2004 INFINITI FX35 Service Manual

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Page 3065 of 4449

INFINITI FX35 2004 Service Manual FFD-30
FRONT FINAL DRIVE ASSEMBLY
Revision: 2004 November 2004 FX35/FX45
TOOTH CONTACT INSPECTION
Checking gear tooth contact pattern is necessary to verify correct relationship between drive gear and

Page 3066 of 4449

INFINITI FX35 2004 Service Manual FRONT FINAL DRIVE ASSEMBLY
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Revision: 2004 November 2004 FX35/FX45
TOOTH CONTACT PATTERN AND HEIGHT ADJUSTING WASHER SELECTION
TOOTH CONTACT ADJUSTMENT
1. If tooth con

Page 3067 of 4449

INFINITI FX35 2004 Service Manual FFD-32
FRONT FINAL DRIVE ASSEMBLY
Revision: 2004 November 2004 FX35/FX45
2. If there is heel contact or face contact, increase point height
adjusting washer in order to bring drive pinion close to dri

Page 3068 of 4449

INFINITI FX35 2004 Service Manual FRONT FINAL DRIVE ASSEMBLY
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TOTAL PRELOAD INSPECTION
1. Turn companion flange in both directions 20 times or more to set
bearing

FRONT FINAL DRIVE ASSEMBLY
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TOTAL PRELOAD INSPECTION
1. Turn companion flange in both directions 20 times or more to set
bearing rollers, then check total preload with special service tool.
If the preload value is out of standard, adjust by changing side
bearing adjusting shim thickness (side retainer side).
–If preload value too large, increase the side bearing adjusting
shim thickness.
–If preload value too small, decrease the side bearing adjusting shim thickness.
DRIVE PINION PRELOAD ADJUSTMENT
Removal of differential case assembly
1. Unfasten the retainer tab using a flat blade screwdriver.
2. Remove the retainer by pulling it and tapping carrier case using a plastic hammer.
3. Remove the differential case assembly from the carrier case.
CAUTION:
Be careful not to damage the carrier cover mating surface.
Removal of drive pinon assembly
1. Hold the companion flange using cam sprocket wrench or flange
wrench, remove the drive pinion lock nut.
2. Remove the companion flange using puller.
3. Temporarily install drive pinion lock nut.
CAUTION:
Avoid damaging drive pinion threads, install the drive pinion lock nut unit it flash with drive pinion
end.
4. Remove the drive pinion from the carrier case using a copper hammer.
Preload Adjustment
1. Install drive pinion adjusting washer and drive pinion bearing adjusting washer onto the drive pinion, then
install drive pinion into the carrier case.
CAUTION:
Install the removed pinion height adjusting washer and drive pinion bearing adjusting washer or
same thickness washers to drive pinion.
2. Apply gear oil to the bearing portion.
3. Install drive pinion and drive pinion bearing into the carrier case.
4. Install the companion flange without installing oil seal.
5. Apply oil to drive pinion nut threads and seating surface, then temporarily install it.
6. Turn companion flange several times to seat the bearing.
7. Tighten the drive pinion nut while measuring preload using preload gauge.
8. Select drive pinion adjusting washer and drive pinion bearing adjusting washer so that standard preload is
obtain when the drive pinion nut is tightened to specified torque.Tool number : ST3127S000 (see J25765-A)
Total preload (without oil seal)
: 1.56 - 2.65 N·m
(0.16 - 0.27 kg-m, 14 - 23 in-lb)
SDIA1649E
Tool number : KV40104000 (−)
SDIA1658E

Page 3069 of 4449

INFINITI FX35 2004 Service Manual FFD-34
FRONT FINAL DRIVE ASSEMBLY
Revision: 2004 November 2004 FX35/FX45
CAUTION:
Tighten the drive pinion nut by very small degrees until the specified preload in achieved. Do
not tighten nut more t

Page 3070 of 4449

INFINITI FX35 2004 Service Manual FRONT FINAL DRIVE ASSEMBLY
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Installation of differential case assembly
1. Apply gear oil to side bearing, then install the diffe

FRONT FINAL DRIVE ASSEMBLY
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Installation of differential case assembly
1. Apply gear oil to side bearing, then install the differential case assembly into carrier case.
CAUTION:
Be careful not damage the carrier cases mating surface.
2. Apply multi-purpose grease to the oil seal lips.
3. Install oil seal into the side retainer using drift.
CAUTION:
After tightening the bolt, wipe off excess sealant from
inside of case.
4. Apply liquid sealant to side retainer mounting hole of carrier case.
5. Install selected side bearing adjusting shim and O-ring to the side retainer, then install it to carrier case.
CAUTION:
After installing adjusting shim onto side retainer, apply gear oil to O-ring and install it.
6. Tighten side retainer mounting bolt to specified torque. Refer to FFD-14, "
COMPONENTS (VQ35DE)" or
FFD-16, "
COMPONENTS (VK45DE)" .
After InspectionADS000NS
1. Turn drive pinion and drive gear several times.
Set dial indicator to the drive gear face and measure the back-
lash.
If the measured value out of standard, adjust the backlash by
replacing the side bearing adjusting shim (carrier case side.)
–If backlash too large, decrease side bearing adjusting shim
thickness.
–If backlash too small, increase side bearing adjusting shim
thickness.
2. Check the back face of drive gear runout.
3. Set dial gauge to back of drive gear and measure the drive gear runout.
If the runout is exceed limit, check for drive gear assembly:
–any object between the drive gear and differential case.
–deformed differential case.
–deformed drive gear
if drive gear is deformed, replace the hypoid gear as an
assembly. If the differential case is deformed, replace the dif-
ferential case.
4. Check the companion flange face and inside diameter runout.
a. Set the dial gauge to the companion flange face and measure
runout.
b. Set the dial gauge to the inside diameter of the companion flange and measure the runout.
Mark paint to maximum runout position.Tool number : ST33400001 (J26082)
SDIA1682E
Standard drive gear backlash : 0.10 - 0.15 mm
(0.0039 - 0.0059 in)
Runout limit : 0.05 mm (0.0020 in) or less
Runout limit : 0.18 mm (0.0070 in) or less
Runout limit : 0.13 mm (0.0051 in) less
SDIA0009J
SDIA1651E

Page 3071 of 4449

INFINITI FX35 2004 Service Manual FFD-36
FRONT FINAL DRIVE ASSEMBLY
Revision: 2004 November 2004 FX35/FX45
CAUTION:
Clean inside of companion flange before measuring runout.
If runout is exceed limit, remove the companion from the dr

Page 3072 of 4449

INFINITI FX35 2004 Service Manual SERVICE DATA AND SPECIFICATIONS (SDS)
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Revision: 2004 November 2004 FX35/FX45
SERVICE DATA AND SPECIFICATIONS (SDS)PFP:00030
General SpecificationsADS000NE
Drive Gear

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