2006 INFINITI QX56 Factory Service Manual

traction control clock setting boot open gas tank headrest child restraint

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INFINITI QX56 2006 Factory Service Manual EM-78Revision: November 2009
CYLINDER BLOCK
2006 QX56
CYLINDER BLOCKPFP:11010
Disassembly and AssemblyEBS00RFI
WBIA0471E

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INFINITI QX56 2006 Factory Service Manual CYLINDER BLOCKEM-79
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Revision: November 2009 2006 QX56
* Refer to GI-46, "Recommended Chemical Products and Sealants" .
DISASSEMBLY
NOTE:
Explained here is how to disassemble

CYLINDER BLOCKEM-79
C
DE
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Revision: November 2009 2006 QX56
* Refer to GI-46, "Recommended Chemical Products and Sealants" .
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-74, "
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 LU-8, "
Changing Engine Oil" .
3. Drain engine coolant by removing the cylinder block drain plugs “A”, “B ”, “C” and “D ” as shown.
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-24, "Removal and Installation" .
Crankshaft pulley, front cover and timing chain. Refer to EM-37, "Removal and Installation" .
Camshaft. Refer to EM-46, "Removal and Installation" .
Cylinder head. Refer to EM-64, "Removal and Installation" .
5. Remove knock sensor and sub harness.
CAUTION:
Carefully handle sensor, avoiding shocks.
6. Check connecting rod side clearance. Refer to EM-94, "
CONNECTING ROD SIDE CLEARANCE" .
7. 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.
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
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 30. Cylinder block heater
31. Connector cap
WBIA0419E
KBIA2549E

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INFINITI QX56 2006 Factory Service Manual EM-80Revision: November 2009
CYLINDER BLOCK
2006 QX56
b. Remove connecting rod cap.
c. Push the piston and connecting rod assembly out to the cylinderhead side using suitable tool.
8. Remove connectin

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INFINITI QX56 2006 Factory Service Manual CYLINDER BLOCKEM-81
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c. Push out piston pin using suitable tool.
12. Separate and remove rear oil seal retainer from cylinder block.
CAUTION:

Page 1973 of 3383

INFINITI QX56 2006 Factory Service Manual EM-82Revision: November 2009
CYLINDER BLOCK
2006 QX56
18. Remove pilot converter using Tool if necessary.
ASSEMBLY
1. Fully air-blow the coolant and oil passages in the cylinder block, cylinder bore,

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INFINITI QX56 2006 Factory Service Manual CYLINDER BLOCKEM-83
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Revision: November 2009 2006 QX56
4. Install pilot converter to the crankshaft using suitable tool.
5. Install crankshaft to the cylinder block.
While tu

Page 1975 of 3383

INFINITI QX56 2006 Factory Service Manual EM-84Revision: November 2009
CYLINDER BLOCK
2006 QX56
Install new rear oil seal in the direction shown.
Tap until flattened with the front edge of the rear oil seal
retainer using suitable tool.
F

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INFINITI QX56 2006 Factory Service Manual CYLINDER BLOCKEM-85
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11. Install piston rings.
CAUTION:
Do not damage piston.
Position each ring with the gap as shown, referring to the pi

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