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Oil Pump: Assembly

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  1. Install oil seal on oil pump housing using Tool.
    Fig 1: Installing Oil Seal On Oil Pump
    G00899767Courtesy of NISSAN MOTOR CO., U.S.A.
  2. Install O-ring on oil pump housing.
    • Apply ATF to O-ring. 
    Fig 2: Installing O-Ring On Oil Pump Housing
    G00899768Courtesy of NISSAN MOTOR CO., U.S.A.
  3. Install inner and outer gears on oil pump housing.
    • Take care with the direction of the inner gear. 
    Fig 3: Installing Inner And Outer Gears On Oil Pump Housing
    G00899769Courtesy of NISSAN MOTOR CO., U.S.A.
  4. Install oil pump cover on oil pump housing.
    1. Wrap masking tape around splines of oil pump cover assembly to protect seal. Position oil pump cover assembly on oil pump housing assembly, then remove masking tape.
    2. Tighten bolts in numerical order.
    Fig 4: Identifying Tightening Sequence Of Oil Pump Cover Bolts
    G00899770Courtesy of NISSAN MOTOR CO., U.S.A.
  5. Install new seal rings carefully after packing ring groove with petroleum jelly.
    • Do not spread gap of seal ring excessively while installing. It may deform the ring. 
    Fig 5: Installing Seal Rings
    G00899771Courtesy of NISSAN MOTOR CO., U.S.A.
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