vq35de INFINITI FX35 2005 Service Manual

EM-52
[VQ35DE]
ROCKER COVER
Revision: 2005 July 2005 FX
10. Loosen mounting bolts with power tool in reverse order as
shown in the figure.
11. Remove rocker cover gaskets from rocker covers.
12. Use a scraper to remove all trances of liquid gasket from cylinder head and camshaft bracket (No. 1). CAUTION:
Do not scratch or damage the mating surface when cleaning off old liquid gasket.
INSTALLATION
1. Apply liquid gasket with the tube presser [SST: WS39930000 ( — )] to joint part among rocker cover, cylinder head and
camshaft bracket (No. 1) as follows:
Use Genuine RTV Silicone Sealant or equivalent. Refer to
GI-48, "
RECOMMENDED CHEMICAL PRODUCTS AND
SEALANTS" .
NOTE:
The figure shows an example of left bank side [zoomed in
shows camshaft bracket (No. 1)].
a. Refer to the figure “a” to apply liquid gasket to joint part of cam- shaft bracket (No. 1) and cylinder head.
b. Refer to the figure “b” to apply liquid gasket to the figure “a” squarely.
2. Install new rocker cover gasket to rocker cover.
3. Install rocker cover.

Check if rocker cover gasket is not dropped from installation groove of rocker cover.
KBIA0985E
PBIC2474E

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 EM-51, "
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)
KBIA0985E

EM-54
[VQ35DE]
FRONT TIMING CHAIN CASE
Revision: 2005 July 2005 FX
FRONT TIMING CHAIN CASEPFP:13599
Removal and InstallationABS004X0
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, "TIMING CHAIN" .

Refer to EM-64, "TIMING CHAIN" for component parts location.
REMOVAL
1. Disconnect negative battery terminal. Refer to SC-4, "BATTERY" .
2. Remove engine cover with power tool. Refer to EM-19, "
INTAKE MANIFOLD COLLECTOR" .
3. Remove air cleaner case assembly. Refer to EM-17, "
AIR CLEANER AND AIR DUCT" .
4. Remove front and rear engine undercover with power tool.
5. Release the fuel pressure. Refer to EC-99, "
FUEL PRESSURE RELEASE" .
6. Drain engine oil. Refer to LU-9, "
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-11, "
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, "
DRIVE BELTS" .
10. Remove intake manifold collectors (upper and lower). Refer to EM-19, "
INTAKE MANIFOLD COLLEC-
TOR" .
11. Remove power steering oil pump from bracket with piping connected, and temporarily secure it aside. Refer to PS-31, "
POWER STEERING OIL PUMP" .
12. Remove power steering oil pump bracket. Refer to PS-31, "
POWER STEERING OIL PUMP" .
13. Remove alternator. Refer to SC-23, "
CHARGING SYSTEM" .
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 fig-
ure.

U s e t h e s e a l c u t t e r [ S S T: K V 1 0 1111 0 0 ( J 3 7 2 2 8 ) ] t o c u t l i q u i d
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.
SEM728G

FRONT TIMING CHAIN CASE EM-55
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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, "
ROCKER COVER" .
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-73,
"INSTALLATION" .
19. Remove crankshaft pulley as follows:
a. Remove rear cover plate (2WD) or starter motor (AWD) and set ring gear stopper [SST] as shown in the figure. Refer to SC-10,
"STARTING SYSTEM" .
PBIC2631E
KBIA1717J
SEM418G
PBIC1098E

EM-56
[VQ35DE]
FRONT TIMING CHAIN CASE
Revision: 2005 July 2005 FX
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.
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, "
OIL PAN AND OIL STRAINER" .
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.
PBIC1103E
EMQ0477D
PBIC1116E
KBIA1303E

FRONT TIMING CHAIN CASE EM-57
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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).

U s e t h e s e a l c u t t e r [ S S T: K V 1 0 1111 0 0 ( J 3 7 2 2 8 ) ] t o c u t l i q u i d
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.
23. Remove O-rings from rear timing chain case.
24. Remove oil pan gasket (front). Refer to EM-30, "
OIL PAN AND OIL STRAINER" .
25. Remove water pump cover and chain tensioner cover from front timing chain case, if necessary.

U s e t h e s e a l c u t t e r [ S S T: K V 1 0 1111 0 0 ( J 3 7 2 2 8 ) ] t o c u t l i q u i d g a s k e t f o r r e m o v a l .
26. Remove front oil seal from front timing chain case using a suit- able tool.

Use a screwdriver for removal.
CAUTION:
Exercise care not to damage front timing chain case.
27. Remove timing chain and related parts. Refer to EM-64, "
TIMING CHAIN" .
28. Use a scraper to remove all traces of old liquid gasket from front and rear timing chain cases and oil pan (upper), and liquid gas-
ket mating surfaces.
CAUTION:
Be careful not to allow gasket fragments to enter oil pan.
SEM156F
PBIC2548E
EMQ0032D
SEM737G

EM-58
[VQ35DE]
FRONT TIMING CHAIN CASE
Revision: 2005 July 2005 FX

Remove old liquid gasket from bolt hole and thread.
29. Use a scraper to remove all traces of liquid gasket from water pump cover, chain tensioner cover and intake valve timing con-
trol covers.
INSTALLATION
1. Install timing chain and related parts. Refer to EM-64, "TIMING CHAIN" .
2. Hammer dowel pins (right and left) into front timing chain case up to a point close to taper in order to shorten protrusion length.
3. Install front oil seal on front timing chain case.

Apply new engine oil to the oil seal lip and dust seal lip.

Install it so that each seal lip is oriented as shown in the fig-
ure.
PBIC2084E
SEM926E
PBIC1101E
SEM715A

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Using a suitable drift [outer diameter: 60 mm (2.36 in)], press-
fit oil seal until it becomes flush with front timing chain case
end face.

Make sure the garter spring is in position and seal lip is not
inverted.
4. Install water pump cover and chain tensioner cover to front timing chain case.

Apply a continuous bead of liquid gasket with the tube presser
[SST: WS39930000 ( — )] to front timing chain case as
shown in the figure.
Use Genuine RTV Silicone Sealant or equivalent. Refer to
GI-48, "
RECOMMENDED CHEMICAL PRODUCTS AND
SEALANTS".
5. Install front timing chain case as follows:
a. Apply a continuous bead of liquid gasket with the tube presser [SST: WS39930000 ( — )] to front timing chain case back
side as shown in the figure.
Use Genuine RTV Silicone Sealant or equivalent. Refer to
GI-48, "
RECOMMENDED CHEMICAL PRODUCTS AND
SEALANTS" .
PBIC0790E
SEM744GA
PBIC1133E

EM-60
[VQ35DE]
FRONT TIMING CHAIN CASE
Revision: 2005 July 2005 FX
b. Install new oil pan gasket (front).

Apply liquid gasket to oil pan gasket (front) as shown in the
figure.
Use Genuine RTV Silicone Sealant or equivalent. Refer to
GI-48, "
RECOMMENDED CHEMICAL PRODUCTS AND
SEALANTS".

Align notch of front timing chain case with protrusion of oil pan
gasket.

Apply liquid gasket with the tube presser [SST: WS39930000
( — )] to top surface of oil pan (upper) as shown in the fig-
ure.
Use Genuine RTV Silicone Sealant or equivalent. Refer to
GI-48, "
RECOMMENDED CHEMICAL PRODUCTS AND
SEALANTS" .
c. Install new O-rings on rear timing chain case.
d. Assemble front timing chain case as follows:
i. Fit lower end of front timing chain case tightly onto top face of oil pan (upper). From the fitting point, make entire front timing chain
case contact rear timing chain case completely.
CAUTION:
Be careful that oil pan gasket is in place.
SEM964E
PBIC1114E
PBIC1099E
PBIC2548E
PBIC1100E

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ii. Since front timing chain case is offset for difference of bolt holes,
tighten bolts temporarily with holding front timing chain case
from front and top as shown in the figure.
For bolt length and positions, refer to the step e.
iii. Same as the step ii, insert dowel pin with holding front timing chain case from front and top completely.
e. Tighten mounting bolts to the specified torque in numerical order as shown in the figure.

There are two type of mounting bolts. Refer to the following
for locating bolts.
f. After all bolts tightened, retighten them to the specified torque in numerical order as shown in the figure.
6. Install two mounting bolts in front of oil pan (upper) in numerical order as shown in figure.
7. Install oil pan (lower). Refer to EM-30, "
OIL PAN AND OIL STRAINER" .
8. Install intake valve timing control covers as follows:
a. Install new seal rings in shaft grooves.
b. Apply a continuous bead of liquid gasket with the tube presser [SST: WS39930000 ( — )] to intake valve timing control cov-
ers as shown in the figure.
Use Genuine RTV Silicone Sealant or equivalent. Refer to
GI-48, "
RECOMMENDED CHEMICAL PRODUCTS AND
SEALANTS" .
PBIC1115E
M8 bolts : 1, 2
: 28.4 N·m (2.9 kg-m, 21 ft-lb)
M6 bolts : Except the above
: 12.7 N·m (1.3 kg-m, 9 ft-lb)
: 17.2 N·m (1.8 kg-m, 13 ft-lb)
KBIA1303E
PBIC1116E
SBIA0492E