genuine Nissan PSF or equivalent to drive shaft assembly and press drive shaft assembly into housing with suitable tool, then install snap ring.
    NOTE: Do not reuse snap ring.
    Fig 1: Installing Drive Shaft Assembly
    G02025438Courtesy of NISSAN MOTOR CO., U.S.A.
  3. Apply a coat of Genuine Nissan PSF or equivalent to O-ring and install O-ring into housing.
    NOTE: Do not reuse O-ring.
  4. Install side plate to housing.
    Fig 2: Identifying Side Plate
    G02025439Courtesy of NISSAN MOTOR CO., U.S.A.
  5. Install lock pin into lock pin hole, and install cam-ring as shown in the figure.
    NOTE: Do not reuse oil O-ring.
    • When installing cam-ring, turn carved face with a letter (E) of it to rear cover.
      CAUTION: Do not confuse the assembling direction of cam-ring. If cam-ring is installed facing the incorrect direction, it may cause pump operation malfunction.
      Fig 3: Identifying Cam Ring
      G02025440Courtesy of NISSAN MOTOR CO., U.S.A.
  6. Install rotor to housing.
    • When installing rotor, turn punch mark face on rotor to housing.
      Fig 4: Identifying Front And Rear Housing
      G02025441Courtesy of NISSAN MOTOR CO., U.S.A.
  7. Install vane to rotor with facing the round portion outside.
  8. Check if drive shaft assembly turns smoothly.
  9. Install gasket to housing.
    NOTE: Do not reuse gasket.
    Fig 5: Installing Vane To Rotor
    G02025442Courtesy of NISSAN MOTOR CO., U.S.A.
  10. Install rear cover to housing and tighten bolts at the specified torque.
  11. Install pulley to drive shaft assembly then tighten lock nut at the specified torque.
  12. Install spring, flow control valve, O-ring, connector bolt, joint, washer to housing. Then tighten lock nut at the specified torque.
    NOTE: Do not reuse O-ring.
  13. Apply a coat of Nissan PSF or equivalent to O-ring and install O-ring to housing.
    NOTE: Do not reuse O-ring.
    Fig 6: Installing Rear Cover To Housing
    G02025443Courtesy of NISSAN MOTOR CO., U.S.A.
  14. Install suction pipe to housing.
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