Disassembly And Assembly: Assembly
WARNING: This page is about a different car, the 2004 Nissan Titan. However, it is still accessible from the selected car via links, so may be relevant.
- Fully air-blow the coolant and oil passages in the cylinder block, the cylinder bore, and the crankcase to remove any foreign material.CAUTION: Use a goggles to protect your eyes.
- Install each plug to the cylinder block. (Only screwed-type plugs are shown in the figure.)
- Apply liquid gasket. Use Genuine Thread Sealant or equivalent. See RECOMMENDED CHEMICAL PRODUCTS AND SEALANTS in GENERAL INFORMATION - TITAN article in GENERAL INFORMATION.
- Replace the copper washers with new ones.
- Tighten each plug as specified below.
- Install the main bearings and the thrust bearings.
- Remove dust, dirt, and oil on the bearing mating surfaces of the cylinder block and the main bearing caps.
- Install the thrust bearings to the both sides of the No. 3 journal housing on the cylinder block and main bearing caps
- Install the thrust bearings with the oil groove facing the crankshaft arm (outside).
- Install the thrust bearings with a protrusion in the center on the main bearing caps.
- Install the 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 the 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 bearing stopper to the notch.
- Insure the oil holes on cylinder block and those on the corresponding bearing are aligned.
- Using a suitable tool install the pilot converter to the crankshaft.
- Install the crankshaft to the cylinder block.
- While turning the crankshaft by hand, make sure it turns smoothly.
- Install the main bearing caps.
- Align the identification number to the journal position to install.
- Install it with front mark (indicated by the arrow) facing front of engine.
- Using a suitable tool, tap the caps lightly to seat them on the installation position.
- Follow the steps below to tighten each main bearing cap bolts.
- Apply engine oil to threads and seating surface 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 bolt in order of 11 to 20 : 29.4 N.m (3.0 kg-m, 22 ft-lb)
- Main bearing cap bolts in order of 1 to 10 : 40°
CAUTION: Measure tighten angle in step "d" and "e" with angle wrench (SST). Do not measure visually.- Main bearing cap sub bolt in order of 11 to 20 : 30°
- Side bolt to in order of 21 to 30 : 49 N.m (5.0 kg-m, 36 ft-lb)
- Rotate crankshaft by hands after bolts are tightened. Check if it rotates smoothly.
- Check the crankshaft side clearance. Refer to CRANKSHAFT END PLAY .
- Apply engine oil to threads and seating surface of bolts, and tighten all bolts temporarily.
- Using a suitable tool install rear oil seal to rear oil seal retainer.CAUTION: Do not damage or scratch outer circumference of oil seal.
- Tap until flattened with front edge of rear oil seal retainer.
- Fit the rear oil seal until it is level with the rear end surface of rear oil seal retainer.
- Install new rear oil seal in the direction shown in the figure.
- Install rear oil seal retainer.
- Apply liquid gasket thoroughly to rear oil seal retainer. Use Genuine RTV Silicone Sealant or equivalent. See RECOMMENDED CHEMICAL PRODUCTS AND SEALANTS in GENERAL INFORMATION - TITAN article in GENERAL INFORMATION.
- Apply new engine oil on lips of rear oil seal. Do not touch.
- Install the piston to the connecting rod.
- Using a suitable tool, install the snap ring to the grooves of the piston rear side.
- Insert it fully into groove to install.
- Install the piston to the connecting rod.
- Using suitable tool, heat the piston until the 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 the cylinder No. on the connecting rod are positioned as shown in the figure.
- Using a suitable tool, install the snap ring to the grooves of the piston front side.
- Insert it fully into groove to install.
- After installing, make sure the connecting rod moves smoothly.
- Using a suitable tool, install the snap ring to the grooves of the piston rear side.
- Using a suitable tool, install the piston rings.CAUTION: Be careful not to damage the piston.
- Position each ring with the gap as shown in the figure, referring to the piston front mark.
- Install the second ring with the stamped surface facing upward.
- Stamped mark Second ring :2N
- Install the connecting rod bearings to the connecting rod and the 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 the oil holes on the connecting rod and those on the corresponding bearing are aligned.
- Using Tool, install the piston and connecting rod assembly to the crankshaft.
- Tool number :EM03470000 (J-8037)
- Position the crankshaft pin corresponding to the connecting rod to be installed onto the 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 the connecting rod cap.
- Match the stamped cylinder number marks on the connecting rod with those on the cylinder cap to install.
- Using Tool tighten the connecting rod bolts.
- Tool number : KV10112100 (BT-8653-A
Connecting rod bolts
- Step 1 : 19.6 N.m (1.5 kg-m, 11 ft-lb)
- Step 2 : 90° Angle tightening
- Apply engine oil to the threads and seats of the connecting rod bolts.
- Put mating (with paint) on each bolt and connecting rod cap, all in the same direction (when using a protractor).
- Tighten all connecting rod bolts degrees clockwise (angle tightening).
- After tightening the bolts, make sure that the crankshaft rotates smoothly.
- Check the connecting rod side clearance. Refer to CONNECTING ROD SIDE CLEARANCE .
- Install knock sensor.CAUTION: If any impact by dropping is applied to the knock sensor, replace it with new one.
- Make sure that there is no foreign material on the cylinder block mating surface and the back surface of the knock sensor.
- Install it with its connector facing the center of cylinder block side.
- Do not tighten the mounting bolts while holding the connector.
- Make sure that the knock sensor does not interfere with other parts.
- Position sub-harness as shown in the figure before installing intake manifold.
- 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 at end with pin holes of each parts to install.
- Install drive plate, reinforcement plate and pilot converter (if not installed in step 4) as shown in figure.
- Face chamfered or rounded edge side to crankshaft.