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Piston, Crankshaft And Oil Jet

WARNING: This page is about a different car, the 2002 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove engine. Refer to "REMOVAL AND INSTALLATION ".
  2. Place engine on a work stand.
  3. Drain coolant and oil.
  4. Remove oil pan. Refer to "REMOVAL ".
  5. Remove timing chain. Refer to "REMOVAL ".
  6. Remove cylinder head. Refer to "REMOVAL ".
    Fig 1: Locating Engine Front Side
    G02010648Courtesy of NISSAN MOTOR CO., U.S.A.
  7. Remove pistons with connecting rods.
    • When disassembling piston and connecting rod, remove snap ring first, then heat piston to 60 to 70°C (140 to 158°F).
  8. Remove rear oil seal retainer.
    CAUTION:
    • When piston rings are not replaced, make sure that piston rings are mounted in their original positions.
    • When replacing piston rings, if there is no punchmark, install with either side up.
      Fig 2: Identifying Piston Heater
      G02010649Courtesy of NISSAN MOTOR CO., U.S.A.
  9. Loosen bolts in numerical order as shown and remove main bearing beam, bearing cap and crankshaft.
    • Before removing bearing beam and bearing cap, measure crankshaft end play. Refer to " ASSEMBLY  ". 
    • Bolts should be loosened in two or three steps. 
      Fig 3: Loosening Bolts In Numerical Order
      G02010650Courtesy of NISSAN MOTOR CO., U.S.A.
  10. Remove oil jets.
    Fig 4: Locating Knock Pin
    G02010651Courtesy of NISSAN MOTOR CO., U.S.A.
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