Power Steering Oil Pump: Assembly

Assemble oil pump, noting the following instructions.

• 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 II or equivalent when assembling.
  Fig 1: Installing O-Rings And Oil Seal

  
• Pay attention to rotor direction.
  Fig 2: Locating Punchmark On Rotor

  
• When assembling vanes to rotor, rounded surfaces of vanes must face cam ring side.
  Fig 3: Assembling Vanes To Rotor

  
• 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 4: Inserting Pin (2) Into Pin Groove (1) Of Front Housing And Front Side Plate