2003 NISSAN X-TRAIL Electronic Repair Manual

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Page 2833 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual REAR FINAL DRIVE ASSEMBLY
RFD-11
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RFD
REAR FINAL DRIVE ASSEMBLYPFP:38300
Removal and InstallationEDS000DG
REMOVAL
1. Remove rear suspension assembly. Refer toRSU-5, "REAR SUSPENS

Page 2834 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual RFD-12
REAR FINAL DRIVE ASSEMBLY
Electronically Controlled Coupling Breather Hose
EDS0005F
CAUTION:
lRefer to the figure for removal and installation procedure of the electronically controlled couplin

Page 2835 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual REAR FINAL DRIVE ASSEMBLY
RFD-13
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RFD
Rear Final Drive Breather HoseEDS0005G
CAUTION:
lRefer to the figure for removal and installation of rear final drive breather hose.
lWhen i

Page 2836 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual RFD-14
REAR FINAL DRIVE ASSEMBLY
Components
EDS0005H
SDIA0113E

Page 2837 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual REAR FINAL DRIVE ASSEMBLY
RFD-15
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RFD
Inspection Before DisassemblyEDS0005I
OVERALL PRELOAD TORQUE
1. Drain the oil.
2. Remove electronically controlled coupling assembly.
Refer

REAR FINAL DRIVE ASSEMBLY
RFD-15
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RFD
Inspection Before DisassemblyEDS0005I
OVERALL PRELOAD TORQUE
1. Drain the oil.
2. Remove electronically controlled coupling assembly.
Refer to “Electronically Controlled Coupling Assembly”.
3. Rotate the drive pinion gear back and forth in 2 - 3 times to check for abnormal noise and rotation mal-
function.
4. Rotate the drive pinion gear at least 20 times to check for
smooth operation of the bearing.
5. Fit the drive pinion gear socket onto the drive pinion gear spline.
Using a preload gauge, measure the overall preload torque.
lIf outside the standard, disassemble, check, and adjust each
part. Adjust the pinion bearing and side bearing preload.
Adjust the pinion bearing preload first, then adjust the side bear-
ing preload.
Side bearing adjusting shims
HYPOID GEAR BACKLASH
1. Drain the oil.
2. Remove the rear cover. Refer toRFD-20, "
Removal of differen-
tial assembly".
3. Following the procedure below, install a dummy cover set to the
gear carrier.
a. Fit dummy cover shims to the right and left side bearing adjust-
ing shims.
b. Temporarily tighten a dummy cover to the carrier case.
c. Position a dummy cover spacer to the dummy cover.
d. Tighten rear cover mounting bolts to the specified torque.
e. Tighten dummy cover spacer mounting bolts evenly to the spec-
ified torque.Overall preload torque:
1.33 - 2.15 N·m (0.14 - 0.21 kg-m,12 - 19 in-lb)
When the preload torque is large
On pinion bearings : Replace the collapsible spacer.
On side bearings : Use thinner side bearing adjusting shims.
When the preload is small
On pinion bearings : Tighten the pinion nut.
On side bearings : Use thicker side bearing adjusting shims.
PDG0207D
Thickness Part No. Thickness Part No. Thickness Part No.
1.85 mm (0.0728 in)
1.90 mm (0.0748 in)
1.95 mm (0.0768 in)
2.00 mm (0.0787 in)38453 4N200
38453 4N201
38453 4N202
38453 4N2032.05 mm (0.807 in)
2.10 mm (0.0827 in)
2.15 mm (0.0854 in)
2.20 mm (0.0866 in)38453 4N204
38453 4N205
38453 4N206
38453 4N2072.25 mm (0.0866 in)
2.30 mm (0.0906 in)
2.35 mm(0.0925 in)38453 4N208
38453 4N209
38453 4N210
: 31 - 36 N·m (3.2 - 3.6 kg-m,23 - 26 ft-lb)
: 5.9 N·m (0.6 kg-m,52 in-lb)
SDIA0562E
PDG0209D

Page 2838 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual RFD-16
REAR FINAL DRIVE ASSEMBLY
4. Fit a dial gauge to the drive gear face to measure the backlash.
lIf outside the standard, change the thickness of the side bearing adjusting shims.
Side bearing ad

RFD-16
REAR FINAL DRIVE ASSEMBLY
4. Fit a dial gauge to the drive gear face to measure the backlash.
lIf outside the standard, change the thickness of the side bearing adjusting shims.
Side bearing adjusting shims
DRIVE GEAR BACK RUNOUT
1. Drain the oil.
2. Remove the rear cover.Refer toRFD-20, "
Removal of differen-
tial assembly".
3. Attach dummy cover set. Refer toRFD-15, "
HYPOID GEAR
BACKLASH".
4. Fit a dial gauge to the drive gear back face.
5. Rotate the drive gear to measure runout.
lIf outside the repair limit, check drive gear assembly condition;
foreign material may be caught between drive gear and differen-
tial case, or differential case or drive gear may be deformed, etc.
CAUTION:
Replace the drive gear and drive pinion gear as a set.
COMPANION FLANGE RUNOUT
1. Fit a dial gauge onto the companion flange face (inner side of
the propeller shaft mounting bolt holes).
2. Rotate the companion flange to check for runout.
3. Fit a test indicator to the inner side of the companion flange
(socket diameter).
4. Rotate the companion flange to check for runout.
5. If the runout value is outside the repair limit, follow the procedure
below to adjust.
a. Check for runout while changing the phase between companion flange and drive pinion gear by 90°step,
and search for the point where the runout is the minimum.
b. If the runout value is still outside of the limit after the phase has been changed, replace the companion
flange.
c. If the runout value is still outside of the limit after the companion flange has been replaced, possible cause
will be an assembly malfunction of the drive pinion gear and the electronically controlled coupling, mal-
functioning coupling bearing, or malfunctioning electronically controlled coupling.Backlash : 0.10 - 0.15 mm (0.0039 - 0.0059 in)
When the backlash is large:
Make the drive gear back adjusting shims thicker, and the drive gear front adjusting
shims thinner.
When the backlash is small:
Make the drive gear back adjusting shims thinner, and the drive gear front adjusting
shims thicker.
Thickness Part No. Thickness Part No. Thickness Part No.
1.85 mm (0.0728 in)
1.90 mm (0.0748 in)
1.95 mm (0.0768 in)
2.00 mm (0.0787 in)38453 4N200
38453 4N201
38453 4N202
38453 4N2032.05 mm (0.0807 in)
2.10 mm (0.0827 in)
2.15 mm (0.0854 in)
2.20 mm (0.0866 in)38453 4N204
38453 4N205
38453 4N206
38453 4N2072.25 mm (0.0886 in)
2.30 mm (0.0906 in)
2.35 mm (0.0925 in)38453 4N208
38453 4N209
38453 4N210
Runout limit : 0.05 mm (0.0020 in)
PDG0210D
Runout limit : 0.13 mm (0.0051 in)
Runout limit : 0.19 mm (0.0075 in)
SDIA0569E

Page 2839 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual REAR FINAL DRIVE ASSEMBLY
RFD-17
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RFD
TOOTH CONTACT
1. Drain the oil.
2. Remove the rear cover. Refer toRFD-20, "
Removal of differen-
tial assembly"
3. Attach dummy cover set. R

Page 2840 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual RFD-18
REAR FINAL DRIVE ASSEMBLY
6. If the tooth contact is improperly adjusted, follow the procedure
below to adjust the pinion height (dimension X in the figure).
Drive pinion gear adjusting shim
lI

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