2009 INFINITI QX56 differential

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Page 2684 of 4171

INFINITI QX56 2009 Factory Service Manual PERIODIC MAINTENANCEMA-11
< ON-VEHICLE MAINTENANCE >
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Abbreviations: R = Replace. I = Inspec
t. Correct or replace if necessary.
(1) Using automatic transmission fluid o

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INFINITI QX56 2009 Factory Service Manual MA-12
< ON-VEHICLE MAINTENANCE >
RECOMMENDED FLUIDS AND LUBRICANTS
RECOMMENDED FLUIDS AND LUBRICANTS
Fluids and LubricantsINFOID:0000000003776984
*1: For further details, refer to MA-13, "Engine Oil R

MA-12
< ON-VEHICLE MAINTENANCE >
RECOMMENDED FLUIDS AND LUBRICANTS
RECOMMENDED FLUIDS AND LUBRICANTS
Fluids and LubricantsINFOID:0000000003776984
*1: For further details, refer to MA-13, "Engine Oil Recommendation".
*2: If Genuine NISSAN Matic S ATF is not available, Genuine Matic J ATF may also be used. Using automatic transmission fluid
other than Genuine NISSAN Matic S ATF or Matic J ATF will cause deterioration in drivability and automatic transmission dura-
bility, and may damage the automatic transmission, which is not covered by the INFINITI new vehicle limited warranty.
*3: DEXRON
TM VI type ATF may also be used.
*4: Available in mainland U.S.A. through an INFINITI dealer.
*5: For further details, see “Air conditioner specification label”.
*6: For hot climates, viscosity SAE 90 is suitable for ambient te mperatures above 0° C (32 ° F).
*7: For improved vehicle performance, INFINITI recommends the use of unleaded premium gasoline with an octane rating of at leas t 91
AKI (RON 96). For further details, refer to GI-27, "
Precaution for Fuel (Unleaded Premium Gasoline Recommended)",
*8: See an INFINITI dealer for service for synthetic oil.
*9: Using fluid other than Genuine Nissan Matic D ATF may cause deterioration in drivability and transfer durability, and may d amage the
transfer, which is not covered by the (INFINITI new vehicle limited) warranty. Description
Capacity (Approximate)
Recommended Fluids/Lubricants
Metric US measure Imp measure
Fuel 105.8 28 gal 23 1/4 gal Unleaded gasoline with octane rating of
at least 87 AKI (RON 91) *7
Engine oil
Drain and refill With oil filter
change
6.5
6 7/8 qt 5 3/4 qt
• Engine oil with API Certification Mark*1
• Viscosity SAE 5W-30
Without oil filter
change
6.2
6 1/2 qt 5 1/2 qt
Dry engine (engine overhaul) 7.6 8 qt
6 3/4 qt
Cooling system With reservoir
at MAX level
14.4
15 1/4 qt 12 5/8 qt Genuine NISSAN Long Life Anti-freeze
coolant or equivalent
Automatic transmission fluid (ATF) 10.6 11 1/4 qt 9 3/8 qt Genuine NISSAN Matic S ATF *2
Rear differential gear oil 1.75 3 3/4 pt 3 1/8 pt API GL-5 Synthetic 75W-90 Gear Oil
(Part No. 999MP-DF200P) or equivalent
*8
Transfer fluid 3.0 3 1/8 qt 2 5/8 qt Genuine NISSAN Matic D ATF recom-
mended *9
Front differential gear oil 1.6 3 3/8 pt 2 7/8 pt Genuine NISSAN Differential Oil Hypoid
Super GL-5 80W-90 or API GL-5 Viscosi-
ty SAE 80W-90*6
Power steering fluid (PSF) 1.0 1 1/8 qt 7/8 qt Genuine NISSAN PSF or equivalent *3
Brake fluid —— —Genuine NISSAN Super Heavy Duty
Brake Fluid or equivalent,
DOT 3 (US FMVSS No. 116) *4
Brake grease —— —PBC (poly butyl cuprysil) grease or equiv-
alent
Multi-purpose grease —— — NLGI No. 2 (lithium soap base)
Windshield washer fluid 4.5 4 3/4 qt
4 qtGenuine NISSAN Windshield Washer
Concentrate Cleaner & Anti-freeze or
equivalent
Air conditioning system refrigerant 1.08 ± 0.05 kg 2.38 ± 0.11 lb 2.38 ± 0.11 lb HFC-134a (R-134a) *5
Air conditioning system oil 290 m9.8 fl oz 10.2 fl oz NISSAN A/C System Oil Type S or equiv-
alent *5
Revision: December 20092009 QX56

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INFINITI QX56 2009 Factory Service Manual MA-26
< ON-VEHICLE MAINTENANCE >
CHASSIS AND BODY MAINTENANCE
Changing Transfer Fluid
INFOID:0000000004215546
CAUTION:
If using the vehicle for towing, the transfer fluid must be replaced as specifie

Page 2700 of 4171

INFINITI QX56 2009 Factory Service Manual CHASSIS AND BODY MAINTENANCEMA-27
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Changing Front Final Drive OilINFOID:0000000004215542
DRAINING
1. Stop the engine.
2. Remove the drain plug

CHASSIS AND BODY MAINTENANCEMA-27
< ON-VEHICLE MAINTENANCE >
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Changing Front Final Drive OilINFOID:0000000004215542
DRAINING
1. Stop the engine.
2. Remove the drain plug from the front final drive assembly to drain the differential gear oil.
3. Install the drain plug with sealant applied on the thr
eads to the front final drive assembly. Tighten to the
specified torque. Refer to DLN-217, "
Disassembly and Assembly".
• Use High Performance Thread Sealant or equivalent. Refer to GI-15, "
Recommended Chemical Prod-
ucts and Sealants".
FILLING
1. Remove the filler plug from the front final drive assembly.
2. Fill the front final drive assembly with new differential gear oil
until the level reaches the specified level near the filler plug hole.
3. Install the filler plug with sealant applied on the threads to the front final drive assembly. Tighten to the specified torque. Refer
to DLN-217, "
Disassembly and Assembly".
• Use High Performance Thread Sealant or equivalent. Refer to
GI-15, "
Recommended Chemical Products and Sealants".
Checking Rear Final Drive OilINFOID:0000000004215543
OIL LEAKAGE AND OIL LEVEL
1. Make sure that differential gear oil is not leaking from the rear final drive assembly or around it.
2. Check the differential gear oil level from the filler plug hole as shown.
CAUTION:
Do not start engine while checki ng differential gear oil level.
3. Install the filler plug with a new gasket on it to the rear final drive assembly. Tighten to the specified torque. Refer to DLN-253,
"Disassembly and Assembly".
CAUTION:
Do not reuse gasket.
Changing Rear Final Drive OilINFOID:0000000004215544
DRAINING
1. Stop the engine.
2. Remove the drain plug and gasket from the rear final drive assembly to drain the differential gear oil.
3. Install the drain plug with a new gasket to the rear final drive assembly. Tighten to the specified torque. Refer to DLN-253,
"Disassembly and Assembly".
CAUTION:
Do not reuse gasket.
FILLING
Differential gear oil
grade and capacity : Refer to
MA-12, "Fluids
and Lubricants".
LDIA0176E
LLIA0068E
LLIA0068E
Revision: December 20092009 QX56

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INFINITI QX56 2009 Factory Service Manual MA-28
< ON-VEHICLE MAINTENANCE >
CHASSIS AND BODY MAINTENANCE
1. Remove the filler plug and gasket from the rear final driveassembly.
2. Fill the rear final drive assembly with new differential gear o

MA-28
< ON-VEHICLE MAINTENANCE >
CHASSIS AND BODY MAINTENANCE
1. Remove the filler plug and gasket from the rear final driveassembly.
2. Fill the rear final drive assembly with new differential gear oil until the level reaches the specified level near the filler plug hole.
3. Install the filler plug with a new gasket on it to the rear final drive assembly. Tighten to the specified torque. Refer to DLN-253,
"Disassembly and Assembly".
CAUTION:
Do not reuse gasket.
Balancing WheelsINFOID:0000000004215547
BALANCING WHEELS (ADHESIVE WEIGHT TYPE)
Preparation Before Adjustment
Remove inner and outer balance weights from the road wheel using releasing agent, remove double-faced
adhesive tape from the road wheel.
CAUTION:
• Be careful not scratch the road wheel during removal.
• After removing double-faced adhesive tape, wipe clean traces of releasing agent from the road
wheel.
Wheel Balance Adjustment
CAUTION:
• Use center hole cone-type clamping machines due to clad wheels.
• If a balancer machine has an adhesive weight mode se tting, select the adhesive weight mode setting and
skip Step 2. below. If a balancer machine only has the clip-on (rim flange) weight mode setting, follow Step 2.
to calculate the correct size adhesive weight.
1. Set road wheel on balancer machine using the center hole as a guide. Start the balancer machine.
2. For tire balance machines that only have a clip-on (rim flange) weight mode setting, follow this step to cal- culate the correct size adhesive weight to use. When inner and outer imbalance values are shown on the
balancer machine indicator, multiply outer imbalance value by 5/3 (1.67) to determine balance weight that
should be used. Select the outer balance weight with a value closest to the calculated value above and
install in to the designated outer position of, or at the designated angle in relation to the road wheel.
a. Indicated imbalance value × 5/3 (1.67) = balance weight to be
installed
Calculation example:
23 g (0.81 oz) × 5/3 (1.67) = 38.33 g (1.35 oz) ⇒ 40 g (1.41 oz)
balance weight (closer to calculated balance weight value)
NOTE:
Note that balance weight value must be closer to the calculated
balance weight value.
Example:
37.4 ⇒ 35 g (1.23 oz)
37.5 ⇒ 40 g (1.41 oz)
Differential gear oil
grade and capacity
: Refer to MA-12, "
Fluids and
Lubricants".
LLIA0068E
SMA054D
Revision: December 20092009 QX56

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INFINITI QX56 2009 Factory Service Manual
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTINGRAX-5
< SYMPTOM DIAGNOSIS >
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SYMPTOM DIAGNOSIS
NOISE, VIBRATION AND HARSHN ESS (NVH) TROUBLESHOOTING
NVH Troubleshoo

Page 3153 of 4171

INFINITI QX56 2009 Factory Service Manual
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTINGRSU-5
< SYMPTOM DIAGNOSIS >
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SYMPTOM DIAGNOSIS
NOISE, VIBRATION AND HARSHN ESS (NVH) TROUBLESHOOTING
NVH Troublesho

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INFINITI QX56 2009 Factory Service Manual WT-36
< SYMPTOM DIAGNOSIS >
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
NVH Troubleshooting ChartINFOID:0000000003772398
Use the chart bel

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