Nissan Titan. Instruction — part 322
EM-92
< UNIT DISASSEMBLY AND ASSEMBLY >
ENGINE UNIT
UNIT DISASSEMBLY AND ASSEMBLY
ENGINE UNIT
Exploded View
INFOID:0000000009886445
1.
Knock sensor sub-harness
2.
Knock sensor
3.
Cylinder block
4.
Main bearing upper
5.
Top ring
6.
Second ring
7.
Oil ring
8.
Crankshaft key
9.
Piston
10. Connecting rod
11.
Snap ring
12.
Piston pin
13. Connecting rod bearing
14.
Connecting rod bearing cap
15.
Main bearing cap
WBIA0471E
ENGINE UNIT
EM-93
< UNIT DISASSEMBLY AND ASSEMBLY >
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Disassembly and Assembly
INFOID:0000000009886446
DISASSEMBLY
NOTE:
Explained here is how to disassemble with engine stand supporting transmission surface. When using differ-
ent type of engine stand, some steps may be different.
1. Remove engine assembly and mount to engine stand. Refer to
EM-88, "Removal and Installation"
.
CAUTION:
Before removing the hanging chains, make sure engine stand is stable and there is no risk of over-
turning.
2. Drain engine oil. Refer to
3. Drain engine coolant by removing the cylinder block drain plugs
(A), (B), (C) and (D) as shown.
NOTE:
For cylinder block heater equipped engines, water drain plug (C)
shown is not a water drain plug but a cylinder block heater.
4. Remove the following components and associated parts (the parts referred to in step 1 are not included
here).
• Oil pan (upper and lower) and oil strainer. Refer to
EM-35, "Removal and Installation"
• Crankshaft pulley, front cover and timing chain. Refer to
EM-50, "Removal and Installation"
• Camshaft. Refer to
EM-62, "Removal and Installation"
.
EM-78, "Removal and Installation"
.
5. Remove cylinder block heater (for Canada).
6. Remove knock sensor and sub harness.
CAUTION:
Carefully handle sensor, avoiding shocks.
7. Check connecting rod side clearance. Refer to
EM-101, "Inspection After Disassembly"
.
8. Remove piston and connecting rod assembly as follows.
a. Position the crankshaft pin corresponding to the connecting rod to be removed onto bottom dead center.
b. Remove connecting rod cap.
16. Thrust bearing lower
17.
Main bearing lower
18.
Crankshaft
19. Pilot converter
20.
Thrust bearing upper
21.
Side bolt
22. Drive plate
23.
Reinforcement plate
24.
Rear oil seal retainer
25. Rear oil seal
26.
Transmission
27.
O-ring
28. Crankshaft position sensor (POS)
29.
Gasket (for Canada)
30.
Cylinder block heater (for Canada)
31. Connector cap (for Canada)
WBIA0419E
KBIA2549E
EM-94
< UNIT DISASSEMBLY AND ASSEMBLY >
ENGINE UNIT
c.
Push the piston and connecting rod assembly out to the cylinder
head side using suitable tool.
9. Remove connecting rod bearings.
CAUTION:
When removing them, note the installation position. Keep them in the correct order.
10. Check piston ring side clearance. Refer to
EM-101, "Inspection After Disassembly"
11. Remove piston rings from piston using suitable tool.
CAUTION:
• Do not damage piston.
• Do not damage piston rings by expanding them exces-
sively.
12. Remove piston from connecting rod as follows.
a. Remove snap ring using suitable tool.
b. Heat piston to 60
° to 70°C (140° to 158°F) using suitable tool.
PBIC0086E
PBIC0087E
PBIC0260E
PBIC0261E
ENGINE UNIT
EM-95
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c. Push out piston pin using suitable tool.
WARNING:
Piston contains heat. When working, wear protective equip-
ment to avoid getting burned.
13. Separate and remove rear oil seal retainer from cylinder block.
CAUTION:
Do not damage mating surface.
14. Remove rear oil seal from rear oil seal retainer.
15. Measure the crankshaft side clearance. Refer to
EM-101, "Inspection After Disassembly"
.
16. Remove main bearing caps as follows:
• Loosen bolts in several different steps.
a. Loosen side bolts (M10) starting from 30 to 21 to remove.
b. Loosen main bearing cap sub bolts (M9) starting from 20 to 11 to
remove.
c. Loosen main bearing cap bolts (M12) starting from 10 to 1 to
remove.
d. Remove main bearing cap.
• Insert bolts (2) into bolt holes, and then remove main bearing
cap by lifting up and shaking forward and backward.
17. Remove crankshaft.
18. Remove the main bearings and thrust bearings from the cylinder block and main bearing caps.
• When removing them, note the installation position. Keep them in the correct order.
19. Remove pilot converter using Tool if necessary.
ASSEMBLY
PBIC0262E
PBIC0090E
KBIA2492E
Tool number
: ST16610001 (J-23907)
WBIA0596E
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