2005 INFINITI QX4 Factory Service Manual

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Page 2049 of 3419

INFINITI QX4 2005 Factory Service Manual FFD-18
FRONT FINAL DRIVE ASSEMBLY
Revision: October 20052005 QX56
6. Remove seal using suitable tool as shown.
7. Remove rear cover from gear carrier.
8. For proper reinstallation, paint matching mark

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INFINITI QX4 2005 Factory Service Manual FRONT FINAL DRIVE ASSEMBLY
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11. Keep the side bearing outer races together with inner race. Do
not mix them up.
12. Remove side bearin

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INFINITI QX4 2005 Factory Service Manual FFD-20
FRONT FINAL DRIVE ASSEMBLY
Revision: October 20052005 QX56
16. Remove the pinion mate shaft.
17. Turn the pinion mate gear, then remove the pinion mate gear,
pinion mate thrust washer, side gea

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INFINITI QX4 2005 Factory Service Manual FRONT FINAL DRIVE ASSEMBLY
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5. Remove drive pinion (together with rear bearing inner race, col-
lapsible spacer.)
6. Remove pinion fron

Page 2053 of 3419

INFINITI QX4 2005 Factory Service Manual FFD-22
FRONT FINAL DRIVE ASSEMBLY
Revision: October 20052005 QX56
11. Remove drive pinion rear bearing inner race and drive pinion
height adjusting washer using Tool.
INSPECTION AFTER DISASSEMBLY
Cle

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INFINITI QX4 2005 Factory Service Manual FRONT FINAL DRIVE ASSEMBLY
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ADJUSTMENT AND SELECTION OF ADJUSTING WASHERS
Differential Side Gear Clearance
Assemble the differential p

FRONT FINAL DRIVE ASSEMBLY
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ADJUSTMENT AND SELECTION OF ADJUSTING WASHERS
Differential Side Gear Clearance
Assemble the differential parts if they are disassembled. Refer to FFD-17, "Differential Assembly" .
1. Place differential case straight up so that side gear to be mea-
sured comes upward.
2. Using feeler gauge, measure the clearance between side gear
back and differential case at 3 different points, while rotating
side gear. Average the 3 readings, and then measure the clear-
ance of the other side as well.
CAUTION:
To prevent side gear from tilting, insert feeler gauges with
the same thickness from both sides.
3. If the back clearance is outside the specification, use a thicker/
thinner side gear thrust washer to adjust. Refer to FFD-23, "
Dif-
ferential Side Gear Clearance" .
CAUTION:
Select a side gear thrust washer for right and left individually.
Pinion Gear Height
Drive gear and pinions are supplied in matched sets only.Match-
ing numbers on both pinion and drive gear are etched for verifi-
cation. If a new gear set is being used, verify the numbers of
each pinion gear and drive gear before proceeding with assem-
bly.
The mounting distance from the centerline of the drive gear to the back face of the pinion gear for the
M205 final drive is 103.5 mm (4.0748 inches).
On the button end of each pinion, there is etched a plus (+) number, a minus (-) number, or a zero (0),
which indicates the best running position for each particular gear set. This dimension is controlled by a
selective shim between the inner pinion bearing race and pinion gear.
For example: If a pinion is etched m+8 (+3), it would require 0.08 mm (0.003 inch) less shim than a pinion
etched “0”. This means decreasing shim thickness; increases the mounting distance of the pinion to 103.6
mm (4.0778 inches). If a pinion is etched m+8 (-3), it would require adding 0.08mm (0.003 inch) more to
the shim than would be required if the pinion were etched “0”. By adding 0.08 mm (0.003 inch), the mount-
PDIA0460E
Side gear back clearance specification
: 0.20 mm (0.0079 in) or less
When the back clearance is large:
Use a thicker thrust washer.
When the back clearance is small:
Use a thinner thrust washer.
SPD8 28
SDIA2241E

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INFINITI QX4 2005 Factory Service Manual FFD-24
FRONT FINAL DRIVE ASSEMBLY
Revision: October 20052005 QX56
ing distance of the pinion was decreased to 103.4 mm (4.0718 inches) which is just what a m-8 (-3) etch-
ing indicated.
To chan

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INFINITI QX4 2005 Factory Service Manual FRONT FINAL DRIVE ASSEMBLY
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2. Press-fit front bearing outer race with Tools.
3. Temporarily install drive pinion height adjusting wash

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