2007 INFINITI FX35 Service Manual

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Page 3129 of 4366

INFINITI FX35 2007 Service Manual FRONT FINAL DRIVE ASSEMBLY FFD-17
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FFD
Revision: 2006 July 2007 FX35/FX45
Disassembly and AssemblyNDS000CS
COMPONENTS (VQ35DE MODELS)
1. Drive pinion lock nut 2. Com

Page 3130 of 4366

INFINITI FX35 2007 Service Manual 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: Sc

Page 3131 of 4366

INFINITI FX35 2007 Service Manual FRONT FINAL DRIVE ASSEMBLY FFD-19
C E F
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FFD
Revision: 2006 July 2007 FX35/FX45
COMPONENTS (VK45DE MODELS)
1. Drive pinion lock nut 2. Companion flange 3. Front oil seal

Page 3132 of 4366

INFINITI FX35 2007 Service Manual FFD-20
FRONT FINAL DRIVE ASSEMBLY
Revision: 2006 July 2007 FX35/FX45
ASSEMBLY INSPECTION AND ADJUSTMENT
Before inspection and adjustment, drain gear oil.
Total Preload Torque
1. Rotate drive pinion b

FFD-20
FRONT FINAL DRIVE ASSEMBLY
Revision: 2006 July 2007 FX35/FX45
ASSEMBLY INSPECTION AND ADJUSTMENT
Before inspection and adjustment, drain gear oil.
Total Preload Torque
1. Rotate drive pinion back and forth 2 to 3 times to check for unusual noise and rotation malfunction.
2. Rotate drive pinion at least 20 times to check for smooth opera- tion of the bearing.
3. Measure total preload with 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.
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" .
Tool number A: ST3127S000 (J-25765-A)
Total preload torque:
1.56 - 2.65 N·m (0.16 - 0.27 kg-m, 14 - 23 in-lb)
PDIA0792J
When the preload torque is largeOn pinion bearings: Decrease the drive pinion bearing adjusting washer and drive pinion adjusting washer thickness. Refer to FFD-40, "
Drive Pinion Bearing
Adjusting Washer" and FFD-40, "Drive Pinion Adjusting Washer" .
On side bearings: Increase the side bearing adjusting shim thickness. Refer to FFD-40,
"Side Bearing Adjusting Shim" .
When the preload torque is small On pinion bearings: Increase the drive pinion bearing adjusting washer and drive pinion adjusting washer thickness. Refer to FFD-40, "
Drive Pinion Bearing
Adjusting Washer" and FFD-40, "Drive Pinion Adjusting Washer" .
On side bearings: Decrease the side bearing adjusting shim thickness. Refer to FFD-40,
"Side Bearing Adjusting Shim" .

Page 3133 of 4366

INFINITI FX35 2007 Service Manual FRONT FINAL DRIVE ASSEMBLY FFD-21
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Revision: 2006 July 2007 FX35/FX45
Drive Gear Runout
1. Remove carrier cover. Refer to FFD-34, "Differential Assembly" .
2. F

Page 3134 of 4366

INFINITI FX35 2007 Service Manual FFD-22
FRONT FINAL DRIVE ASSEMBLY
Revision: 2006 July 2007 FX35/FX45
4. If tooth contact is improperly adjusted, follow the procedure
below to adjust the pinion height (dimension X).
PDIA0667E
SDIA05

Page 3135 of 4366

INFINITI FX35 2007 Service Manual FRONT FINAL DRIVE ASSEMBLY FFD-23
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Revision: 2006 July 2007 FX35/FX45
If the tooth contact is near the face (face contact), or near the
heel (heel contact), th

FRONT FINAL DRIVE ASSEMBLY FFD-23
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Revision: 2006 July 2007 FX35/FX45
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-40, "
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 FFD-40, "
Pinion Height Adjusting Washer" .
Backlash
1. Remove carrier cover. Refer to FFD-34, "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.
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 proce- dure 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.
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.
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-40, "
Side Bearing Adjusting Washer" .
When the backlash is small: Increase side bearing adjusting washer thickness.
Refer to FFD-40, "
Side Bearing Adjusting Washer" .
SDIA0009J
Runout limit: 0.18 mm (0.0070 in)
Runout limit: 0.13 mm (0.0051 in)
PDIA0646E

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INFINITI FX35 2007 Service Manual FFD-24
FRONT FINAL DRIVE ASSEMBLY
Revision: 2006 July 2007 FX35/FX45
c. If the runout value is still outside of the limit after the check and repair, replace companion flange.
DISASSEMBLY
Side Shaft

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