front axle INFINITI FX35 2006 User Guide

EM-122
[VQ35DE]
ENGINE ASSEMBLY
Revision: 2006 December 2006 FX35/FX45

Do not allow engine mounting insulator to be damage and careful no engine oil gets on it.

For a location with a positioning pin, insert it securely into hole of mating part.

For a part with a specified installation orientation, refer to component figure in EM-118, "Components
(AWD Models)" .

When installing engine mounting bracket (RH and LH) on cylin-
der block, tighten two upper bolts (shown as “A” in the figure)
first. Then tighten two lower bolts (shown as “B” in the figure).

Install engine mounting bracket (RH) (lower) as follows:
–Temporarily tighten mounting bolts (shown as “C”, “D” and “E” in
the figure).
–Tighten mounting bolts to the specified torque with following
mounting surfaces touched.
 Engine mounting bracket (RH) to engine mounting bracket (RH) (lower) (shown as “C” and “D” in figure).
 Front final drive to engine mounting bracket (RH) (lower) (shown as “E” in figure).

Make sure all engine mounting insulators are seated properly,
then tighten mounting nuts.
INSPECTION AFTER INSTALLATION
Inspection for Leaks
The following are procedures for checking fluids leak, lubricates leak and exhaust gases leak.

Before starting engine, check oil/fluid levels including engine coolant and engine oil. If less than required
quantity, fill to the specified level. Refer to MA-12, "
RECOMMENDED FLUIDS AND LUBRICANTS" .

Use procedure below to check for fuel leakage.
–Turn ignition switch “ON” (with engine stopped). With fuel pressure applied to fuel piping, check for fuel
leakage at connection points.
–Start engine. With engine speed increased, check again for fuel leakage at connection points.

Run engine to check for unusual noise and vibration.

Warm up engine thoroughly to make sure there is no leakage of fuel, exhaust gases, or any oil/fluids
including engine oil and engine coolant.

Bleed air from lines and hoses of applicable lines, such as in cooling system.

After cooling down engine, again check oil/fluid levels including engine oil and engine coolant. Refill to the
specified level, if necessary.
Summary of the inspection items:
* Transmission/transaxle/CVT fluid. power steering fluid, brake fluid, etc.
PBIC3042E
Item Before starting engine Engine running After engine stopped
Engine coolant Level Leakage Level
Engine oil Level Leakage Level
Other oils and fluid* Level Leakage Level
Fuel Leakage Leakage Leakage
Exhaust gases — Leakage —

OIL PAN AND OIL STRAINER EM-187
[VK45DE]
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Revision: 2006 December 2006 FX35/FX45
OIL PAN AND OIL STRAINERP F P : 1111 0
ComponentsNBS003I1

Refer to GI-11, "Components" for symbol marks in the figure.
Removal and InstallationNBS003I2
REMOVAL
WARNING:
To avoid the danger of being scalded, do not drain engine oil when engine is hot.
1. Remove front road wheels and tires.
2. Remove hood assembly. Refer to BL-13, "
HOOD" .
3. Remove engine cover with power tool. Refer to EM-173, "
ENGINE ROOM COVER" .
4. Remove front and rear engine undercovers with power tool.
5. Drain engine oil. Refer to LU-27, "
Changing Engine Oil" .
CAUTION:

Perform this step when engine is cold.
1. Oil pan 2. O-ring 3. Crankshaft position sensor (POS)
4. Baffle plate 5. O-ring 6. Baffle plate
7. Oil pressure switch 8. Gasket 9. Oil strainer
10. Drain plug 11. Drain plug washer 12. O-ring
13. Oil cooler 14. Connector bolt 15. Oil filter
16. O-ring 17. Axle pipe 18. O-ring
19. Rear plate cover 20. Relief valve
A. Oil pan side B. Refer to LU-29
C. Refer to LU-28
PBIC4556E

OIL PAN AND OIL STRAINER EM-189
[VK45DE]
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Revision: 2006 December 2006 FX35/FX45
d. Insert seal cutter (SST) between oil pan and cylinder block. Slide seal cutter by tapping on the side of seal cutter with ham-
mer. Remove oil pan.
CAUTION:

Be careful not to damage the mating surfaces.

Do not insert screwdriver, this will damage the mating
surface.
e. Remove O-rings from bottom of oil pump and front cover.
20. As necessary, pull axle pipe from oil pan.

Hold pipes and pull them out to front drive shaft (left) installing side.
21. Remove oil strainer.
INSPECTION AFTER REMOVAL
Clean oil strainer if any object attached.
INSTALLATION
1. Install oil strainer.
2. Install axle pipe to oil pan, if removed.

Lubricate O-ring groove of axle pipe, O-ring, and O-ring joint
of oil pan with new engine oil.

Right/left O-ring diameters differ from each other. O-ring with
identification paint mark is installed on front drive shaft (left)
installing side.

Install axle pipe to oil pan from (left) side.
CAUTION:
Insert it with care to prevent O-ring from sliding.
3. Install oil pan as follows:
a. Use scraper to remove old liquid gasket from mating surfaces.

Also remove the old liquid gasket from mating surface of cylinder block.

Remove old liquid gasket from the bolt holes and threads.
CAUTION:
Do not scratch or damage the mating surfaces when cleaning off old liquid gasket.
b. Install new O-rings to oil pump and front cover side.
c. Apply a continuous bead of liquid gasket with tube presser [SST: WS39930000 ( — )] to the cylinder block mating surfaces of
oil pan to a limited portion as shown in the figure.
Use Genuine RTV Silicone Sealant or equivalent. Refer to
GI-48, "
RECOMMENDED CHEMICAL PRODUCTS AND SEAL-
ANTS".
CAUTION:
Attaching should be done within 5 minutes after coating.
d. Install oil pan. CAUTION:
Install avoiding misalignment of O-rings.
SEM365E
PBIC2336E
PBIC0195E

EM-214
[VK45DE]
TIMING CHAIN
Revision: 2006 December 2006 FX35/FX45
f. Further tighten by 90 degrees. (Angle tightening)

Check the tightening angle by referencing to the notches. The
angle between two notches is 90 degrees.
15. Rotate crankshaft pulley in normal direction (clockwise when viewed from engine front) to confirm it turns smoothly.
16. Install in the reverse order of removal after this step. NOTE:
If hydraulic pressure inside timing chain tensioner drops after removal/installation, slack in guide may gen-
erate a pounding noise during and just after engine start. However, this does not indicate an unusualness.
Noise will stop after hydraulic pressure rises.
INSPECTION AFTER INSTALLATION
Inspection for Leaks
The followings are procedures for checking fluids leak, lubricates leak and exhaust gases leak.

Before starting engine, check oil/fluid levels including engine coolant and engine oil. If less than required
quantity, fill to the specified level. Refer to MA-12, "
RECOMMENDED FLUIDS AND LUBRICANTS"

Use procedure below to check for fuel leakage.
–Turn ignition switch “ON” (with engine stopped). With fuel pressure applied to fuel piping, check for fuel
leakage at connection points.
–Start engine. With engine speed increased, check again for fuel leakage at connection points.

Run engine to check for unusual noise and vibration.

Warm up engine thoroughly to make sure there is no leakage of fuel, exhaust gases, or any oil/fluids
including engine oil and engine coolant.

Bleed air from lines and hoses of applicable lines, such as in cooling system.

After cooling down engine, again check oil/fluid levels including engine oil and engine coolant. Refill to the
specified level, if necessary.
Summary of the inspection items:
* Transmission/transaxle/CVT fluid. power steering fluid, brake fluid, etc.
PBIC2346E
Item Before starting engine Engine running After engine stopped
Engine coolant Level Leakage Level
Engine oil Level Leakage Level
Other oils and fluid* Level Leakage Level
Fuel Leakage Leakage Leakage
Exhaust gases — Leakage —

ENGINE ASSEMBLY EM-243
[VK45DE]
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Revision: 2006 December 2006 FX35/FX45
ENGINE ASSEMBLYPFP:10001
ComponentsNBS003IO
Removal and InstallationNBS003IP
WARNING:

Situate vehicle on a flat and solid surface.

Place chocks at front and back of rear wheels.

For engines not equipped with engine slingers, attach proper slingers and bolts described in
PARTS CATALOG.
CAUTION:

Always be careful to work safely, avoid forceful or uninstructed operations.

Do not start working until exhaust system and engine coolant are cool enough.

If items or work required are not covered by the engine section, refer to the applicable sections.

Always use the support point specified for lifting.

Use either 2-pole lift type or separate type lift as best you can. If board-on type is used for
unavoidable reasons, support at the rear axle jacking point with transmission jack or similar tool
before starting work, in preparation for the backward shift of center of gravity.

For supporting points for lifting and jacking point at rear axle, refer to GI-41, "Garage Jack and
Safety Stand" .
REMOVAL
Outline
At first, remove engine, transmission assembly and front final drive with front suspension member from vehicle
downward. Then separate engine from transmission.
1. Engine mounting insulator (rear) 2. Engine rear member 3. Grommet
4. Collar 5. Plate 6. Engine mounting bracket (LH)
7. Engine mounting insulator (LH) 8. Engine mounting bracket (RH) 9. Engine mounting insulator (RH)
PBIC2364E

FAX-1
FRONT AXLE
D DRIVELINE/AXLE
CONTENTS
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SECTION FA X
A
B
FA X
Revision: 2006 December 2006 FX35/FX45
FRONT AXLE
2WD
PREPARATION ...................................................... ..... 2
Special Service Tools (SST) ................................ ..... 2
Commercial Service Tools ................................... ..... 2
NOISE, VIBRATION AND HARSHNESS (NVH)
TROUBLESHOOTING ........................................... ..... 3
NVH Troubleshooting Chart ................................ ..... 3
FRONT WHEEL HUB AND KNUCKLE ................. ..... 4
On-Vehicle Inspection ......................................... ..... 4
WHEEL BEARING INSPECTION .................... ..... 4
Removal and Installation ..................................... ..... 4
COMPONENTS ............................................... ..... 4
REMOVAL ........................................................ ..... 4
INSPECTION AFTER REMOVAL .................... ..... 5
INSTALLATION ................................................ ..... 5
SERVICE DATA AND SPECIFICATIONS (SDS) ... ..... 6
Wheel Bearing ..................................................... ..... 6
AWD
PRECAUTIONS ..................................................... ..... 7
Caution ................................................................ ..... 7
PREPARATION ...................................................... ..... 8
Special Service Tools (SST) ................................ ..... 8
Commercial Service Tools ................................... ..... 8
NOISE, VIBRATION AND HARSHNESS (NVH)
TROUBLESHOOTING ........................................... ..... 9
NVH Troubleshooting Chart ................................ ..... 9
FRONT WHEEL HUB AND KNUCKLE ................. ... 10
On-Vehicle Inspection ......................................... ... 10 WHEEL BEARING INSPECTION ....................
... 10
Removal and Installation ..................................... ... 10
COMPONENTS ................................................ ... 10
REMOVAL ........................................................ ... 10
INSPECTION AFTER REMOVAL .................... ... 11
INSTALLATION ................................................ ... 11
FRONT DRIVE SHAFT .......................................... ... 12
Removal and Installation (Left Side) .................... ... 12
COMPONENTS ................................................ ... 12
REMOVAL ........................................................ ... 12
INSPECTION AFTER REMOVAL .................... ... 12
INSTALLATION ................................................ ... 12
Removal and Installation (Right Side) ................. ... 13
COMPONENTS ................................................ ... 13
REMOVAL ........................................................ ... 13
INSPECTION AFTER REMOVAL .................... ... 13
INSTALLATION ................................................ ... 14
Disassembly and Assembly (Left Side) ............... ... 14
COMPONENTS ................................................ ... 14
DISASSEMBLY ................................................ ... 15
INSPECTION AFTER DISASSEMBLY ............. ... 15
ASSEMBLY ...................................................... ... 16
Disassembly and Assembly (Right Side) ............. ... 19
COMPONENTS ................................................ ... 19
DISASSEMBLY ................................................ ... 20
INSPECTION AFTER DISASSEMBLY ............. ... 20
ASSEMBLY ...................................................... ... 21
SERVICE DATA AND SPECIFICATIONS (SDS) ... ... 25
Wheel Bearing ..................................................... ... 25
Drive Shaft ........................................................... ... 25

NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING FAX-3
[2WD]
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Revision: 2006 December 2006 FX35/FX45
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTINGPFP:00003
NVH Troubleshooting ChartNDS000BW
Use chart below to help you find the cause of the symptom. If necessary, repair or replace these parts.
× : Applicable
Reference page
FA X -4—
FA X -4
NVH in WT section
NVH in WT section
NVH in PS section
Possible cause and SUSPECTED PARTS
Improper installation, looseness
Parts interference
Wheel bearing damage
TIRES
ROAD WHEEL
STEERING
Symptom FRONT AXLE Noise
×× ×××
Shake ×× ×××
Vibration ×× × ×
Shimmy ×× ×××
Judder × ×××
Poor quality ride or handling ×××××

FRONT WHEEL HUB AND KNUCKLE FAX-5
[2WD]
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FA X
Revision: 2006 December 2006 FX35/FX45
6. Use a ball joint remover (SST) to remove steering outer socket from steering knuckle. Be careful not to damage ball joint boot.
CAUTION:
Tighten temporarily mounting nut to prevent damage to
threads and to prevent ball joint remover (SST) from com-
ing off.
7. Remove cotter pin at transverse link, then loosen mounting nut.
8. Use a ball joint remover (SST) to remove transverse link from steering knuckle. Be careful not to damage ball joint boot.
CAUTION:
Tighten temporarily mounting nut to prevent damage to
threads and to prevent ball joint remover (SST) from com-
ing off.
9. Remove fixing bolts and nuts between strut assembly and steer- ing knuckle with power tool.
10. Remove steering knuckle from vehicle.
11. Remove fixing bolts between steering knuckle and wheel hub and bearing assembly with power tool.
12. Remove splash guard and wheel hub and bearing assembly from steering knuckle.
INSPECTION AFTER REMOVAL
Check for deformity, cracks and damage on each parts, replace if necessary.
Ball Joint Inspection

Check for boot breakage, axial looseness, and torque of transverse link and steering outer socket ball
joint. Refer to FSU-14, "
TRANSVERSE LINK" , PS-17, "POWER STEERING GEAR AND LINKAGE" .
INSTALLATION

Refer to FAX-4, "Removal and Installation" for tightening torque. Install in the reverse order of removal.
NOTE:
Refer to component parts location and do not reuse non-reusable parts.

After removing/installing or replacing axle components, check wheel alignment. Refer to FSU-6, "Wheel
Alignment Inspection" .

After adjusting wheel alignment, adjust neutral position of steering angle sensor. Refer to BRC-6, "Adjust-
ment of Steering Angle Sensor Neutral Position" .

Check the following item after service
–Installation condition of wheel sensor harness
SDIA1434E
SDIA1435E

NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING FAX-9
[AWD]
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Revision: 2006 December 2006 FX35/FX45
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTINGPFP:00003
NVH Troubleshooting ChartNDS000C3
Use chart below to help you find the cause of the symptom. If necessary, repair or replace these parts.
× : Applicable Reference page
—
FAX-15—
FAX-10—
FAX-10
NVH in FFD section
NVH in FAX and FSU section
Refer to FRONT AXLE in this chart. NVH in WT section
NVH in WT section
Refer to DRIVE SHAFT in this chart. NVH in BR section
NVH in PS section
Possible cause and SUSPECTED PARTS
Excessive joint angle
Joint sliding resistance
Imbalance
Improper installation, looseness
Parts interference
Wheel bearing damage
FRONT DIFFERENTIAL
FRONT AXLE AND FRONT SUSPENSION
FRONT AXLE
TIRES
ROAD WHEEL
DRIVE SHAFT
BRAKES
STEERING
Symptom DRIVE
SHAFT Noise
×× ×××××× ××
Shake ×× ×××××××
FRONT
AXLE Noise
×××× ××××××
Shake ××× ××××××
Vibration ××× ××××
Shimmy ×× ××× ××
Judder ××××××
Poor quality ride or handling ×× ×××

FAX-14
[AWD]
FRONT DRIVE SHAFT
Revision: 2006 December 2006 FX35/FX45

Check boot for cracks or other damage, and also for grease
leakage.

If a trouble is found, disassemble drive shaft, and then replace
with new one.
INSTALLATION

Refer to FAX-13, "Removal and Installation (Right Side)" for tightening torque. Install in the reverse order
of removal.
NOTE:
Refer to component parts location and do not reuse non-reusable parts.

Check the following item after service.
–Installation condition of wheel sensor harness.

Place the protector [SST: KV38107900 ( – )] onto transaxle
to prevent damage to the oil seal while inserting drive shaft.
Slide drive shaft sliding joint and tap with a hammer to install
securely. (right side)
CAUTION:
Be sure to check that circular clip is securely fastened.
Disassembly and Assembly (Left Side)NDS000C8
COMPONENTS
SFA108A
SDIA0593E
1. Plug 2. Housing 3. Snap ring
4. Spider assembly 5. Boot band 6. Boot
7. Shaft 8. Circular clip 9. Joint sub-assembly
Refer to GI-11, "
Components" and the following for the symbols in the figure.
: Apply Nissan genuine grease or equivalent.
PDIA1220E