Infiniti FX35, FX50 (S51). Manual - part 978

 

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Infiniti FX35, FX50 (S51). Manual - part 978

 

 

EM-212

< UNIT DISASSEMBLY AND ASSEMBLY >

[VK50VE]

TIMING CHAIN

TIMING CHAIN

Exploded View

INFOID:0000000005245250

1.

O-ring

2.

O-ring

3.

Tension guide (bank 2)

4.

Timing chain (bank 2)

5.

Camshaft sprocket (INT) (bank 2)

6.

Camshaft sprocket (EXH) (bank 2)

7.

Slack guide (bank 2)

8.

Timing chain tensioner (bank 2)

9.

Crankshaft sprocket

JPBIA2120GB

TIMING CHAIN

EM-213

< UNIT DISASSEMBLY AND ASSEMBLY >

[VK50VE]

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Disassembly and Assembly

INFOID:0000000005245251

DISASSEMBLY

1.

Remove auto tensioners and idler pulley. Refer to 

EM-176, "Exploded View"

.

2.

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

EM-212, "Exploded View"

.

3.

Remove alternator bracket and alternator stay.

10.

Camshaft sprocket (EXH) (bank 1)

11. Timing chain (bank 1)

12.

Camshaft sprocket (INT) (bank 1)

13.

Timing chain tensioner (bank 1)

14. Slack guide (bank 1)

15.

Oil pump sprocket (crankshaft side)

16.

Oil pump sprocket (oil pump side)

17. Tension guide (bank 1)

18.

Oil pump drive chain

19.

Camshaft position sensor (INT) 
(bank 2)

20.

Camshaft position sensor (EXH) 
(bank 2)

21.

O-ring

22.

Seal ring

23. Valve timing control cover (bank 2)

24.

Intake valve timing control solenoid valve 
(bank 2)

25.

Exhaust valve timing control sole-
noid valve (bank 2)

26. Crankshaft pulley

27.

Front oil seal

28.

Intake valve timing control solenoid 
valve (bank 1)

29.

Exhaust valve timing control sole-
noid valve (bank 1)

30.

Valve timing control cover (bank 1)

31.

Timing chain tensioner cover

32. Front cover

33.

Camshaft position sensor (EXH) (bank 1)

34.

O-ring

35.

Camshaft position sensor (INT) 
(bank 1)

36.

Oil filter (for valve timing control solenoid 
valve)

37.

Oil pump

38. Oil pump drive chain tensioner

A.

Refer to 

EM-213

Refer to 

GI-4, "Components"

 for symbol marks in the figure.

1.

Alternator bracket

2.

Power steering pump bracket

3.

Alternator support

4.

A/C compressor bracket

A.

Right side

B.

Front side

: Engine front

Refer to 

GI-4, "Components"

 for symbol marks in the figure.

JPBIA2296GB

EM-214

< UNIT DISASSEMBLY AND ASSEMBLY >

[VK50VE]

TIMING CHAIN

4.

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.

5.

Remove valve timing control cover as per the following: 

a.

Disconnect valve timing control solenoid valve harness connector.

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.

6.

Remove valve timing control solenoid valve (INT and EXH), if necessary.

CAUTION:

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

7.

Remove O-rings (1) from front cover.

8.

Remove rocker cover. Refer to 

EM-191, "Exploded View"

.

9.

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

EM-169, "Inspection"

.

10. Remove crankshaft pulley. Refer to 

EM-194, "FRONT OIL SEAL : Removal and Installation"

.

11. Remove water pump pulley. Refer to 

CO-44, "Exploded View"

.

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

EM-188, "Exploded View"

.

13. Remove oil pan (upper). Refer to 

EM-208, "Exploded View"

.

14. Remove front cover as per the following:

A

: Keep free from magnetic materials

JPBIA0454ZZ

A

:  Bank  2

B

:  Bank  1

C

: Dowel pin hole

JPBIA2118ZZ

JPBIA2117ZZ

TIMING CHAIN

EM-215

< UNIT DISASSEMBLY AND ASSEMBLY >

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a.

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

b.

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.

15. Remove front oil seal from front cover using suitable tool.

• Use screwdriver for removal.

CAUTION:

Be careful not to damage front cover.

16. Remove O-rings (1), (2) from cylinder heads and cylinder block.

17. Remove oil filter (for valve timing control solenoid valve), if necessary.

18. Remove timing chain tensioner cover from front cover, if necessary.

• Use seal cutter [SST: KV10111100 (J-37228)] to cut liquid gasket for removal.

19. Remove oil pump drive chain as per the following:

a.

Push oil pump drive chain tensioner (1).

b.

Insert a stopper pin (A) into the body hole.

c.

Hold the two flat parts of oil pump shaft, and then loosen the oil
pump sprocket (oil pump side) nut.

CAUTION:

Secure the oil pump unit shaft with the two flat parts.

20. Remove oil pump drive chain tensioner.

21. Remove timing chain tensioner (bank 1) as per the following:

JPBIA2116ZZ

JPBIA2115ZZ

JPBIA2303ZZ

1

: Oil pump sprocket (oil pump side)

JPBIA2298ZZ

 

 

 

 

 

 

 

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