2008 INFINITI FX35 mount

DIFFERENTIAL GEAR OILRFD-9
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DIFFERENTIAL GEAR OIL
Changing Differential Gear OilINFOID:0000000001327495
DRAINING
1. Stop engine.
2. Remove drain plug (1) and drain gear oil.
3. Set a gasket on drain plug (1) and install it to final drive assem- bly and tighten to the specified torque. Refer to RFD-17, "
Disas-
sembly and Assembly".
CAUTION:
Never reuse gasket.
FILLING
1. Remove filler plug (1). Fill with new gear oil until oil level reaches the specified level near filler plug mounting hole.
2. After refilling oil, check oil level. Set a gasket to filler plug (1), then install it to final drive assembly. Refer to RFD-17, "
Disas-
sembly and Assembly".
CAUTION:
Never reuse gasket.
Checking Differential Gear OilINFOID:0000000001327496
OIL LEAKAGE AND OIL LEVEL
 Make sure that oil is not leaking from final drive assembly or around it.
 Remove filler plug (1) and check oil level from filler plug mounting hole as shown in the figure.
CAUTION:
Never start engine while checking oil level.
 Set a gasket on filler plug (1) and install it on final drive assembly.
Refer to RFD-17, "
Disassembly and Assembly".
CAUTION:
Never reuse gasket.
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Oil grade and Viscosity:
Refer to MA-9, "
Fluids and Lubricants".
Oil capacity:
Approx. 1.4 (3 US pt, 2-1/2 Imp pt)
PDIA0749J
PDIA0749J
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

REAR FINAL DRIVE ASSEMBLYRFD-17
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8. Remove the mounting bolts and nuts connecting to the suspen- sion member, and remove rear final drive assembly with a power
tool.
CAUTION:
Secure rear final drive assembly to a suitable jack while
removing it.
INSTALLATION
Note the following, and installation is in the reverse order of removal.
 Refer to "COMPONENTS" about each tightening torque.
 When installing breather hoses (1), refer to the figure.CAUTION:
Make sure there are no pinched or restricted areas on the
breather hose caused by bending or winding when installing
it.
- For installation, the vehicle side end shall be inserted to suspen- sion member (2). Install metal connector (3) side of this hose to
rear cover by inserting it with aiming painted marking to the front of
vehicle.
 When oil leaks while removing final drive assembly, check oil level
after the installation. Refer to RFD-9, "
Checking Differential Gear
Oil".
Disassembly and AssemblyINFOID:0000000001327500
COMPONENTS
SDIA1969J
SDIA1970J
PDIA0754E
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REAR FINAL DRIVE ASSEMBLYRFD-19
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2. Remove side flanges.
3. Rotate drive pinion back and forth 2 to 3 times to check for unusual noise and rotation malfunction.
4. Rotate drive pinion at least 20 times to check for smooth operation of the bearing.
5. Measure total preload with the 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.
Drive Gear Runout
1. Remove rear cover. Refer to "Differential Assembly".
2. Fit a dial indicator to the drive gear back face.
3. Rotate the drive gear to measure runout.
 If the runout is outside of the repair limit, check drive gear assem- bly condition; foreign material may be caught between drive gear
and differential case, or differential case or drive gear may be
deformed, etc.
CAUTION:
Replace drive gear and dri ve pinion gear as a set.
Tooth Contact
1. Remove rear cover. Refer to "Differential Assembly".Tool number A: KV38100800 (J-25604-01)
Tool number A: ST3127S000 (J-25765-A)
Total preload torque:
2.85 - 3.75 N·m (0.29 - 0.38 kg-m, 26 - 33 in-lb)
PDIA0766J
When the preload torque is largeOn pinion bearings: Replace the collapsible spacer.
On side bearings: Use thinner side bearing adjusting washers by the same amount to
each side. Refer to RFD-38, "
Inspection and Adjustment".
When the preload is small On pinion bearings: Tighten the drive pinion lock nut.
On side bearings: Use thicker side bearing adjusting washers by the same amount to
each side. Refer to RFD-38, "
Inspection and Adjustment".
Runout limit: 0.05 mm (0.0020 in)
SPD886
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REAR FINAL DRIVE ASSEMBLYRFD-21
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4. If tooth contact is improperly adjusted, follow the procedure
below to adjust the pinion height (dimension X).
 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 RFD-38, "
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 RFD-38, "
Inspection and Adjustment".
Backlash
1. Remove rear 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.
CAUTION:
SDIA0517E
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Backlash: 0.10 - 0.15 mm (0.0039 - 0.0059 in)
When the backlash is large: Make drive gear back side adjusting washer thicker,
and drive gear tooth side adjusting washer thinner by
the same amount. Refer to RFD-38, "
Inspection and
Adjustment".
When the backlash is small: Make drive gear back side adjusting washer thinner,
and drive gear tooth side ad justing washer thicker by
the same amount. Refer to RFD-38, "
Inspection and
Adjustment".
SPD513
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RFD-22
< SERVICE INFORMATION >
REAR FINAL DRIVE ASSEMBLY
Never change the total amount of washers as it will change the bearing preload.
Companion Flange Runout
1. Fit a test indicator to the inner side of companion flange (socket
diameter).
2. Rotate companion flange to check for runout.
3. If the runout value is outside t he 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.
c. If the runout value is still outside of the limit after the check and repair, replace companion flange.
DISASSEMBLY
Differential Assembly
1. Drain gear oil, if necessary.
2. Remove side flange.
3. Remove rear cover mounting bolts.
4. Remove rear cover to insert the seal cutter between gear carrier and rear cover.
CAUTION:
 Be careful not to damage the mating surface.
 Never insert flat-bladed screwdriver, this way damage the
mating surface.
5. Using two 45 mm (1.77 in) spacers, mount carrier on the attach- ment.Runout limit: 0.08 mm (0.0031 in)
PDIA0490E
Tool number A: KV10111100 (J-37228)
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Tool number A: KV38100800 (J-25604-01)
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RFD-24
< SERVICE INFORMATION >
REAR FINAL DRIVE ASSEMBLY
9. Remove side bearing inner race.To prevent damage to bearing, engage puller jaws in groove
().
CAUTION:
 To prevent damage to the side bearing and drive gear,
place copper plates between these parts and vise.
 It is not necessary to remove side bearing inner race
except it is replaced.
10. For proper reinstallation, paint matching marks on one differen- tial case assembly.
CAUTION:
For matching marks, use pain t. Never damage differential
case and drive gear.
11. Remove drive gear mounting bolts.
12. Tap drive gear off differential case assembly with a soft hammer. CAUTION:
Tap evenly all around to keep drive gear from bending.
13. Remove lock pin of pinion mate shaft with a punch from drive gear side.
14. Remove pinion mate shaft. Tool number A: ST33051001 (J-22888-20)
B: ST33061000 (J-8107-2)
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RFD-28
< SERVICE INFORMATION >
REAR FINAL DRIVE ASSEMBLY
3. Insert left and right original side bearing adjusting washers inplace between side bearings and gear carrier.
4. Install bearing caps in their correct locations and tighten bearing cap mounting bolts to the specified torque. Refer to "COMPO-
NENTS".
5. Turn the carrier several times to seat the bearings.
6. Measure the turning torque of the carrier at the drive gear mounting bolts with a spring gauge.
7. If the turning torque is outside the specification, use a thicker/ thinner side bearing adjusting washer to adjust. Refer to RFD-
38, "Inspection and Adjustment".
CAUTION:
Select a side bearing adjust ing washer for right and left
individually.
8. Record the total amount of washer thickness required for the correct carrier side bearing preload.
Pinion Gear Height
SPD558
SDIA1795E
Tool number : — (J-8129)
Specification:
34.2 - 39.2 N (3.5 - 4.0 kg, 7.7 - 8.8 lb) of pulling force at
the drive gear bolt
SPD194A
If the turning torque is l ess than the specified range:
Use a thicker thrust washer.
If the turning torque is gr eater than the specification:
Use a thinner thrust washer.
SPD772
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RFD-30
< SERVICE INFORMATION >
REAR FINAL DRIVE ASSEMBLY
6. Measure the turning torque at the end of the J-34309-2 gaugeanvil using preload gauge.
7. Place the J-34309-11 “R200A” pinion height adapter onto the gauge plate and tighten it by hand.
CAUTION:
Make sure all machined surfaces are clean.
8. Position the side bearing discs, J-25269-4, and arbor firmly into the side bearing bores. Install the bearing caps and tighten bear-
ing cap mounting bolts to the specified torque. Refer to "COM-
PONENTS".
9. Select the correct standard pinion height adjusting washer thick- ness. Select by using a standard gauge of 3 mm (0.12 in) and
your J-34309-101 feeler gauge. Measure the distance between
the J-34309-11 pinion height adapter including the standard
gauge and the arbor.
10. Write down exact measurement (the value of feeler gauge). Tool number : ST3127S000 (J-25765- A)
Turning torque specification:
1.0 - 1.3 N·m (0.11 - 0.13 kg-m, 9 - 11 in-lb)
PDIA0566E
SPD208A
SPD211A
SPD204A
SPD775
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