Infiniti FX35 / FX45. Manual - part 634

ROCKER COVER

EM-53

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4.

Tighten bolts in two steps separately in numerical order as
shown in the figure.

5.

Install oil catcher and oil filer cap to rocker cover (left bank), if removed.

6.

Install new O-ring and PCV valve to rocker cover (right bank), if removed.

7.

Install PCV hose.
• Insert PCV hose by 25 to 30 mm (0.98 to 1.18 in) from connector end.
• When installing, be careful not to twist or come in contact with other parts.
• Install PCV hose between right and left rocker covers with its identification paint facing upward (right

rocker cover side). Refer to component figure in "Removal and Installation".

8.

Install in the reverse order of removal after this step.

 1st step

: 1.96 N·m (0.20 kg-m, 17 in-lb)

 2nd step

: 8.33 N·m (0.85 kg-m, 74 in-lb)

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FRONT TIMING CHAIN CASE

FRONT TIMING CHAIN CASE

Removal and Installation

INFOID:0000000001325728

NOTE:
• This section describes removal/installation procedure of front timing chain case and timing chain related

parts without removing oil pan (upper) on the vehicle.

• When oil pan (upper) needs to be removed or installed, or when rear timing chain case is removed or

installed, remove oil pans (upper and lower) first. Then remove front timing chain case, timing chain related
parts, and rear timing chain case in this order, and install in reverse order of removal. Refer to 

EM-64, "Com-

ponent"

.

• Refer to 

EM-64, "Component"

 for component parts location.

REMOVAL

1.

Disconnect negative battery terminal. Refer to 

SC-4, "How to Handle Battery"

.

2.

Remove engine cover with power tool. Refer to 

EM-19, "Component"

.

3.

Remove air cleaner case assembly. Refer to 

EM-17, "Component"

.

4.

Remove front and rear engine undercover with power tool.

5.

Release the fuel pressure. Refer to 

EC-87, "Fuel Pressure Check"

.

6.

Drain engine oil. Refer to 

LU-7, "Changing Engine Oil"

.

CAUTION:

• Perform this step when the engine is cold.
• Do not spill engine oil on drive belts.

7.

Drain engine coolant from radiator. Refer to 

CO-10, "Changing Engine Coolant"

.

CAUTION:

• Perform this step when the engine is cold.
• Do not spill engine coolant on drive belts.

8.

Separate engine harnesses removing their brackets from front timing chain case.

9.

Remove drive belts. Refer to 

EM-15, "Removal and Installation"

.

10. Remove intake manifold collectors (upper and lower). Refer to 

EM-19, "Component"

.

11. Remove power steering oil pump from bracket with piping connected, and temporarily secure it aside.

Refer to 

PS-27, "On-Vehicle Inspection and Service"

.

12. Remove power steering oil pump bracket. Refer to 

PS-27, "On-Vehicle Inspection and Service"

.

13. Remove alternator. Refer to 

SC-19, "System Description"

.

14. Remove water bypass hose, water hose clamp and idler pulley bracket from front timing chain case.
15. Remove intake valve timing control covers.

• Loosen mounting bolts in reverse order as shown in the figure.
• Use the seal cutter [SST: KV10111100 (J37228)] to cut liquid

gasket for removal.

CAUTION:

Shaft is internally jointed with camshaft sprocket (INT) cen-
ter hole. When removing, keep it horizontal until it is com-
pletely disconnected.

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FRONT TIMING CHAIN CASE

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16. Remove collared O-ring from front timing chain case (left and

right side).

17. Remove rocker covers (right and left banks). Refer to 

EM-51, "Component"

.

NOTE:
When only timing chain (primary) is removed, rocker cover does not need to be removed.

18. Obtain No. 1 cylinder at TDC of its compression stroke as follows:

NOTE:
When timing chain is not removed/installed, this step is not required.

a.

Rotate crankshaft pulley clockwise to align timing mark (grooved
line without color) with timing indicator.

b.

Make sure that intake and exhaust cam noses on No. 1 cylinder
(engine front side of right bank) are located as shown in the fig-
ure.
• If not, turn crankshaft one revolution (360 degrees) and align

as shown in the figure.

NOTE:
When only timing chain (primary) is removed, rocker cover does
not need to be removed. To make sure that No. 1 cylinder is at
its compression TDC, remove front timing chain case first. Then
check mating marks on camshaft sprockets. Refer to 

EM-65,

"Removal and Installation"

.

19. Remove crankshaft pulley as follows:

a.

Remove rear cover plate (2WD models) or starter motor (AWD models) and set ring gear stopper (SST).
Refer to 

EM-30, "Component (2WD Models)"

 (2WD models) or 

SC-8, "System Description"

 (AWD mod-

els).

b.

Loosen crankshaft pulley bolt and locate bolt seating surface as
10 mm (0.39 in) from its original position.

CAUTION:

Do not remove crankshaft pulley bolt as it will be used as a
supporting point for suitable puller.

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FRONT TIMING CHAIN CASE

c.

Place suitable puller tab on holes of crankshaft pulley, and pull
crankshaft pulley through.

CAUTION:

Do not put suitable puller tab on crankshaft pulley periph-
ery, as this will damage internal damper.

20. Remove oil pan (lower). Refer to 

EM-30, "Component (2WD Models)"

.

21. Loosen two mounting bolts in front of oil pan (upper) with power

tool in reverse order shown in figure.

22. Remove front timing chain case as follows:

a.

Loosen mounting bolts with power tool in reverse order as
shown in the figure.

b.

Insert suitable tool into the notch at the top of front timing chain
case as shown (1).

c.

Pry off case by moving a tool as shown (2).
• Use the seal cutter [SST: KV10111100 (J37228)] to cut liquid

gasket for removal. 

CAUTION:

• Do not use a screwdrivers or something similar.
• After removal, handle front timing chain case carefully

so it does not tilt, cant, or warp under a load.

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