Infiniti QX56 (Z62). Manual - part 655

EM-60

< REMOVAL AND INSTALLATION >

OIL PAN (UPPER)

3.

Install oil pan (lower). Refer to 

EM-55, "Removal and Installation"

.

4.

Install in the reverse order of removal.
NOTE:
At least 30 minutes after oil pan is installed, pour engine oil.

Inspection

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INSPECTION AFTER DISASSEMBLY

Clean oil strainer if any object is attached.

INSPECTION AFTER ASSEMBLY

1.

Check the engine oil level and adjust engine oil. Refer to 

LU-9, "Inspection"

.

2.

Start engine, and check there is no leakage of engine oil.

3.

Stop engine and wait for 15 minutes.

4.

Check the engine oil level again. Refer to 

LU-9, "Inspection"

.

TIMING CHAIN

EM-61

< REMOVAL AND INSTALLATION >

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TIMING CHAIN

Exploded View

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1.

O-ring

2.

O-ring

3.

O-ring

4.

Tension guide (bank 2)

5.

High pressure fuel pump camshaft

6.

Timing chain (bank 2)

7.

Lifter

8.

Intake camshaft sprocket (bank 2)

9.

Exhaust camshaft sprocket (bank 2)

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EM-62

< REMOVAL AND INSTALLATION >

TIMING CHAIN

Removal and Installation

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REMOVAL

1.

Release fuel pressure. Refer to 

EC-153, "Work Procedure"

.

2.

Drain engine coolant from radiator. Refer to 

CO-8, "Draining"

.

3.

Remove fan shroud (lower). Refer to 

CO-13, "Exploded View"

.

4.

Remove fan bracket. Refer to 

CO-16, "Exploded View"

.

5.

Remove drive belt auto-tensioner. Refer to 

EM-26, "Exploded View"

.

6.

Remove oil level gauge and oil level gauge guide. Refer to 

EM-57, "Exploded View"

.

7.

Move power steering oil pump to the position without the hindrance for work. Refer to 

ST-48, "Exploded

View"

.

8.

Remove alternator, alternator bracket and alternator stay. Refer to 

CHG-25, "Exploded View"

.

9.

Move power steering reservoir tank to the position without the hindrance for work, and then remove Res-
ervoir tank bracket. Refer to 

ST-54, "Exploded View"

.

10. Remove camshaft position sensors.

CAUTION:

• Handle carefully to avoid dropping and shocks.
• Never disassemble.
• Never allow metal powder to adhere to magnetic part at

sensor tip.

• Never place sensors in a location where they are exposed

to magnetism.

11. Remove high pressure fuel pump and lifter. Refer to 

EM-43, "Exploded View"

.

CAUTION:

After removing lifter, replace lifter with a new one.

12. Remove radiator hose (upper) and radiator hose (lower). Refer to 

CO-13, "Exploded View"

. 

13. Remove water suction pipe. Refer to 

CO-20, "Exploded View"

.

14. Remove valve timing control cover as per the following: 

a.

Disconnect valve timing control solenoid valve harness connector.

10.

Slack guide (bank 2)

11. Timing chain tensioner (bank 2)

12.

Exhaust camshaft sprocket (bank 1)

13.

Timing chain (bank 1)

14. Intake camshaft sprocket (bank 1)

15.

Timing chain tensioner (bank 1)

16.

Slack guide (bank 1)

17. Tension guide (bank 1)

18.

Oil pump

19.

Camshaft position sensor (bank 2)

20. O-ring

21.

Seal ring

22.

Valve timing control cover (bank 2)

23.

Intake valve timing control solenoid 
valve (bank 2)

24.

Crankshaft pulley

25.

Front oil seal

26.

Intake valve timing control solenoid 
valve (bank 1)

27.

Valve timing control cover (bank 1)

28.

Timing chain tensioner cover

29. Front cover

30.

O-ring

31.

Camshaft position sensor (bank 1)

32. Camshaft bracket

33.

Oil filter (for valve timing control so-
lenoid valve)

34.

Crankshaft sprocket

35. Oil pump drive spacer

A.

Comply with the installation proce-
dure when tightening. Refer to 

EM-

62, "Removal and Installation"

.

Refer to 

GI-4, "Components"

 for symbol marks in the figure.

A

: Keep free from magnetic materials

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TIMING CHAIN

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< REMOVAL AND INSTALLATION >

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b.

Loosen mounting bolts in the reverse order as shown in the fig-
ure. 

CAUTION:

• Exercise care not to damage mating surfaces.
• Shaft is internally jointed with camshaft sprocket center

hole. When removing, keep it horizontal until it is com-
pletely disconnected.

15. Remove intake valve timing control solenoid valve (bank 1 and bank 2), if necessary.

CAUTION:

Valve timing control solenoid valve is not reusable. Never remove it unless required.

16. Remove O-rings (1) from front cover.

17. Remove rocker cover. Refer to 

EM-33, "Exploded View"

.

18. Obtain No. 1 cylinder at TDC of its compression stroke. Refer to 

EM-12, "Inspection"

.

19. Remove crankshaft pulley. Refer to 

EM-96, "FRONT OIL SEAL : Removal and Installation"

.

20. Remove water pump pulley. Refer to 

CO-18, "Exploded View"

.

21. Remove oil pan (lower) and oil strainer. Refer to 

EM-54, "Exploded View"

.

22. Remove oil pan (upper). Refer to 

EM-57, "Exploded View"

.

23. Remove front cover as per the following:
a.

Loosen mounting bolts (A), and then remove camshaft bracket
(1).

b.

Loosen mounting bolts in reverse order as shown in the figure.

c.

Insert a suitable tool into the notch at front cover. 
• Pry off case by moving a suitable tool.

CAUTION:

• Exercise care not to damage mating surfaces.
• After removal, handle front cover carefully so it does not

tilt, cant, or warp under a load.

A

:  Bank  2

B

:  Bank  1

C

: Dowel pin hole

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