Page 5057 of 5621

RFD-14
SIDE OIL SEAL
Revision: 2006 January2006 M35/M45
SIDE OIL SEALPFP:33142
Removal and InstallationNDS000F6
REMOVAL
1. Remove center muffler with a power tool. Refer to EX-3, "EXHAUST SYSTEM" .
2. Remove rear wheel sensor. Refer to BRC-57, "
WHEEL SENSOR" .
3. Remove drive shaft from final drive with a power tool. Then suspend it by wire etc. Refer to RAX-8, "
REAR
DRIVE SHAFT" .
4. Install attachment to side flange, and then pull out the side
flange with the sliding hammer.
For VQ35DE models
NOTE:
Circular clip installation position: Final drive side
For VK45DE models
NOTE:
Circular clip installation position: Final drive side
5. Remove side oil seal, using a flat-bladed screwdriver.
CAUTION:
Be careful not to damage gear carrier.
INSTALLATION
1. Apply multi-purpose grease to side oil seal lips.
2. Install side oil seal until it becomes flush with the case end,
using the drift.
CAUTION:
Do not reuse oil seal.
When installing, do not incline oil seal.Tool number A: KV40104100 ( — )
B: ST36230000 (J-25840-A)
SDIA1582E
Tool number A: KV40101000 ( — )
B: ST36230000 (J-25840-A)
SDIA1583E
SDIA1584E
Tool number : KV38100200 (J-26233)
SDIA1585E
Page 5058 of 5621

SIDE OIL SEAL
RFD-15
C
E
F
G
H
I
J
K
L
MA
B
RFD
Revision: 2006 January2006 M35/M45
3. Install side flange with the following procedure.
a. Attach the protector to side oil seal.
b. After the side flange is inserted and the serrated part of side
gear has engaged the serrated part of flange, remove the pro-
tector.
c. Put a suitable drift on the center of side flange, then drive it until
sound changes.
NOTE:
When installation is completed, driving sound of the side flange
turns into a sound which seems to affect the whole final drive.
d. Confirm that the dimension of the side flange installation (Mea-
surement A) in the figure comes into the following.
4. Install drive shaft. Refer to RAX-8, "
REAR DRIVE SHAFT" .
5. Install rear wheel sensor. Refer to BRC-57, "
WHEEL SENSOR"
.
6. Install center muffler. Refer to EX-3, "
EXHAUST SYSTEM" .
7. When oil leaks while removing, check oil level after the installation. Refer to RFD-9, "
Checking Differential
Gear Oil" . Tool number : KV38107900 (J-39352)
SDIA0822E
Measurement A: 326 - 328 mm (12.83 - 12.91 in)
SDIA1039E
Page 5059 of 5621
RFD-16
REAR FINAL DRIVE ASSEMBLY
Revision: 2006 January2006 M35/M45
REAR FINAL DRIVE ASSEMBLYPFP:38300
Removal and InstallationNDS000F7
COMPONENTS
REMOVAL
1. Remove center muffler with a power tool. Refer to EX-3, "EXHAUST SYSTEM" .
2. Remove rear stabilizer bar with a power tool. Refer to RSU-17, "
STABILIZER BAR" .
3. Remove propeller shaft from the final drive. Refer to PR-8, "
Removal and Installation" .
4. Remove drive shaft from final drive with a power tool. Then sus-
pend it by wire etc. Refer to RAX-8, "
REAR DRIVE SHAFT" .
5. Remove breather hose from the final drive.
6. Remove rear wheel sensor. Refer to BRC-57, "
WHEEL SEN-
SOR" .
1. Rear final drive assembly 2. Upper stopper 3. Propeller shaft
4. Washer 5. Lower stopper 6. Drive shaft
A: For VQ35DE models
B: For VK45DE models
Refer to GI-11, "
Components" , for the symbols in the figure.
PDIA0967E
SDIA1094E
Page 5060 of 5621

REAR FINAL DRIVE ASSEMBLY
RFD-17
C
E
F
G
H
I
J
K
L
MA
B
RFD
Revision: 2006 January2006 M35/M45
7. Set a suitable jack to rear final drive assembly.
CAUTION:
Do not place a suitable jack on the rear cover (aluminum
case).
8. Remove the mounting bolts and nuts connecting to the suspen-
sion member, and remove rear final drive assembly with a power
tool.
CAUTION:
Secure rear final drive assembly to a suitable jack while
removing it.
INSTALLATION
Note the following, and installation is in the reverse order of removal.
Refer to RFD-16, "COMPONENTS" about each tightening torque.
When installing breather hoses (1), 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.
–For installation, the vehicle side end shall be inserted to suspen-
sion member (2). Install metal connector (3) side of this hose to
rear cover by inserting it with aiming painted marking to the front
of vehicle.
When oil leaks while removing final drive assembly, check oil
level after the installation. Refer to RFD-9, "
Checking Differential
Gear Oil" .
SDIA1969J
SDIA1970J
PDIA0754E
Page 5061 of 5621

RFD-18
REAR FINAL DRIVE ASSEMBLY
Revision: 2006 January2006 M35/M45
Disassembly and AssemblyNDS000F8
COMPONENTS
1. Drive pinion lock nut 2. Companion flange 3. Front oil seal
4. Pinion front bearing 5. Gear carrier 6. Side oil seal
7. Side flange 8. Collapsible spacer 9. Pinion rear bearing
10. Pinion height adjusting washer 11. Drive pinion 12. Side bearing adjusting washer
13. Side bearing 14. Side gear thrust washer 15. Circular clip
16. Side gear 17. Lock pin 18. Pinion mate gear
19. Pinion mate thrust washer 20. Pinion mate shaft 21. Drive gear
22. Differential case 23. Bearing cap 24. Filler plug
25. Gasket 26. Rear cover 27. Drain plug
A: Oil seal lip
B: Screw hole
C: After tightening the bolts to the specified torque, tighten the bolts additionally by turning the bolts 31 to 36 degrees.
Refer to GI-11, "
Components" and the followings for the symbols in the figure.
:Apply gear oil.
:Apply anti-corrosion oil.
:Apply Genuine Silicone RTV or equivalent. Refer to GI-48, "
Recommended Chemical Products and Sealants" .
:Apply Genuine High Strength Thread Locking Sealant or equivalent. Refer to GI-48, "
Recommended Chemical Prod-
ucts and Sealants" .
PDIA0986E
Page 5062 of 5621

REAR FINAL DRIVE ASSEMBLY
RFD-19
C
E
F
G
H
I
J
K
L
MA
B
RFD
Revision: 2006 January2006 M35/M45
ASSEMBLY INSPECTION AND ADJUSTMENT
Before inspection and adjustment, drain gear oil.
Total Preload Torque
1. Secure final drive assembly onto an attachment.
2. Remove side flanges.
3. Rotate drive pinion back and forth 2 to 3 times to check for unusual noise and rotation malfunction.
4. Rotate drive pinion at least 20 times to check for smooth opera-
tion of the bearing.
5. Measure total preload with the preload gauge.
NOTE:
Total preload torque = Pinion bearing preload torque + Side
bearing preload torque
If measured value is out of the specification, disassemble it to
check and adjust each part. Adjust the pinion bearing preload and side bearing preload.
Adjust the pinion bearing preload first, then adjust the side bearing preload.
Drive Gear Runout
1. Remove rear cover. Refer to RFD-22, "Differential Assembly" .
2. Fit a dial indicator to the drive gear back face.
3. Rotate the drive gear to measure runout.
If the runout is outside of the repair limit, check drive gear
assembly condition; foreign material may be caught between
drive gear and differential case, or differential case or drive gear
may be deformed, etc.
CAUTION:
Replace drive gear and drive pinion gear as a set.Tool number A: KV38100800 (J-25604-01)
Tool number A: ST3127S000 (J-25765-A)
Total preload torque:
2.84 - 3.75 Nꞏm (0.29 - 0.38 kg-m, 26 - 33 in-lb)
PDIA0766J
When the preload torque is large
On pinion bearings: Replace the collapsible spacer.
On side bearings: Use thinner side bearing adjusting washers by the same amount to
each side. Refer to RFD-38, "
Side Bearing Adjusting Washer" .
When the preload is small
On pinion bearings: Tighten the drive pinion lock nut.
On side bearings: Use thicker side bearing adjusting washers by the same amount to
each side. Refer to RFD-38, "
Side Bearing Adjusting Washer" .
Runout limit: 0.05 mm (0.0020 in)
SPD886
Page 5063 of 5621
RFD-20
REAR FINAL DRIVE ASSEMBLY
Revision: 2006 January2006 M35/M45
Tooth Contact
1. Remove rear cover. Refer to RFD-22, "Differential Assembly" .
2. Apply red lead to drive gear.
CAUTION:
Apply red lead to both the faces of 3 to 4 gears at 4 loca-
tions evenly spaced on drive gear.
3. Rotate drive gear back and forth several times, check drive pin-
ion gear to drive gear tooth contact.
CAUTION:
Check tooth contact on drive side and reverse side.
SPD357
SDIA0570E
SDIA0207E
Page 5064 of 5621

REAR FINAL DRIVE ASSEMBLY
RFD-21
C
E
F
G
H
I
J
K
L
MA
B
RFD
Revision: 2006 January2006 M35/M45
4. If tooth contact is improperly adjusted, follow the procedure
below to adjust the pinion height (dimension X).
If the tooth contact is near the face (face contact), or near the
heel (heel contact), thicken pinion height adjusting washers to
move drive pinion closer to drive gear.
Refer to RFD-38, "
Pinion Height Adjusting Washer" .
If the tooth contact is near the flank (flank contact), or near the
toe (toe contact), thin pinion height adjusting washers to move
drive pinion farther from drive gear.
Refer to RFD-38, "
Pinion Height Adjusting Washer" .
Backlash
1. Remove rear cover. Refer to RFD-22, "Differential Assembly" .
2. Fit a dial indicator to the drive gear face to measure the back-
lash.
If the backlash is outside of the specified value, change the
thickness of side bearing adjusting washer.
CAUTION:
Do not change the total amount of washers as it will change the bearing preload.
SDIA0517E
PDIA0440E
PDIA0441E
Backlash: 0.10 - 0.15 mm (0.0039 - 0.0059 in)
When the backlash is large:
Make drive gear back side adjusting washer thicker,
and drive gear tooth side adjusting washer thinner by
the same amount. Refer to RFD-38, "
Side Bearing
Adjusting Washer" .
When the backlash is small:
Make drive gear back side adjusting washer thinner,
and drive gear tooth side adjusting washer thicker by
the same amount. Refer to RFD-38, "
Side Bearing
Adjusting Washer" .
SPD513