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Oil Pan: Removal

WARNING: This page is about a different car, the 2003 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.
WARNING:
  • Place vehicle on a flat and solid surface.
  • You should not remove oil pan until exhaust system and cooling system have completely cooled off.

    Otherwise, you may burn yourself and/or fire may break out in the fuel line.

  • When removing front engine mounting nuts, lift up slightly engine for safety work.
CAUTION: When removing the aluminum oil pan from engine, first remove the crankshaft position sensor (POS) from the assembly.
Be careful not to damage sensor edges and signal plate teeth.
  1. Remove front RH and LH wheels.
  2. Remove battery.
  3. Remove oil level gauge.
  4. Remove engine undercover.
  5. Remove suspension member stay.
  6. Drain engine coolant from radiator drain plug.
  7. Disconnect A/T oil cooler hoses. (A/T)
  8. Drain engine oil.
  9. Remove the crankshaft position sensor (POS).
  10. Remove drive belts and idler pulley with bracket.
  11. Remove power steering oil pump, then put it aside holding with a suitable wire.
  12. Remove alternator.
  13. Install engine slingers.
    14. Fig 1: Installing Engine Slingers Front And Rear
    G02032151Courtesy of NISSAN MOTOR CO., U.S.A.
  14. Remove front propeller shaft. (4WD)

    Refer to REMOVAL AND INSTALLATION .

  15. Remove exhaust front tube heat insulators, then remove rear heated oxygen sensors.
  16. Remove exhaust front tube from both sides.

    Refer to REMOVAL AND INSTALLATION .

  17. Remove front final drive. (4WD)

    Refer to REMOVAL AND INSTALLATION .

  18. Remove starter motor.
  19. Disconnect oil pressure switch harness connector.
  20. Loosen and disconnect the bolts fixing the steering column assembly lower joint and the power steering gear.
    Fig 2: Loosening And Disconnecting Bolts Fixing Steering Column Assembly Lower Joint
    G02032152Courtesy of NISSAN MOTOR CO., U.S.A.
  21. Set a suitable transmission jack under the front suspension member and hoist engine with engine slingers.
    Fig 3: Hoisting Engine With Engine Slingers
    G02032153Courtesy of NISSAN MOTOR CO., U.S.A.
  22. Remove front engine mounting nuts from both sides.
    Fig 4: Removing Front Engine Mounting Nuts From Both Sides
    G02032154Courtesy of NISSAN MOTOR CO., U.S.A.
  23. Remove front suspension member bolts and nuts.
  24. Lower the transmission jack carefully to secure clearance between the oil pan and suspension member.
  25. Remove A/T oil cooler tube. (A/T)
  26. Remove water hose and tube. (A/T)
    Fig 5: Identifying Front Suspension Member Bolts And Nuts (Right Side)
    G02032155Courtesy of NISSAN MOTOR CO., U.S.A.
    Fig 6: Identifying Front Suspension Member Bolts And Nuts (Left Side)
    G02032156Courtesy of NISSAN MOTOR CO., U.S.A.
  27. Remove the four engine-to-transmission bolts.
  28. Loosen steel oil pan bolts in reverse order of tightening. Refer to COMPONENTS .
    Fig 7: Identifying Four Engine-To-Transmission Bolts
    G02032157Courtesy of NISSAN MOTOR CO., U.S.A.
  29. Remove steel oil pan.
    1. Insert seal cutter (special service tool) between aluminum oil pan and steel oil pan.
      • Be careful not to damage aluminum mating surface. 
      • Do not insert screwdriver, or oil pan flange will be deformed. 
    2. Slide seal cutter by tapping on the side of the tool with a hammer.
      Fig 8: Using Slide Seal Cutter By Tapping On Side Of Tool With Hammer
      G02032158Courtesy of NISSAN MOTOR CO., U.S.A.
  30. Remove plug from rear right of aluminum oil pan.
    • Plug position is under No. 4 bolt in the figure.
  31. Remove aluminum oil pan bolts in numerical order.
    32. Fig 9: Removing Aluminum Oil Pan Bolts In Numerical Order
    G02032159Courtesy of NISSAN MOTOR CO., U.S.A.
  32. Remove aluminum oil pan.
    1. Insert seal cutter between aluminum oil pan and cylinder block.
      • Be careful not to damage aluminum mating surface. 
      • Do not insert screwdriver, or oil pan flange will be deformed. 
    2. Slide seal cutter by tapping its side with a hammer.
  33. Remove O-rings from cylinder block and oil pump body.
    Fig 10: Removing O-Rings From Cylinder Block And Oil Pump Body
    G02032160Courtesy of NISSAN MOTOR CO., U.S.A.
  34. Remove front cover gasket and rear oil seal retainer gasket.
    Fig 11: Removing Front Cover Gasket And Rear Oil Seal Retainer Gasket
    G02032161Courtesy of NISSAN MOTOR CO., U.S.A.
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