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Home >> Nissan-Datsun >> 2004 >> Sentra SE-R >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transaxle - Re4F04B >> Repair For Component Parts >> Oil Pump >> Assembly
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Oil Pump: Assembly

  1. Install oil seal on oil pump housing.
    Fig 1: Installing Oil Seal On Oil Pump
    G00902000Courtesy 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
    G00902001Courtesy of NISSAN MOTOR CO., U.S.A.
  3. Install inner and outer gears on oil pump housing.
    • Be careful of direction of inner gear. 
    Fig 3: Installing Inner And Outer Gears On Oil Pump Housing
    G00902002Courtesy 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 a crisscross pattern. Tighten oil pump cover bolts to the specified torque. Refer to "COMPONENTS "
    Fig 4: Identifying Tightening Sequence Of Oil Pump Cover Bolts
    G00902003Courtesy 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. The ring may be deformed. 
    Fig 5: Installing Seal Rings
    G00902004Courtesy of NISSAN MOTOR CO., U.S.A.
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