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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 76 (Engine Mechanical) >> Removal And Installation >> Oil Pan And Oil Strainer >> Removal and Installation (Upper Oil Pan) >> Removal

Removal and Installation (Upper Oil Pan): Removal

WARNING: This page is about a different car, the 2018 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
WARNING:
  • Do not remove the oil pan until the exhaust system and cooling system have completely cooled off.
  • When removing the front and rear engine through bolts and nuts, lift the engine up slightly for safety. For engine slingers, refer to Removal and Installation .
CAUTION: When removing the upper oil pan from the engine, first remove the crankshaft position sensor (POS).

Be careful not to damage sensor edges or signal plate teeth.

NOTE: When removing components such as hoses, tubes/lines, etc., cap or plug openings to prevent fluid from spilling.
  1. Remove the engine from the vehicle. Refer to Removal and Installation .
  2. Drain the engine oil. Refer to Changing Engine Oil .
  3. Remove the oil level gauge guide.
  4. Remove the drive belt. Refer to Removal and Installation .
  5. Disconnect the A/C compressor harness connector.
  6. Remove the A/C compressor bolts and remove the A/C compressor. Refer to Removal and Installation .
  7. Remove the drive plate. Refer to Exploded View .
  8. Remove coolant pipe bolts. Refer to Exploded View .
  9. Disconnect the coolant lines from the engine oil cooler.
  10. Remove the oil filter and engine oil cooler from the upper oil pan.
  11. Remove the oil pressure sensor, and the crankshaft position sensor (POS) from the upper oil pan.
  12. Remove the lower oil pan. Refer to Removal and Installation (Lower Oil Pan) .
  13. Remove the upper oil pan.
    Fig 1: Upper Oil Pan Bolt Loosening Sequence
    GNSAWBIA2763Z-763Courtesy of NISSAN NORTH AMERICA, INC.
    1. Loosen the bolts in the order as shown above, using power tool.
    2. Insert a suitable tool (A) into the notch (B) of the upper oil pan (1) as shown, below.
      GNSAWBIA2048Z-048Courtesy of NISSAN NORTH AMERICA, INC.
    3. Pry off the upper oil pan (1) by moving the suitable tool up and down (2) as shown, above.
  14. Remove the O-rings (2) from the bottom of the cylinder block (1) and oil pump housing. Use new O-rings for installation.
    GNSAWBIA2049Z-049Courtesy of NISSAN NORTH AMERICA, INC.

    SYMBOL

    : Engine front
    CAUTION: Do not reuse O-rings.
  15. Remove front cover gasket (A) and rear oil seal retainer gasket (B).
    GNSAWBIA2050Z-050Courtesy of NISSAN NORTH AMERICA, INC.

    SYMBOL

    : Engine front
    CAUTION: Do not reuse gaskets.
  16. Remove the oil strainer.
  17. If reinstalling the original oil pan, remove the old sealant from the mating surfaces using a suitable tool (A).
    GNSAWBIA2051Z-051Courtesy of NISSAN NORTH AMERICA, INC.
    • Also remove the old sealant from mating surface of the cylinder block.
    • Remove the old sealant from the bolt holes and threads.
    CAUTION: Do not scratch or damage the mating surfaces when cleaning off the old sealant.
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