Disassembly and Assembly: Assembly

WARNING: This page is about a different car, the 2005 Nissan 350Z. However, it is still accessible from the selected car via links, so may be relevant.

Fully air-blow engine coolant and engine oil passages in cylinder block, cylinder bore and crankcase to remove any foreign material.
CAUTION: Use a goggles to protect your eye.

Install each plug to cylinder block as shown in the figure.

Apply sealant to the thread of water drain plugs "A", "B" and "C".
Use Genuine RTV Silicone Sealant or equivalent. Refer to " RECOMMENDED CHEMICAL PRODUCTS AND SEALANTS ".
Apply sealant to the thread of plugs "D" and "E".
Use Genuine High Strength Thread Locking Sealant or equivalent. Refer to " RECOMMENDED CHEMICAL PRODUCTS AND SEALANTS ".
Apply sealant to the thread of plug "F".
Use Anaerobic Liquid Gasket or equivalent. Refer to " RECOMMENDED CHEMICAL PRODUCTS AND SEALANTS ".
Replace washers with new one.

Fig 1: Apply sealant to the thread of water drain plugs "A", "B", "C" & thread of plugs "D", "E" &"F"
Courtesy of NISSAN MOTOR CO., U.S.A.
Tighten each plug as specified below.

PLUG TIGHTENING TORQUE SPECIFICATION

Part	Washer	Tightening torque
A	No	9.8 N.m (1.0 kg-m, 87 in-lb)
B	No	19.6 N.m (2.0 kg-m, 14 ft-lb)
C	No	19.6 N.m (2.0 kg-m, 14 ft-lb)
D	Yes	12.3 N.m (1.3 kg-m, 9 ft-lb)
E	Yes	62 N.m (6.3 kg-m, 46 ft-lb)
F	Yes	62 N.m (6.3 kg-m, 46 ft-lb)

Install oil jet.
- Insert oil jet dowel pin into cylinder block dowel pin hole, and tighten mounting bolts.
Fig 2: Insert Oil Jet Dowel Pin Into Cylinder Block Dowel Pin Hole, & Tighten Mounting Bolts
Courtesy of NISSAN MOTOR CO., U.S.A.
Install main bearings and thrust bearings as follows:
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 and main bearing cap.
  - Install thrust bearings with the oil groove facing crankshaft arm (outside).
  - Install thrust bearing with a protrusion on one end on cylinder block, and thrust bearing with a protrusion at center on cap. Align each protrusion with mating notch.
  Fig 3: Installing Thrust Bearing
  Courtesy of NISSAN MOTOR CO., U.S.A.
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 main bearing cap.
  - 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 main bearing caps.
  - Ensure the oil holes on cylinder block and those on the corresponding bearing are aligned.
  Fig 4: Exploded View Of Main Bearing
  Courtesy of NISSAN MOTOR CO., U.S.A.
Install crankshaft to cylinder block.
- While turning crankshaft by hand, check that it turns smoothly.
Install main bearing cap.
- Main bearing caps are identified by identification mark cast on them. For installation, face front mark to front side.
NOTE: Main bearing cap cannot be replaced as a single part, because it is machined together with cylinder block.

Fig 5: Identification Marks On Main Bearing Cap
Courtesy of NISSAN MOTOR CO., U.S.A.
Install main bearing beam.
- Install main bearing beam with front mark facing downward (oil pan side).
- Install main bearing beam with front mark facing front of engine.
Fig 6: Installing Main Bearing Beam
Courtesy of NISSAN MOTOR CO., U.S.A.
Inspect the outer diameter of main bearing cap bolt. Refer to "MAIN BEARING CAP BOLT OUTER DIAMETER ".
Install main bearing cap bolts in numerical order as shown in the figure as follows:
1. Apply new engine oil to threads and seat surfaces of main bearing cap bolts.
2. Tighten main bearing cap bolts in several different steps.
  - Torque Specifications: 32.3 - 38.3 N.m (3.3 - 3.9 kg-m, 24 - 28 ft-lb)
  Fig 7: Install Main Bearing Cap Bolts In Numerical Order
  Courtesy of NISSAN MOTOR CO., U.S.A.
3. Turn all bolts another 90 to 95 degrees clockwise [Target: 90 degrees (Angle tightening)].
  CAUTION: Use angle wrench [SST: KV10112100 (BT8653-A)] to check tightening angle. Do not make judgment by visual inspection.
  - After installing main bearing cap bolts, make sure that crankshaft can be rotated smoothly by hand.
  - Check the crankshaft end play. Refer to "CRANKSHAFT END PLAY ".
Fig 8: Turn All Bolts Another 90 To 95 Degrees Clockwise [Target: 90 Degrees (Angle Tightening)]
Courtesy of NISSAN MOTOR CO., U.S.A.
Inspect the outer diameter of connecting rod bolt. Refer to "CONNECTING ROD BOLT OUTER DIAMETER ".
Install piston to connecting rod as follows:
1. Using snap ring pliers, install new snap ring to the groove of piston rear side.
  - 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 in the figure.
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: Piston & Components
Courtesy of NISSAN MOTOR CO., U.S.A.
Using piston ring expander (commercial service tool), install piston rings.
CAUTION:
- When installing piston rings, be careful not to damage piston.
- Be careful not to damage piston rings by expending them excessively.
Fig 10: Installing Piston Rings
Courtesy of NISSAN MOTOR CO., U.S.A.
- 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:
  - Top ring: -
  - Second ring: R
  Fig 11: Piston Rings Groove
  Courtesy of NISSAN MOTOR CO., U.S.A.
- Position each ring with the gap as shown in the figure referring to the piston front mark.
  
  Fig 12: Positioning Each Ring With Gap, Referring To The Piston Front Mark
  Courtesy of NISSAN MOTOR CO., U.S.A.
- Check the piston ring side clearance. Refer to "PISTON RING SIDE CLEARANCE ".
Install connecting rod bearings to connecting rod and connecting rod bearing cap.
- 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: Installing Connecting Rod Bearing Stopper Protrusion
Courtesy of NISSAN MOTOR CO., U.S.A.
Install piston and connecting rod assembly to crankshaft.
- Position crankshaft pin corresponding to connecting rod to be installed onto the bottom dead center.
- Apply engine oil sufficiently to the cylinder bore, piston and crankshaft pin journal.
- Match the cylinder position with the cylinder number on connecting rod to install.
- Be sure that front mark on piston head is facing front of engine.
- Using piston ring compressor [SST] or suitable tool, install piston with the front mark on the piston head facing the front of engine.
CAUTION: Be careful not to damage the cylinder wall and crankshaft pin, resulting from an interference of the connecting rod big end.

Fig 14: Installing Piston & Connecting Rod Assembly To Crankshaft
Courtesy of NISSAN MOTOR CO., U.S.A.
Install connecting rod bearing cap.
- 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: Installing Connecting Rod Bearing Cap
Courtesy of NISSAN MOTOR CO., U.S.A.
Tighten connecting rod bolts as follows:
1. Apply engine oil to the threads and seats of connecting rod bolts.
2. Tighten connecting rod bolts.
  - Torque Specifications: 18.6 - 20.6 N.m (1.9 - 2.1 kg-m, 14 - 15 ft-lb)
3. Then tighten all bolts 90 to 95 degrees clockwise [target: 90 degrees (Angle tightening)].
  CAUTION: Use angle wrench [SST: KV10112100 (BT8653-A)] to check tightening angle. Do not make judgment by visual inspection.
  - 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: Tightening All Bolts 90 To 95 Degrees Clockwise [Target: 90 Degrees (Angle Tightening)]
Courtesy of NISSAN MOTOR CO., U.S.A.
Install baffle plate to main bearing beam.
Install new rear oil seal retainer to cylinder block.
- Apply new engine oil to both oil seal lip and dust seal lip.
- Apply a continuous bead of liquid gasket with tube presser [SST: WS39930000 ( - )] to rear oil seal retainer as shown in the figure.
  Use Genuine RTV Silicone Sealant or equivalent. Refer to " RECOMMENDED CHEMICAL PRODUCTS AND SEALANTS ".
CAUTION: Replace with a new parts.

NOTE: Regard both rear oil seal and retainer as an assembly.

Fig 17: Applying Continuous Bead Of Liquid Gasket With Tube Presser To Rear Oil Seal Retainer
Courtesy of NISSAN MOTOR CO., U.S.A.
Install pilot bushing (M/T models) or pilot converter (A/T models).
- With drift of the following outer diameter, press-fit as far as it will go.
  Pilot bushing: Approx. 17 mm (0.67 in)
  
  Pilot converter: Approx. 33 mm (1.30 in)
  
  Fig 18: Installing Pilot Bushing (M/T Models) Or Pilot Converter (A/T Models)
  Courtesy of NISSAN MOTOR CO., U.S.A.
- Press-fit pilot bushing as the dimension in the figure. (M/T models)
  
  Fig 19: Pilot Bushing Dimension
  Courtesy of NISSAN MOTOR CO., U.S.A.
- Press-fit pilot converter with its chamfer facing crankshaft as shown in the figure. (A/T models)
Fig 20: Chamfer Facing Crankshaft
Courtesy of NISSAN MOTOR CO., U.S.A.
Install knock sensor.
- Install knock sensor so that connector faces front of engine.
- After installing knock sensor, connect harness connector, and lay it out to rear of engine.
CAUTION:
- Do not tighten mounting 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 21: Installing Knock Sensor
Courtesy of NISSAN MOTOR CO., U.S.A.
Note the following, assemble in the reverse order of disassembly after this step.
Flywheel (M/T models)
- When installing flywheel to crankshaft, be sure to correctly align crankshaft side dowel pin and flywheel side dowel pin hole.
  
  Fig 22: Installing Crankshaft Side Dowel Pin & Flywheel Side Dowel Pin Hole
  Courtesy of NISSAN MOTOR CO., U.S.A.
- There is a mating mark on the clutch cover side of flywheel. Refer it during installation.
  
  Fig 23: Mating Mark On Clutch Cover Side Of Flywheel
  Courtesy of NISSAN MOTOR CO., U.S.A.
- Holding ring gear with ring gear stopper [SST], tighten securing bolts with TORX socket (size: T55, commercial service tool).
- Tighten the mounting bolts crosswise over several times.
  
  Fig 24: Tightening Mounting Bolts
  Courtesy of NISSAN MOTOR CO., U.S.A.
Drive plate (A/T models)
- Install drive plate and reinforcement plate as shown in the figure.
- Holding ring gear with ring gear stopper [SST: KV10117700 (J44716)].
- Tighten the mounting bolts crosswise over several times.
Fig 25: Installing Drive Plate & Reinforcement Plate
Courtesy of NISSAN MOTOR CO., U.S.A.