Infiniti FX35 / FX45. Manual - part 703

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< SERVICE INFORMATION >

FRONT FINAL DRIVE ASSEMBLY

4.

If tooth contact is improperly adjusted, follow the procedure
below to adjust the pinion height (dimension X).

PDIA0667E

SDIA0517E

FRONT FINAL DRIVE ASSEMBLY

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• 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 

FFD-39, "Inspection and Adjustment"

.

• 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 

FFD-39, "Inspection and Adjustment"

.

Backlash

1.

Remove carrier cover. Refer to "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 thick-

ness of side bearing adjusting washer.

Companion Flange Runout

1.

Fit a dial indicator onto the companion flange face (inner side of
the propeller shaft mounting bolt holes).

2.

Rotate companion flange to check for runout.

3.

Fit a test indicator to the inner side of companion flange (socket
diameter).

4.

Rotate companion flange to check for runout.

5.

If the runout value is outside the runout limit, follow the procedure below to adjust.

a.

Check for runout while changing the phase between companion flange and drive pinion by 90

°

 step, and

search for the position where the runout is the minimum.

PDIA0440E

PDIA0441E

Backlash:

0.10 - 0.15 mm (0.0039 - 0.0059 in)

When the backlash is large:

Decrease side bearing adjusting washer thickness. 
Refer to 

FFD-39, "Inspection and Adjustment"

.

When the backlash is small:

Increase side bearing adjusting washer thickness. Re-
fer to 

FFD-39, "Inspection and Adjustment"

.

SDIA0009J

Runout limit:

0.18 mm (0.0071 in)

Runout limit:

0.13 mm (0.0051 in)

PDIA0646E

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< SERVICE INFORMATION >

FRONT FINAL DRIVE ASSEMBLY

b.

If the runout value is still outside of the limit after the phase has been changed, possible cause will be an
assembly malfunction of drive pinion and pinion bearing and malfunction of pinion bearing. Check for
these items and repair if necessary.

c.

If the runout value is still outside of the limit after the check and repair, replace companion flange.

DISASSEMBLY

Side Shaft Assembly

1.

Hold extension tube retainer with puller, then press out side
shaft using a press.

2.

Remove side shaft oil seal (1) from extension tube retainer with
a flat- blade screwdriver.

CAUTION:

Be careful not to damage extension tube retainer.

3.

Remove side shaft bearing from extension tube retainer.

4.

Remove O-ring from extension tube retainer.

5.

Remove dust sealed from side shaft.

Differential Assembly

1.

Drain gear oil.

2.

Remove carrier cover mounting bolts.

3.

Remove carrier cover to insert the seal cutter between gear car-
rier and carrier cover.

CAUTION:

• Be careful not to damage the mating surface.
• Never insert flat-bladed screwdriver, this way damage the

mating surface.

4.

Remove side retainer.

5.

Remove side bearing adjusting shim.

6.

Remove O-ring from side retainer.

PDIA0793J

PDIA0794J

Tool number

A: KV10111100 (J-37228)

PDIA0795J

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FRONT FINAL DRIVE ASSEMBLY

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7.

Remove differential case assembly from gear carrier.

8.

Remove side oil seal (right side) from side retainer.

9.

Remove side bearing outer race with puller.

10. Remove O-ring from gear carrier.

11. Remove side oil seal (left side) from gear carrier.

12. Remove side bearing outer race with puller.

PDIA0671E

PDIA0672E

Tool number

A: KV381054S0 (J-34286)

PDIA0796J

Tool number

A: KV381054S0 (J-34286)

PDIA0797J