Disassembly and Assembly: Assembly

WARNING: This page is about a different car, the 2013 Nissan Armada. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Removing Pilot Converter Using Tool

Courtesy of NISSAN NORTH AMERICA, INC.

Fully air-blow the coolant and oil passages in the cylinder block, cylinder bore, and crankcase to remove any foreign material.
WARNING: Use goggles to protect your eyes.

Install each plug to the cylinder block (only screw-type plugs are shown).

Apply liquid gasket.
Use Genuine Thread Sealant or equivalent. Refer to "RECOMMENDED CHEMICAL PRODUCTS AND SEALANTS ".

Tighten each plug as specified below.

CAUTION: Do not reuse copper sealing washers.

NOTE: For cylinder block heater equipped engines, water drain plug (C) shown is not a water drain plug but a cylinder block heater.

Fig 2: Identifying Cylinder Block Drain Plugs

Courtesy of NISSAN NORTH AMERICA, INC.

Part	Washer	Tightening torque
A	Yes	53.9 N.m (5.5 kg-m, 40 ft-lb)
B	No	19.6 N.m (2.0 kg-m, 15 ft-lb)
C	Yes	62.7 N.m (6.4 kg-m, 46 ft-lb)
D	Yes	62.7 N.m (6.4 kg-m, 46 ft-lb)
Cylinder block heater	Yes	73.5 N.m (7.5 kg-m, 54 ft-lb)

Fig 3: Identifying Oil Groove, Block Side And Cap Side

Courtesy of NISSAN NORTH AMERICA, INC.

Install main bearings and thrust bearings.
1. Remove any dust, dirt, and oil on the bearing mating surfaces of the cylinder block and main bearing caps.
2. Install thrust bearings to both sides of the No. 3 journal housing on the cylinder block and main bearing caps
  - Install thrust bearings with the oil groove facing the crankshaft arm (outside).
  - Install thrust bearings with a protrusion in the center on the main bearing caps.
    
    Fig 4: Identifying Main Bearing, Thrust Bearing And Related Components
    Courtesy of NISSAN NORTH AMERICA, INC.
3. Install main bearings paying attention to the direction.
  - Install the one with oil holes onto the cylinder block and the one without oil holes onto the main bearing cap.
  - Before installing bearings, apply engine oil to bearing surface (inside). Do not apply oil to the back surface, but thoroughly clean it.
  - When installing, align the bearing stopper to the notch.
  - Ensure the oil holes on the cylinder block and those on the corresponding bearing are aligned.
Install pilot converter to the crankshaft using suitable tool.
Install crankshaft to the cylinder block.
- While turning crankshaft by hand, make sure it turns smoothly.
  
  Fig 5: Installing Pilot Converter To Crankshaft Using Tool
  Courtesy of NISSAN NORTH AMERICA, INC.
Install main bearing caps.
- Align the identification number to the journal position to install.
- Install it with the front mark (indicated by the arrow) facing the front of engine.
- Tap caps lightly to seat them in the installation position.
  
  Fig 6: Identifying Front Mark And Journal Identification Number
  Courtesy of NISSAN NORTH AMERICA, INC.
Follow the steps below to tighten each main bearing cap bolt.
1. Apply engine oil to threads and seating surfaces of bolts, and tighten all bolts temporarily.
  Main bearing cap bolts in order of 1 to 10: 39.2 N.m (4.0 kg-m, 29 ft.-lb)
  
  Main bearing cap sub bolts in order of 11 to 20: 29.4 N.m (3.0 kg-m, 22 ft-lb)
  
  Fig 7: Identifying Tightening Sequence Of Main Bearing Cap Bolt And Sub Bolts
  Courtesy of NISSAN NORTH AMERICA, INC.
2. Measure tightening angle using Tool.
  Tool number: KV10112100 (BT-8653-A)
  
  CAUTION: Measure tightening angle using Tool. Do not measure visually.
  
  Main bearing cap bolts in order of 1 to 10: 40°
  
  Main bearing cap sub bolts in order of 11 to 20: 30°
  
  Side bolts in order of 21 to 30: 49 N.m (5.0 kg-m, 36 ft-lb)
  
  Fig 8: Measuring Angle Of Main Bearing Cap Bolt Using Tool
  Courtesy of NISSAN NORTH AMERICA, INC.
  - Rotate crankshaft by hand after bolts are tightened. Check if it rotates smoothly.
  - Check crankshaft side clearance. Refer to "INSPECTION AFTER DISASSEMBLY ".
Install the rear oil seal.
- Install the rear oil seal so that each seal lip is oriented as shown below.
  - (A): Oil seal lip
  - (B): Dust seal lip
  - <==: Engine inside
  - <==: Engine outside
    
    Fig 9: Identifying Rear Oil And Dust Seal Lip
    Courtesy of NISSAN NORTH AMERICA, INC.
- Press in rear oil seal (1) to the position as shown below.
  (a): 0 - 0.5 mm (0 - 0.020 in)
  
  Fig 10: Identifying Rear Oil Seal Dimension
  Courtesy of NISSAN NORTH AMERICA, INC.
  - (B): Rear oil seal retainer rear end face
- Press-fit the rear oil seal using suitable tool.
  CAUTION:
  - Do not damage the crankshaft or cylinder block.
  - Press-fit the oil seal straight to avoid causing burrs or tilting.
  - Do not touch grease applied onto the oil seal lip.
  - Do not damage or scratch the outer circumference of the rear oil seal.
- Tap until flattened with the front edge of the oil seal retainer.
  
  Fig 11: Pressing To Fit Rear Oil Seal Using Tool
  Courtesy of NISSAN NORTH AMERICA, INC.
Install rear oil seal retainer.
- Apply liquid gasket thoroughly to rear oil seal retainer as shown below.
  Use Genuine RTV Silicone Sealant or equivalent. Refer to "RECOMMENDED CHEMICAL PRODUCTS AND SEALANTS ".
- Apply new engine oil on the lips of rear oil seal. Do not touch.
  
  Fig 12: Identifying Liquid Gasket Applying Area On Rear Oil Seal Retainer
  Courtesy of NISSAN NORTH AMERICA, INC.
Install the piston to the connecting rod.
1. Install the snap ring to the grooves of the piston rear side.
  - Insert it fully into the groove to install.
2. Install the piston to the connecting rod.
  - 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 the piston pin into the piston and the connecting rod.
  - Assemble so that the front mark on the piston crown and the oil holes and cylinder No. on the connecting rod are positioned as shown below.
    WARNING: Piston contains heat. When working, wear protective equipment to avoid getting burned.
3. Install the snap ring to the grooves of the piston front side.
  - Insert it fully into the groove to install.
  - After installing, make sure connecting rod moves smoothly.
    
    Fig 13: Identifying Front Mark On Piston Crown And Oil Holes And Cylinder No. On Connecting Rod
    Courtesy of NISSAN NORTH AMERICA, INC.
Install piston rings.
CAUTION: Do not damage piston.
- Position each ring with the gap as shown below, referring to the piston front mark.
- Install the second ring with the stamped surface facing upward.
  Stamped mark Second ring: 2N
  
  Fig 14: Identifying Piston Ring Gap
  Courtesy of NISSAN NORTH AMERICA, INC.
Install the connecting rod bearings to the connecting rod and connecting rod cap.
- When installing the connecting rod bearings, apply engine oil to the bearing surface (inside). Do not apply oil to the back surface, but thoroughly clean it.
- When installing, align the connecting rod bearing stopper protrusion with the cutout of the connecting rod to install.
- Check that the oil holes on the connecting rod and those on the corresponding bearing are aligned.
  
  Fig 15: Identifying Connecting Rod Cutout And Protrusion
  Courtesy of NISSAN NORTH AMERICA, INC.
Install the piston and connecting rod assembly to the crankshaft using Tool.
Tool number: EM03470000 (J-8037)

Fig 16: Installing Piston And Connecting Rod Assembly To Crankshaft Using Tool
Courtesy of NISSAN NORTH AMERICA, INC.
- Position the crankshaft pin corresponding to the connecting rod to be installed onto bottom dead center.
- Apply engine oil sufficiently to the cylinder bore, piston, and crankshaft pin.
- Match the cylinder position with the cylinder No. on the connecting rod to install.
- Install the piston with the front mark on the piston crown facing the front of the engine.
  CAUTION: Be careful not to damage the crankshaft pin, resulting from an interference of the connecting rod big end.
Install connecting rod cap.
- Match the stamped cylinder number marks on the connecting rod with those on the cylinder cap to install.
  
  Fig 17: Identifying Stamped Cylinder Number Marks On Connecting Rod
  Courtesy of NISSAN NORTH AMERICA, INC.
Tighten connecting rod bolts using Tool.
Tool number: KV10112100 (BT-8653-A)

Connecting rod bolts

Step 1: 29.4 N.m (3.0 kg-m, 22 ft-lb)

Step 2: Loosen to 0 N.m

Step 3: 19.6 N.m (1.5 kg-m, 11 ft-lb)

Step 4: 90° clockwise

Fig 18: Measuring Connecting Rod Bolt Angle Using Tool
Courtesy of NISSAN NORTH AMERICA, INC.
- Apply engine oil to threads and seats of connecting rod bolts.
- After tightening bolts, make sure the crankshaft rotates smoothly.
- Check connecting rod side clearance. Refer to "INSPECTION AFTER DISASSEMBLY ".
Install knock sensors.
CAUTION: If knock sensor is dropped, replace it with a new one.
- Make sure that there is no foreign material on the cylinder block mating surface and the back surface of knock sensor.
- Install it with its connector facing the center of the cylinder block side.
- Do not tighten knock sensor bolts while holding connector.
- Make sure knock sensor does not interfere with other parts.
  
  Fig 19: Identifying Knock Sensor
  Courtesy of NISSAN NORTH AMERICA, INC.
- Position the sub-harness as shown below before installing intake manifold.
  
  Fig 20: Identifying Knock Sensor, Engine Coolant Temperature Sensor And Sub Harness
  Courtesy of NISSAN NORTH AMERICA, INC.
Installation of the remaining components is in the reverse order of removal.
Remove engine assembly from engine stand.
Install drive plate.
- Align dowel pin of crankshaft rear end with pin holes of each part to install.
  
  Fig 21: Identifying Drive Plate, Pin Hole, Dowel Pin And Reinforcement Plate
  Courtesy of NISSAN NORTH AMERICA, INC.
- Install drive plate, reinforcement plate and pilot converter (if not installed in step 4) as shown below.
- Face the chamfered or rounded edge side to the crankshaft.
  
  Fig 22: Identifying Crankshaft Rear Edge, Drive Plate, Reinforcement Plate And Pilot Converter
  Courtesy of NISSAN NORTH AMERICA, INC.