INFINITI FX35 2007 Service Manual

FRONT OIL SEAL FFD-9
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Revision: 2006 July 2007 FX35/FX45
FRONT OIL SEALPFP:38189
Removal and InstallationNDS000CR
REMOVAL
1. Drain gear oil. Refer to FFD-8, "DRAINING" .
2. Remove front propeller shaft. Refer to PR-5, "
Removal and Installation" .
3. Remove front drive shaft both. Refer to FAX-16, "
Removal and Installation (Right Side)" , FAX-15,
"Removal and Installation (Left Side)" .
4. Remove side shaft assembly.
5. Remove drive pinion lock nut using a flange wrench.
6. Put matching mark (B) on the end of the drive pinion. The matching mark (B) should be in line with the matching mark (A)
on companion flange (1).
CAUTION:
For matching mark, use paint. Do not damage companion
flange and drive pinion.
NOTE:
The matching mark (A) on the final drive companion flange (1)
indicates the maximum vertical runout position.
7. Remove companion flange using a puller.
8. Remove front oil seal using the puller. CAUTION:
Be careful not to damage gear carrier.
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Tool number A: KV381054S0 (J-34286)
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FFD-10
FRONT OIL SEAL
Revision: 2006 July 2007 FX35/FX45
INSTALLATION
1. Apply multi-purpose grease to front oil seal lips.
2. Using the drifts, install front oil seal as shown in figure.
CAUTION:

Do not reuse oil seal.

When installing, do not incline oil seal.
3. Align the matching mark (B) of drive pinion with the matching mark (A) of companion flange, and then install the companion
flange (1).
4. Apply anti-corrosion oil to the thread and seat of new drive pin- ion lock nut, and temporarily tighten drive pinion lock nut to drive
pinion.
CAUTION:
Do not reuse drive pinion lock nut.
5. Tighten to drive pinion lock nut, while adjust total preload torque.
CAUTION:

Adjust to the lower limit of the drive pinion lock nut tight-
ening torque first.

After adjustment, rotate drive pinion back and forth 2 to 3
times to check for unusual noise, rotation malfunction,
and other malfunctions.

If measured value is out of the specification, remove final
drive assembly and disassemble drive pinion parts to check
and adjust each part. Refer to FFD-13, "
Removal and Installa-
tion (VQ35DE Models)" ,FFD-15, "Removal and Installation (VK45DE Models)" and FFD-17, "Disas-
sembly and Assembly" .
6. Install front propeller shaft. Refer to PR-5, "
Removal and Installation" .
7. Install side shaft assembly.
8. Install front drive shaft both. Refer to FAX-15, "
Removal and Installation (Left Side)" , FAX-16, "Removal
and Installation (Right Side)" .
9. Refill gear oil to the final drive and check oil level. Refer to FFD-8, "
FILLING" .
10. Check the final drive for oil leakage. Refer to FFD-8, "
OIL LEAKAGE AND OIL LEVEL" .
Tool number A: ST33400001 (J-26082)
B: KV38102510 ( — )
PDIA0786J
PDIA0783J
Tool number A: ST3127S000 (J-25765-A)
Drive pinion lock nut tightening torque: 127.4 - 245.0 N·m (13.0 - 25.0 kg-m, 94 - 181 ft-lb)
Total preload torque: 1.56 - 2.65 N·m (0.16 - 0.27 kg-m, 14 - 23 in-lb)
PDIA0969E

SIDE OIL SEAL FFD-11
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Revision: 2006 July 2007 FX35/FX45
SIDE OIL SEALPFP:33142
Removal and InstallationNDS000BB
NOTE:
Left side oil seal is attached to engine assembly. Replace it when front final drive assembly is removed
from vehicle.
REMOVAL
Right Side:
1. Remove the front drive shaft. Refer to FAX-16, "Removal and Installation (Right Side)" .
2. Remove the side oil seal using a flat-bladed screwdriver. CAUTION:
Be careful not to damage gear carrier.
Left Side:
1. Remove the front final drive assembly from vehicle. Refer to FFD-13, "Removal and Installation (VQ35DE
Models)" or FFD-15, "Removal and Installation (VK45DE Models)" .
2. Remove the side oil seal using a flat-bladed screwdriver. CAUTION:
Be careful not to damage gear carrier.
INSTALLATION
Right Side:
1. Apply multi-purpose grease to sealing lips of side oil seal.
2. Using the drift, press-fit side oil seal so that its surface comes face to face with the end surface of the side retainer.
CAUTION:

Do not reuse oil seal.

When installing, do not incline oil seal.
3. Install the front drive shaft. Refer to FAX-16, "
Removal and
Installation (Right Side)" .
Left Side:
1. Apply multi-purpose grease to sealing lips of side oil seal.
2. Using the drift, press-fit side oil seal so that its surface comes face to face with the end surface of the gear carrier.
CAUTION:

Do not reuse oil seal.

When installing, do not incline oil seal.
3. Install the front final drive assembly on vehicle. Refer to FFD-13,
"Removal and Installation (VQ35DE Models)" or FFD-15,
"Removal and Installation (VK45DE Models)" .
4. Install the front drive shaft. Refer to FAX-15, "
Removal and
Installation (Left Side)" .
PDIA0655E
Tool number A: ST33400001 (J-26082)
PDIA0787J
Tool number A: KV38102100 (J-25803-01)
PDIA0788J

FFD-12
SIDE OIL SEAL
Revision: 2006 July 2007 FX35/FX45
5. When oil leaks while removing, check oil level after the installation. Refer to FFD-8, "Checking Differential
Gear Oil" .

FRONT FINAL DRIVE ASSEMBLY FFD-13
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Revision: 2006 July 2007 FX35/FX45
FRONT FINAL DRIVE ASSEMBLYPFP:38500
Removal and Installation (VQ35DE Models)NDS000BC
COMPONENTS
REMOVAL
1. Remove three engine mounting bracket upper bolts. Refer to EM-118, "Components (AWD Models)" .
2. Remove three way catalyst (right bank). Refer to EM-26, "
EXHAUST MANIFOLD AND THREE WAY CAT-
ALYST" .
3. Remove stabilizer assembly with power tool. Refer to FSU-16, "
STABILIZER BAR" .
4. Remove steering gearbox mounting bolts with power tool. Refer to PS-18, "
POWER STEERING GEAR
AND LINKAGE" .
5. Remove front drive shaft both. Refer to FA X - 1 2 , "
FRONT DRIVE SHAFT" .
6. Remove side shaft assembly.
7. Remove front propeller shaft. Refer to PR-4, "
FRONT PROPELLER SHAFT" .
8. Remove front suspension member with power tool. Refer to FSU-17, "
FRONT SUSPENSION MEMBER" .
9. Remove breather hose and tube.
10. Remove mounting bolts and remove front final drive assembly from the vehicle.
INSTALLATION
Note the following, and installation is in the reverse order of removal.

Refer to FFD-13, "COMPONENTS" about each tightening torque.

When installing the side shaft, apply multi-purpose grease to contact surface of side shaft and side shaft
oil seal.
1. Front final drive assembly 2. Side shaft 3. Bushing
4. Front propeller shaft 5. Breather hose 6. Breather tube
7. Breather connector 8. Engine mounting bracket 9. Insulator
Refer to GI-11, "
Components" , for the symbols in the figure.
PDIA0789J

FFD-14
FRONT FINAL DRIVE ASSEMBLY
Revision: 2006 July 2007 FX35/FX45

Tighten mounting bolts in the order as described below when
installing front final drive assembly: side of gear carrier (1),
upper side of gear carrier (2), part of carrier cover (3), lower part
of gear carrier (4).
CAUTION:
Align the mating faces of gear carrier and oil pan for instal-
lation.

When installing breather hoses (1) and tube (2), refer to the fig-
ure.
CAUTION:
Make sure there are no pinched or restricted areas on the
breather hose caused by bending or winding when install-
ing it.
–Make sure the paint mark facing up ( ).
–Securely install the hose until it seats the rounded portion of the
tube ( ).
–Install breather connector as shown in the figure.
–Seat the breather tube bracket end (A) to the machined face (B)
of gear carrier boss.

When oil leaks while removing final drive assembly, check oil
level after the installation. Refer to FFD-8, "
Changing Differential
Gear Oil" .
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Angle “A”: 0 - 30°
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FRONT FINAL DRIVE ASSEMBLY FFD-15
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Revision: 2006 July 2007 FX35/FX45
Removal and Installation (VK45DE Models)NDS000BD
COMPONENTS
REMOVAL
1. Remove three way catalyst (right bank). Refer to EM-183, "EXHAUST MANIFOLD AND THREE WAY
CATALYST" .
2. Remove stabilizer assembly with power tool. Refer to FSU-16, "
STABILIZER BAR" .
3. Remove steering gearbox mounting bolts with power tool. Refer to PS-18, "
POWER STEERING GEAR
AND LINKAGE" .
4. Remove front drive shaft both. Refer to FA X - 1 2 , "
FRONT DRIVE SHAFT" .
5. Remove side shaft assembly.
6. Remove front propeller shaft. Refer to PR-4, "
FRONT PROPELLER SHAFT" .
7. Remove front suspension member with power tool. Refer to FSU-17, "
FRONT SUSPENSION MEMBER" .
8. Remove engine wire harness clamp bolts from front final drive.
9. Remove breather hose and tube.
10. Remove mounting bolts and remove front final drive assembly from the vehicle.
INSTALLATION
Note the following, and installation is in the reverse order of removal.

Refer to FFD-15, "COMPONENTS" about each tightening torque.

When installing side shaft, apply multi-purpose grease to contact surface of side shaft and side shaft oil
seal.
1. Front final drive assembly 2. Side shaft 3. Bushing
4. Front propeller shaft 5. Breather tube 6. Breather hose
7. Breather connector 8. Harness bracket
PDIA0659E

FFD-16
FRONT FINAL DRIVE ASSEMBLY
Revision: 2006 July 2007 FX35/FX45

Tighten mounting bolts in the order as described below when
installing front final drive assembly: upper side of gear carrier
(1), part of carrier cover (2), lower part of gear carrier (3).
CAUTION:
Align the mating faces of gear carrier and oil pan for instal-
lation.

When installing breather hoses and tube, refer to the figure.
CAUTION:
Make sure there are no pinched or restricted areas on the
breather hose caused by bending or winding when install-
ing it.

Install breather connector as shown in the figure.

When oil leaks while removing final drive assembly, check oil
level after the installation. Refer to FFD-8, "
Checking Differential
Gear Oil" .
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Angle “A”: 22.5°
“B”: 22.5 - 45 °
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FRONT FINAL DRIVE ASSEMBLY FFD-17
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Revision: 2006 July 2007 FX35/FX45
Disassembly and AssemblyNDS000CS
COMPONENTS (VQ35DE MODELS)
1. Drive pinion lock nut 2. Companion flange 3. Front oil seal
4. Pinion front bearing 5. Drive pinion bearing adjusting washer 6. Drive pinion adjusting washer
7. Gear carrier 8. Pinion rear bearing 9. Pinion height adjusting washer
10. Drive pinion 11. Drive gear 12. Side oil seal (right side)
13. Side retainer 14. O-ring 15. Side bearing adjusting shim
16. Side bearing 17. Differential case 18. Breather connector
19. Dowel pin 20. Filler plug 21. Drain plug
22. Gasket 23. Carrier cover 24. Gear oil defence
25. Side gear thrust washer 26. Side gear 27. Circular clip
28. Pinion mate thrust washer 29. Pinion mate gear 30. Pinion mate shaft
31. Lock pin 32. Side bearing adjusting washer 33. Side oil seal (left side)
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FFD-18
FRONT FINAL DRIVE ASSEMBLY
Revision: 2006 July 2007 FX35/FX45
34. Side shaft bearing 35. Extension tube retainer 36. Side shaft oil seal
37. Dust sealed 38. Side shaft
A: Oil seal lip
B: Screw hole
Refer to GI-11, "
Components" and the followings for the symbols in the figure.
: Apply multi-purpose grease.
: Apply gear oil.
: Apply anti-corrosion oil.
: Apply Genuine Silicone RTV or equivalent. Refer to
GI-48, "
Recommended Chemical Products and Sealants" .
: Apply Genuine Medium Strength Thread Locking Sealant or equivalent. Refer to
GI-48, "
Recommended Chemical
Products and Sealants" .