Disassembly and Assembly: Assembly

Assemble oil pump, noting the following.

• Make sure O-rings and oil seal are properly installed.
• Always install new O-rings and oil seal.
• Be careful of oil seal direction.
• Cam ring, rotor and vanes must be replaced as a set if necessary.
• Coat each part with Genuine NISSAN PSF or equivalent, refer to RECOMMENDED FLUIDS AND LUBRICANTS , when assembling.
• Pay attention to the direction of rotor.
  Fig 1: Identifying Punch Mark On Rotor

  Courtesy of NISSAN MOTOR CO., U.S.A.
• When assembling vanes to rotor, flat surfaces of vanes must face inside of rotor (rounded surfaces of vanes face cam ring side).
  Fig 2: Identifying Flat Surfaces Of Vanes

  Courtesy of NISSAN MOTOR CO., U.S.A.
• Insert pin 2 into pin groove 1 of front housing and front side plate. Then install cam ring 3 as shown at left.
  • Cam ring: D ₁  is less than D ₂  . 
  Fig 3: Inserting Pin 2 Into Pin Groove 1 Of Front Housing & Front Side Plate

  Courtesy of NISSAN MOTOR CO., U.S.A.