oil level INFINITI M35 2007 Factory Service Manual

RSU-10
SHOCK ABSORBER
Revision: 2007 April2007 M35/M45
SHOCK ABSORBERPFP:56210
Removal and InstallationNES000JA
REMOVAL
1. Remove tires from vehicle with a power tool.
2. Set a jack under rear lower link to relieve the coil spring tension.
3. Remove shock absorber lower end bolt with a power tool.
4. Gradually lower the jack to remove it from rear lower link.
5. Remove shock absorber assembly upper end nuts with a power
tool, and then remove shock absorber assembly from vehicle.
INSPECTION AFTER REMOVAL

Check shock absorber assembly for deformation, cracks, damage, and replace if there are.

Check welded and sealed areas for oil leakage, and replace if there are.
INSTALLATION

Installation is the reverse order of removal. For tightening torque. Refer to RSU-7, "Components" .
CAUTION:
Do not reuse non-reusable parts.

Perform final tightening of shock absorber assembly lower side (rubber bushing) under unladen condition
with tires on level ground. Check wheel alignment. Refer to RSU-5, "
Wheel Alignment Inspection" .

Adjust neutral position of steering angle sensor after checking the wheel alignment. Refer to BRC-6,
"Adjustment of Steering Angle Sensor Neutral Position" .
Disassembly and AssemblyNES000JB
DISASSEMBLY
CAUTION:
Make sure piston rod on shock absorber is not damaged when removing components from shock
absorber.
1. Remove mounting seal from mounting bracket.
2. Wrap a shop cloth around lower side of shock absorber and secure it in a vise.
CAUTION:
Do not set the cylindrical part of shock absorber in a vise.
3. Secure the piston rod tip so that piston rod does not turn, and
remove piston rod lock nut.
4. Remove washer, distance tube, bushing, bound bumper cover
and bound bumper from shock absorber.
INSPECTION AFTER DISASSEMBLY
Bound Bumper and Bushing
Check bound bumper cover and bushing for cracks and damage. Replace if there are.
FA-0274D
SEIA0218J

RSU-14
RADIUS ROD
Revision: 2007 April2007 M35/M45
RADIUS RODPFP:55110
Removal and InstallationNES000JD
REMOVAL
1. Remove tire with a power tool.
2. Remove brake caliper with a power tool. Hang it in a place where it will not interfere with work. Refer to
BR-28, "
REAR DISC BRAKE" .
CAUTION:
Do not depressing brake pedal while brake caliper is removed.
3. Put matching marks on both disc rotor and the wheel hub and
bearing assembly. then remove disc rotor.
4. Remove rear lower link and coil spring. Refer to RSU-16, "
REAR
LOWER LINK & COIL SPRING" .
5. Remove mounting bolt in lower side of shock absorber with a
power tool.
6. Remove mounting bolt and nut in axle side of front lower link
with a power tool.
7. Remove mounting bolt and nut in axle side of radius rod with a
power tool.
8. Remove mounting bolt in rear suspension member side of
radius rod with a power tool, then remove radius rod from vehicle.
INSPECTION AFTER REMOVAL
Check radius rod and bushing for any deformation, cracks, or damage. Replace if there are.
INSTALLATION

Installation is the reverse order of removal. For tightening torque. Refer to RSU-7, "Components" .
CAUTION:
Do not reuse non-reusable parts.

Assemble disc rotor and wheel hub and bering assembly by
aligning each matching mark as shown in the figure when install-
ing disc rotor.

Perform final tightening of rear suspension member and axle
installation position (rubber bushing) under unladen condition
with tires on level ground. Check wheel alignment. Refer to
RSU-5, "
Wheel Alignment Inspection" .

Adjust neutral position of steering angle sensor after checking
the wheel alignment. Refer to BRC-6, "
Adjustment of Steering
Angle Sensor Neutral Position" .
SDIA2638E
SDIA2638E

FRONT LOWER LINK
RSU-15
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RSU
Revision: 2007 April2007 M35/M45
FRONT LOWER LINKPFP:55110
Removal and InstallationNES000JE
REMOVAL
1. Remove tire with a power tool.
2. Set a jack under rear lower link to relieve the coil spring tension.
3. Remove mounting nut and bolt between front lower link and rear suspension member with a power tool.
4. Remove mounting nut and bolt between front lower link and axle with a power tool.
5. Remove front lower link from vehicle.
INSPECTION AFTER REMOVAL
Check front lower link and bushing for any deformation, cracks, or damage. Replace if there are.
INSTALLATION

Installation is the reverse order of removal. For tightening torque. Refer to RSU-7, "Components" .
CAUTION:
Do not reuse non-reusable parts.

Perform the final tightening of rear suspension member and axle installation position (rubber bushing)
under unladen condition with tires on level ground. Check wheel alignment. Refer to RSU-5, "
Wheel Align-
ment Inspection" .

Adjust neutral position of steering angle sensor after checking the wheel alignment. Refer to Refer to
BRC-6, "
Adjustment of Steering Angle Sensor Neutral Position" .

RSU-16
REAR LOWER LINK & COIL SPRING
Revision: 2007 April2007 M35/M45
REAR LOWER LINK & COIL SPRINGPFP:551B0
Removal and InstallationNES000JF
REMOVAL
1. Remove tire with a power tool.
2. Set a jack under rear lower link to relieve the coil spring tension.
3. Loosen mounting bolt and nut of rear lower link inside of suspension member, and then remove mounting
bolt and nut inside of axle with a power tool.
4. Slowly lower jack, then remove upper seat, coil spring and rubber sheet from rear lower link.
5. Remove mounting bolt and nut inside of suspension member to remove rear lower link with a power tool.
INSPECTION AFTER REMOVAL
Check rear lower link, bushing and coil spring for deformation, cracks, and damage. Replace rear lower link
and coil spring if there are.
INSTALLATION

Installation is the reverse order of removal. For tightening torque. Refer to RSU-7, "Components" .
CAUTION:
Do not reuse non-reusable parts.

Make sure that upper seat is attached as shown in the figure.
CAUTION:
Make sure that the projecting parts (3) on upper seat inside
is securely fitted on the bracket tabs(3).

Match up rubber seat indentions and rear lower link grooves and
attach.
CAUTION:
Make sure spring is not up side down. The top and bottom
are indicated by paint color.

Perform the final tightening of rear suspension member and axle
installation position (rubber bushing) under unladen condition
with tires on level ground. Check wheel alignment. Refer to
RSU-5, "
Wheel Alignment Inspection" .

Adjust neutral position of steering angle sensor after checking
the wheel alignment. Refer to BRC-6, "
Adjustment of Steering
Angle Sensor Neutral Position" .
SEIA0333E

TROUBLE DIAGNOSIS
STC-9
[EPS]
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STC
Revision: 2007 April2007 M35/M45
For Fast and Accurate Trouble DiagnosisNGS000E1
Check the following items with the vehicle stopped

Is air pressure and size of tires proper?

Is the specified part used for the steering wheel?

Is control unit a genuine part?

Are there any fluid leakage from steering gear assembly, power steering oil pump, and hydraulic pipes,
etc? Refer to PS-8, "
Checking Fluid Leakage" .

Is the fluid level proper? Refer to PS-8, "Checking Fluid Level" .

Is the wheel alignment adjusted properly? Refer to FSU-6, "Wheel Alignment Inspection" (2WD), FSU-24,
"Wheel Alignment Inspection" (AWD).

Are there any damage or modification to suspension or body resulting in increased weight or altered
ground clearance?

Check each link installation condition of suspension and axle.

Check each connector connection condition.
Check the following items while driving the vehicle

Check conditions when the malfunction occurred (5W 1H).

Is the engine condition normal?
Basic InspectionNGS000E2
POWER SUPPLY CIRCUIT TERMINAL LOOSENESS AND BATTERY
Check battery terminals for looseness on both positive and negative ones and ground connection. Also make
sure that battery voltage does not drop.
Inspection: Power Steering Control Unit Power Supply Circuit and GroundNGS000E3
1. CHECK POWER STEERING CONTROL UNIT CONNECTOR
Turn ignition switch OFF, disconnect power steering control unit harness connector, and check terminal for
deformation, disconnection, looseness, etc.
OK or NG
OK >> GO TO 2.
NG >> Connector terminal connection is loose, damaged, open, or shorted. Repair or replace the termi-
nal.
2. CHECK POWER STEERING CONTROL UNIT GROUND CIRCUIT
Disconnect power steering control unit harness connector M8, and
then check continuity between power steering control unit harness
connector M8 and ground.
OK or NG
OK >> GO TO 3.
NG >> Ground circuit open or shorted. Repair or replace any
inoperative parts. Terminal 2 – Ground : Continuity exist.
SGIA1231E

STC-32
[RAS]
TROUBLE DIAGNOSIS
Revision: 2007 April2007 M35/M45
For Fast and Accurate Trouble DiagnosisNGS000EN
Check the following items with the vehicle stopped

Is air pressure and size of tires proper?

Is the specified part used for the steering wheel?

Is control unit a genuine part?

Are there any fluid leakage from steering gear assembly, power steering oil pump, and hydraulic pipes,
etc? Refer to PS-8, "
Checking Fluid Leakage" .

Is the fluid level proper? Refer to PS-8, "Checking Fluid Level" .

Is the wheel alignment is adjusted properly? Refer to FSU-6, "Wheel Alignment Inspection" (2WD), FSU-
24, "Wheel Alignment Inspection" (AWD).

Are there any damage or modification to suspension or body resulting in increased weight or altered
ground clearance?

Check each link installation condition of suspension and axle.

Is the battery voltage proper?

Check each connector connection condition.
Check the following items while driving the vehicle

Conditions when the error occurred (5W 1H).

Is the engine is normal?
Basic InspectionNGS000EO
BASIC INSPECTION 1: POWER SUPPLY CIRCUIT TERMINAL LOOSENESS AND BATTERY
Check battery terminals for looseness on both positive and negative ones and ground connection. Also make
sure that battery voltage does not drop.
BASIC INSPECTION 2: RAS WARNING LAMP INSPECTION
1. Make sure RAS warning lamp turns on when ignition switch is turned ON.

If it does not turn on, refer to STC-33, "Trouble Diagnosis Chart" .
2. Make sure that RAS warning lamp turns off when the engine is started after ignition switch is turned ON. If
it does not turn off, perform self-diagnosis. Refer to STC-28, "
SELF-DIAG RESULT MODE" .
3. Always erase DTC memory after completing self-diagnosis. Refer to STC-29, "
How to Erase Self-Diag-
nostic Results" .
BASIC INSPECTION 3: RAS CONTROL UNIT POWER SUPPLY CIRCUIT AND GROUND CIR-
CUIT INSPECTION
1. CHECK RAS CONTROL UNIT CONNECTOR
Turn ignition switch OFF, disconnect RAS control unit harness connector, and check terminal for deformation,
disconnection, looseness, etc.
OK or NG
OK >> GO TO 2.
NG >> Poor connection of connector terminal. Repair or replace the terminal.
2. CHECK RAS CONTROL UNIT GROUND CIRCUIT
1. Disconnect RAS control unit harness connector B476, and then
check continuity between RAS control unit harness connector
B476 and ground.
OK or NG
OK >> GO TO 3.
NG >> Ground circuit open or shorted. Repair or replace any
inoperative parts. Terminal 34 – Ground : Continuity should exit.
SGIA1244E

TF-8
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
Revision: 2007 April2007 M35/M45
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTINGPFP:00003
NVH Troubleshooting ChartNDS000D8
Use the chart below to help you find the cause of the symptom. The numbers indicate the order of the inspec-
tion. If necessary, repair or replace these parts.
Reference pageTF-9TF-45TF-45TF-51TF-51TF-51
SUSPECTED PARTS
(Possible cause)
TRANSFER FLUID (Level low)
TRANSFER FLUID (Wrong)
TRANSFER FLUID (Level too high)
LIQUID GASKET (Damaged)
OIL SEAL (Worn or damaged)
GEAR (Worn or damaged)
BEARING (Worn or damaged)
TRANSFER CASE (Damaged)
SymptomNoise 1 2 3 3 3
Transfer fluid leakage 4 1 2 2 3

TRANSFER FLUID
TF-9
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TF
Revision: 2007 April2007 M35/M45
TRANSFER FLUIDPFP:31001
ReplacementNDS000D9
DRAINING
1. Run the vehicle to warm up the transfer unit sufficiently.
2. Stop the engine, and remove the drain plug to drain the transfer
fluid.
CAUTION:
When draining fluid, protect exhaust tube flange with cover.
3. Apply sealant to drain plug. Install drain plug on transfer and
tighten to the specified torque. Refer to TF-45, "
COMPO-
NENTS" .

Use Genuine Silicone RTV or equivalent. Refer to GI-47,
"Recommended Chemical Products and Sealants" .
CAUTION:
Remove old sealant adhering to mounting surfaces. Also
remove any moisture, oil, or foreign material adhering to application and mounting surfaces.
FILLING
1. Remove filler plug and add transfer fluid until fluid level reaches
the specified limit near filler plug mounting hole.
CAUTION:
Carefully fill the fluid. (Fill up for approx. 3 minutes.)
2. Leave the vehicle for 3 minutes, and check the fluid level again.
3. Set a new gasket onto filler plug and install it on transfer and
tighten to the specified torque. Refer to TF-45, "
COMPO-
NENTS" .
CAUTION:
Do not reuse gasket.
InspectionNDS000DA
FLUID LEAKAGE AND FLUID LEVEL
1. Check if fluid is leaking from transfer or around it.
2. Check fluid level from filler plug mounting hole as shown in the
figure.
CAUTION:
Never start engine while checking fluid level.
3. Before installing filler plug, set a new gasket. Install filler plug on
transfer and tighten to the specified torque. Refer to TF-45,
"COMPONENTS" .
CAUTION:
Do not reuse gasket.
SDIA2087E
Fluid capacity
: Approx. 1.25 (2-5/8 US pt, 2-1/4 lmp pt)
SDIA2028E
SDIA2028E

TF-40
FRONT OIL SEAL
Revision: 2007 April2007 M35/M45
FRONT OIL SEALPFP:38189
Removal and InstallationNDS000E1
REMOVAL
1. Remove the drain plug to drain the transfer fluid. Refer to TF-9, "Replacement" .
2. Remove the front propeller shaft. Refer to PR-4, "
FRONT PROPELLER SHAFT" .
3. Remove front oil seal using a flat-bladed screwdriver.
CAUTION:
Be careful not to damage the front case and front drive
shaft.
INSTALLATION
1. Apply ATF to front oil seal, install it with a drift until the end face
of front case.
CAUTION:

Do not reuse front oil seal.

When installing, do not incline front oil seal.
2. Install front propeller shaft. Refer to PR-4, "
FRONT PROPEL-
LER SHAFT" .
3. Install transfer fluid, check fluid level and for fluid leakage. Refer
to TF-9, "
Inspection" .
SDIA1782E
Tool number : ST27862000 ( — )
SDIA1783E

TF-42
REAR OIL SEAL
Revision: 2007 April2007 M35/M45
INSTALLATION
1. Apply ATF to rear oil seal, install it with a drifts.
CAUTION:

Do not reuse rear oil seal.

When installing, do not incline rear oil seal.
2. Align the matching mark of mainshaft with the mark of compan-
ion flange, then install the companion flange.
3. Using a flange wrench, install the self-lock nut of companion
flange and tighten to the specified torque. Refer to TF-45,
"COMPONENTS" .
CAUTION:
Do not reuse self-lock nut.
4. Install the rear propeller shaft. Refer to PR-6, "
REAR PROPEL-
LER SHAFT" .
5. Check fluid level. Refer to TF-9, "
Inspection" . Dimension A : 6.7 - 7.3 mm (0.264 - 0.287 in)
Tool number A: ST30720000 (J-25405)
B: KV40104830 ( — )
PDIA0292E
SDIA2378E
PDIA0245E