Disassembly and Assembly: Disassembly: Assembly

• Apply sealant to the thread of water drain plugs "A" and "B".

  Use Genuine RTV Silicone Sealant or equivalent. Refer to " RECOMMENDED CHEMICAL PRODUCTS AND SEALANTS  " 

• Apply sealant to the thread of plugs "C".

  Use Genuine High Strength Thread Locking Sealant or equivalent. Refer to " RECOMMENDED CHEMICAL PRODUCTS AND SEALANTS  "  .

• Apply sealant to the thread of plug "D".

  Use Anaerobic Liquid Gasket or equivalent. Refer to " RECOMMENDED CHEMICAL PRODUCTS AND SEALANTS  "  .

  NOTE: For Canada, "D" in the figure is not plug but block heater. Refer to "DISASSEMBLY AND ASSEMBLY ".
• Replace washers with new one.
  Fig 1: Locating Engine Block Drain Plugs And Block Heater

  Courtesy of NISSAN MOTOR CO., U.S.A.
• Tighten each plug as specified below.

Block Plug and Block Heater Installation 

• Insert oil jet dowel pin into cylinder block dowel pin hole, and ' tighten bolts.

Fig 2: Identifying Oil Jet Dowel Pin Into Cylinder Block Dowel Pin Hole

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1. Remove dust, dirt, and engine oil on bearing mating surfaces of cylinder block and main bearing caps.
2. Install thrust bearings to the both sides of the No. 3 journal housing on cylinder block.
   • Install thrust bearings with the oil groove facing crankshaft arm (outside).
   • Install thrust bearing with a projection on one end on cylinder block, Align projection with mating notch.
   Fig 3: Identifying Thrust Bearing Installation Position

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3. Install main bearings paying attention to the direction.
   • Main bearing with oil hole and groove goes on cylinder block. The one without them goes on lower cylinder block.
   • Before installing main bearings, apply engine oil to the bearing surface (inside). Do not apply engine oil to the back surface, but thoroughly clean it.
   • When installing, align main bearing stopper protrusion to cutout of cylinder block and lower cylinder block.
   • Ensure the oil holes on cylinder block and those on the corresponding bearing are aligned.

Fig 4: Identifying Main Bearing Oil Hole And Oil Groove

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• While turning crankshaft by hand, check that it turns smoothly.

1. Apply a continuous bead of liquid gasket using Tool to lower cylinder block as shown below.

   Tool number : WS39930000 (-) 

   Use Genuine RTV Silicone Sealant or equivalent. Refer to " RECOMMENDED CHEMICAL PRODUCTS AND SEALANTS  "  .

   CAUTION: After liquid gasket is applied, rear oil seal installation must be finished within 5 minutes. Therefore, the following procedure must be performed quickly.
2. Tighten lower cylinder block as follows:
   Fig 5: Identifying Continuous Bead Of Liquid Gasket Using Tool To Lower Cylinder Block

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   1. Apply new engine oil to threads and seat surfaces of the bolts.
   2. Tighten M8 bolts in numerical order as shown below from No. 17 to 24.

      Bolts 17-24 : 22.1 N.m (2.3 kg-m, 16 ft-lb) 

      CAUTION: Wipe off completely any protruding liquid gasket on rear oil seal installation surface.
      NOTE: There are more processes to complete the tightening bolts. However stop procedure here to install rear oil seal.
3. Install rear oil seal. Refer to "INSTALLATION ".
   Fig 6: Tightening Sequence Of Lower Cylinder Block Bolts (M8)

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4. Restart tightening of lower cylinder block bolts as follows:

1. Tighten M10 bolts in numerical order as shown below from No. 1 to 16.
   NOTE: Use TORX socket (size E14) for bolts No. 1 to 16 (M10 bolt).

   Bolts 1-16 : 35.3 N.m (3.6 kg-m, 26 ft-lb) 

   Fig 7: Tightening Sequence Of Lower Cylinder Block Bolts (M10)

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2. Turn M10 bolts 90° clockwise in numerical order from No. 1 to 16 using Tool.

   Tool number : KV10112100 (BT-8653-A) 

   CAUTION: Use angle wrench Tool to check tightening angle. Do not make judgement by visual inspection.
   Fig 8: Checking Lower Cylinder Block Bolts Angle

   Courtesy of NISSAN MOTOR CO., U.S.A.
   • After installing the bolts, make sure that crankshaft can be rotated smoothly by hand.
   • Wipe off completely any protruding liquid gasket on front side of the engine.
   • Check the crankshaft end play. Refer to "CRANKSHAFT END PLAY ".

1. Install new snap ring to the groove of piston rear side using suitable tool.
   • Insert it fully into groove to install.
2. Install piston to connecting rod.
   • Using industrial use drier or similar tool, heat piston until piston pin can be pushed in by hand without excess force [approx. 60° to 70 °C (140° to 158 °F)]. From the front to the rear, insert piston pin into piston and connecting rod.
   • Assemble so that the front mark on the piston head and the cylinder number on connecting rod are positioned as shown below.
3. Install new snap ring to the groove of the piston front side.
   • Insert it fully into groove to install.
   • After installing, make sure that connecting rod moves smoothly.

Fig 9: Identifying Cylinder Number And Piston Grade Number

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Fig 10: Installing Piston Rings Using Piston Ring Expander

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• If there is stamped mark on ring, mount it with marked side up.
  NOTE: If there is no stamp on ring, no specific orientation is required for installation.

  Stamped mark: 

  1. Top ring : - 
  2. Second ring : R 
  Fig 11: Identifying Piston Rings Installation Position

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• Position each ring with the gap as shown belowreferring to the piston front mark.
  Fig 12: Identifying Piston Ring Gap

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• Check the piston ring side clearance. Refer to "PISTON RING SIDE CLEARANCE ".

• Before installing connecting rod bearings, apply engine oil to the bearing surface (inside). Do not apply engine oil to the back surface, but thoroughly clean it.
• When installing, align connecting rod bearing stopper protrusion with cutout of connecting rods and connecting rod bearing caps to install.
• Ensure the oil hole on connecting rod and that on the corresponding bearing are aligned.

Fig 13: Aligning Connecting Rod Bearing Stopper Protrusion With Connecting Rods And Connecting Rod Bearing Caps Cutout

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Tool number : EM03470000 (J-8037) 

Fig 14: Installing Piston

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• Match the stamped cylinder number marks on connecting rod with those on connecting rod bearing cap to install.
• Be sure that front mark on connecting rod bearing cap is facing front of engine.

Fig 15: Matching Connecting Rod Stamped Cylinder Number Marks With Connecting Rod Bearing Cap Mark

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1. Apply engine oil to the threads and seats of connecting rod bolts.
2. Tighten connecting rod bolts.

   Connecting rod bolt : 19.6 N.m (2.0 kg-m, 14 ft-lb) 

Tool number : KV10112100 (BT-8653-A) 

• After tightening connecting rod bolts, make sure that crankshaft rotates smoothly.
• Check the connecting rod side clearance. Refer to "CONNECTING ROD SIDE CLEARANCE ".

Fig 16: Locating Connecting Rod Bolts

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• With drift of the following outer diameter, press-fit as far as it will go.

  Pilot converter : Approx. 33 mm (1.30 in) 

  Fig 17: Installing Pilot Converter (A/T Models)

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• Press-fit pilot converter with its chamfer facing crankshaft as shown below. (A/T models)

Fig 18: Identifying Pilot Converter Chamfer Face

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• Install knock sensor so that connector faces rear of engine.
• After installing knock sensor, connect harness connector, and lay it out to rear of engine.
  CAUTION:

  • Do not tighten bolts while holding connector.
  • If any impact by dropping is applied to knock sensor, replace it with new one.
  NOTE:

  • Make sure that there is no foreign material on the cylinder block mating surface and the back surface of knock sensor.
  • Make sure that knock sensor does not interfere with other parts.

Fig 19: Identifying Knock Sensors

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Drive plate (A/T models) 

• Install drive plate and reinforcement plate as shown below.
• Holding ring gear using Tool.

  Tool number : KV10117700 (J-44716) 

• Tighten bolts crosswise over several times.