Oil Pump: Assembly

Install oil seal on oil pump housing.

Fig 1: Installing Oil Seal On Oil Pump Housing
Courtesy of NISSAN MOTOR CO., U.S.A.
Install O-ring on oil pump housing.
- Apply ATF to O-ring.
Fig 2: Installing O-Ring On Oil Pump Housing
Courtesy of NISSAN MOTOR CO., U.S.A.
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
Courtesy of NISSAN MOTOR CO., U.S.A.
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 OIL PUMP .
Fig 4: Tightening Oil Pump Cover Bolts In Crisscross Direction
Courtesy of NISSAN MOTOR CO., U.S.A.
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 Oil Pump Seal Ring

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