2011 INFINITI QX56 fuel type

ENGINE STAND SETTINGEM-103
< UNIT DISASSEMBLY AND ASSEMBLY >
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UNIT DISASSEMBLY AND ASSEMBLY
ENGINE STAND SETTING
SettingINFOID:0000000006289579
NOTE:
Explained here is how to disassemble with engine stand s
upporting transmission surface. When using a differ-
ent type of engine stand, note the difference in the steps, etc.
1. Remove the engine assembly from the vehicle. Refer to EM-98, "
Exploded View".
2. Remove crankshaft pulley. Refer to EM-96, "
FRONT OIL SEAL : Removal and Installation".
NOTE:
The drive plate is fixed with a ring gear stopper [SST: KV10119200 (J-49277)]. Loosen the crankshaft pul-
ley mounting bolts before installing the engine stand.
3. Remove the parts that may restrict installation of engine to a widely used engine stand.  Fix crankshaft with a ring gear stopper [SST: KV10119200 (J-49277)]. Loosen drive plate mounting bolt
with power tool.
 Check for deformation or damage of drive plate. Refer to EM-115, "
Inspection".
NOTE:
The procedure is described assuming that you us e a widely used engine stand holding the surface, to
which transmission is installed.
4. Remove pilot converter using the pilot bushing puller (commercial service tool), if necessary.
5. Lift the engine with hoist to inst all it onto the widely used engine stand.
CAUTION:
Use an engine stand that has a load capacity [240 kg (529 lb) or more] large enough for supporting
the engine weight.
 If the load capacity of the stand is not adequate, remove the following parts beforehand to reduce the potential risk of overturning the stand.
- Remove intake manifold. Refer to EM-30, "
Exploded View".
- Remove fuel injector and fuel tube assembly. Refer to EM-48, "
Exploded View".
- Remove ignition coil. Refer to EM-29, "
Exploded View".
- Remove rocker cover. Refer to EM-33, "
Exploded View".
- Remove exhaust manifold. Refer to EM-40, "
Exploded View".
- Other removable brackets. NOTE:
The figure shows an example of widely used engine stand (A)
that can hold mating surface of transmission with drive plate
removed.
CAUTION:
Before removing the hang ing chains, check the engine
stand is stable and there is no risk of overturning.
6. Drain engine oil. Refer to LU-8, "
Draining".
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Revision: 2010 May2011 QX56

HEADLAMP AIMING ADJUSTMENTEXL-121
< PERIODIC MAINTENANCE > [XENON TYPE]
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PERIODIC MAINTENANCE
HEADLAMP AIMING ADJUSTMENT
descriptionINFOID:0000000006213990
preparation before adjusting
NOTE:
 for details, refer to the regulations in your own country.
 perform aiming if the vehicle front body has been repaired and/or the headlamp assembly has been
replaced.
before performing aiming adjustment, check the following.  adjust the tire pressure to the specification.
 fill with fuel, engine coolant and each oil.
 maintain the unloaded vehicle condition. (remove luggage from the passenger compartment and the lug- gage room.)
NOTE:
do not remove the temporary tire, jack and on-vehicle tool.
 wipe out dirt on the headlamp.
CAUTION:
never use organic solvent (thinner, gasoline etc.)
 ride alone on the driver seat.
aiming adjustment screw
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A. Headlamp RH HI /LO (UP/DOWN)
adjustment screw B. Headlamp LH HI/LO (UP/DOWN)
adjustment screw
: Vehicle center
Revision: 2010 May2011 QX56

FRONT FOG LAMP AIMING ADJUSTMENTEXL-123
< PERIODIC MAINTENANCE > [XENON TYPE]
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FRONT FOG LAMP AI MING ADJUSTMENT
DescriptionINFOID:0000000006213992
PREPARATION BEFORE ADJUSTING
NOTE:
 For details, refer to the regulations in your own country.
 Perform aiming if the vehicle front body has been repaired and/or the headlamp assembly has been
replaced.
Before performing aiming adjustm ent, check the following.  Adjust the tire pressure to the specification.
 Fill with fuel, engine coolant and each oil.
 Maintain the unloaded vehicle condition. (Remove luggage from the passenger compartment and the trunk
room.)
NOTE:
Do not remove the temporary tire, jack and on-vehicle tool.
 Wipe out dirt on the headlamp. CAUTION:
Never use organic solvent (thinner, gasoline etc.)
 Ride alone on the driver seat.
AIMING ADJUSTMENT SCREW
 Turn the aiming adjusting screw for adjustment.
 For the position and direction of the adjusting screw, refer to the figure.
NOTE:
A screwdriver or hexagonal wrench [6 mm (0.24 in)] can be used
for adjustment.
Aiming Adjustment ProcedureINFOID:0000000006213993
1. Place the screen. NOTE:
 Stop the vehicle facing the wall.
 Place the board on a plain road vertically.
2. Face the vehicle with the screen. Maintain 10 m (32.8 ft) between the front fog lamp center and the
screen.
3. Start the engine. Turn the front fog lamp ON. NOTE:
Shut off the headlamp light with the board to pr event from illuminating the adjustment screen.
CAUTION:
Never cover the lens surface with a tape etc. The lens is made of resin.
4. Adjust the cutoff line height (A) with the aiming adjus tment screw so that the distance (X) between the hor-
izontal center line of front fog lamp (H) and (A) becomes 200 mm (7.87 in).
A: UP
B: DOWN
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Revision: 2010 May2011 QX56

WHEEL ALIGNMENTFSU-7
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WHEEL ALIGNMENT
InspectionINFOID:0000000006225640
DESCRIPTION
Measure wheel alignment under unladen conditions.
NOTE:
“Unladen conditions” means that fuel, engine coolant, and lubricant are full. Spare tire, jack, hand tools and
mats are in designated positions.
PRELIMINARY CHECK
Check the following:
 Tires for improper air pressure and wear
 Road wheels for runout: Refer to WT-64, "
Inspection".
 Wheel bearing axial end play: Refer to FA X - 7 , "
Inspection" (2WD), FAX-16, "Inspection" (4WD).
 Lower link and upper link ball joint axial end play: Refer to FSU-15, "
Inspection" and FSU-18, "Inspection".
 Shock absorber operation.
 Each mounting part of axle and suspension for looseness and deformation
 Lower link for cracks, deformation and other damage
 Vehicle height (posture)
GENERAL INFORMATION AND RECOMMENDATIONS
 A four-wheel thrust alignment should be performed.
- This type of alignment is recomm ended for any NISSAN/INFINITI vehicle.
- The four-wheel “thrust” process helps ensure that t he vehicle is properly aligned and the steering wheel is
centered.
- The alignment rack itself should be capable of accepting any NISSAN/INFINITI vehicle.
- The rack should be checked to ensure that it is level.
 Make sure the machine is properly calibrated.
- Your alignment equipment should be regularly ca librated in order to give correct information.
- Check with the manufacturer of your specific equi pment for their recommended Service/Calibration Sched-
ule.
ALIGNMENT PROCESS
IMPORTANT:
Use only the alignment specificati ons listed in this Service Manual.
 When displaying the alignment settings, many alignment machines use “indicators”: (Green/red, plus or
minus, Go/No Go). Never use these indicators.
- The alignment specifications programmed into your machine that operate these indicators may not be cor-
rect.
- This may result in an ERROR.
 Some newer alignment machines are equipped with an optional “Rolling Compensation” method to “com-
pensate” the sensors (alignment targets or head units). Never use this “Rolling Compensation” method.
- Use the “Jacking Compensation Method”. After installi ng the alignment targets or head units, raise the vehi-
cle and rotate the wheels 1/2 turn both ways.
- See Instructions in the alignment machine you're using for more information on this.
AdjustmentINFOID:0000000006225641
CAMBER, CASTER
1. Adjust with the front/rear side adjusting bolts (1) on the lower link
(2).
2. See the following table for the amount of cam bolt scale move- ment and the variation of camber and caster.
CAUTION:
Align the adjusting bolt cutout with the stamp of lower link
bracket.
: Vehicle front
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Revision: 2010 May2011 QX56

LAN-28
< SYSTEM DESCRIPTION >[CAN]
SYSTEM
Check CAN system type from the vehicle shape and equipment.
CAN COMMUNICATION SYSTEM : CA
N Communication Signal ChartINFOID:0000000006220533
Refer to LAN-17, "How to Use CAN Communication Signal Chart" for how to use CAN communication signal
chart.
T: Transmit R: Receive
1. ICC sensor
A. With ICC system
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Signal nameECM
4WD
ABS
TCM
A-BAG
AFSAV
BCM
CGW
HVAC
M&A
STRG
TPMS
IPDM-E ADP
PSB
E-SUS ICC
PWBD
A/C compressor request
signal TR
Accelerator pedal position
signal TRRR
R
ASCD OD cancel request
signal TR
ASCD operation signal T R
ASCD status signal T R
Closed throttle position sig-
nal TR
R
Cooling fan speed request
signal TR
Engine and A/T integrated
control signal TR
RT
Engine coolant temperature
signal TRR
Engine restart request sig-
nal TRR
TR
Engine speed signal T R R R R R R R
Engine status signal T R R R
Engine torque signal T R
Fuel consumption monitor
signal TRR
ICC brake switch signal T R
ICC prohibition signal T R
ICC steering switch signal T R
Malfunctioning indicator
lamp signal TR
N idle instruction signal TR
RT
Revision: 2010 May2011 QX56

MA-6
< PERIODIC MAINTENANCE >
PERIODIC MAINTENANCE
PERIODIC MAINTENANCE
Introduction of Periodic MaintenanceINFOID:0000000006287729
Two different maintenance schedules are provided, and should be used, depending upon the conditions in
which the vehicle is mainly operated. After 60,000 miles (96,000 km) or 48 months, continue the periodic
maintenance at the same mileage/time intervals.
Schedule 1INFOID:0000000006287730
EMISSION CONTROL SYSTEM
Abbreviations: R = Replace. I = Inspec t. Correct or replace if necessary. [ ]: At the mileage intervals only
Schedule 1Follow Periodic Maintenance Schedule 1 if the driving habits frequently include
one or more of the following driving conditions:
 Repeated short trips of less than 5 miles (8 km).
 Repeated short trips of less than 10 miles (16 km) with outside temperatures
remaining below freezing.
 Operating in hot weather in stop-and-go “rush hour” traffic.
 Extensive idling and/or low speed driving for long distances, such as police, taxi
or door-to-door delivery use.
 Driving in dusty conditions.
 Driving on rough, muddy, or salt spread roads.
 Towing a trailer, using a camper or a car-top carrier. Emission Control Sys-
tem Maintenance
MA-6Chassis and Body
Maintenance
Schedule 2 Follow Periodic Maintenance Schedule 2 if none of driving conditions shown in
Schedule 1 apply to the driving habits. Emission Control Sys-
tem Maintenance
MA-8
Chassis and Body
Maintenance
MAINTENANCE OPERATION MAINTENANCE INTERVAL
Reference
Section -
Page or -
Content Title
Perform at number of miles,
kilometers or months, which-
ever comes first. Miles x 1,000
(km x 1,000) Months 3.75
(6)3 7.50
(12) 6 11 . 2 5
(18) 9 15
(24) 12 18.75
(30)15 22.5
(36) 18 26.25
(42)21 30
(48) 24
Drive belts NOTE (1) MA-12
Air cleaner filter NOTE (2) [R]MA-17
EVAP vapor linesI*MA-20
Fuel lines I*MA-17
Fuel filter NOTE (3) —
Engine coolant* NOTE (4) MA-13
Engine oil R R R R R R R RMA-17
Engine oil filter (Use genuine
NISSAN engine oil filter or
equivalent.)R R RRRRR R
MA-18
Spark plugs (Iridium-tipped
type)Replace every 105,000 miles (168,000 km).
MA-19
Intake & exhaust valve clear-
ance*NOTE (5)
EM-12
MAINTENANCE OPERATIONMAINTENANCE INTERVAL
Reference
Section -
Page or -
Content Title
Perform at number of miles,
kilometers or months, which-
ever comes first. Miles x 1,000
(km x 1,000) Months 33.75
(54)27 37.5
(60) 30 41.25
(66)33 45
(72) 36 48.75
(78)39 52.5
(84) 42 56.25
(90)45 60
(96) 48
Drive belts NOTE (1) I* MA-12
Air cleaner filter NOTE (2) [R]MA-17
EVAP vapor linesI*MA-20
Fuel lines I*MA-17
Revision: 2010 May2011 QX56

PERIODIC MAINTENANCEMA-7
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NOTE:
(1) After 60,000 miles (96,000 km) or 48 months, inspect every 15,000 miles (24,000 km) or 12 months. Replace the drive belts i
f found
damaged or if the auto belt tensioner reading reaches the maximum limit.
(2) If operating mainly in dusty conditions, more frequent maintenance may be required.
(3) Maintenance-free item. For service procedures, refer to FL section.
(4) First replacement interval is 105,000 miles (168,000 km) or 84 months. After first replacement, replace every 75,000 miles (120,000
km) or 60 months. Use only Genu ine NISSAN Long Life Antifreeze/Coo lant (blue) or equivalent with proper mixture ratio of 50% anti-
freeze and 50% demineralized or distilled water. Mixing any other type of coolant or the use of non-distilled water will reduce the life
expectancy of the factory-fill coolant.
(5) Periodic maintenance is not required. However, if valve noise increases, inspect valve clearance.
* Maintenance items and intervals with “*” are recommended by INFINITI for reliable vehicle operation. The owner need not perfo rm
such maintenance in order to maintain the emission warranty or manufacturer recall liability. Other maintenance items and inter vals are
required.
CHASSIS AND BODY
Abbreviations: R = Replace. I = Inspec t. Correct or replace if necessary.
Fuel filter NOTE (3) —
Engine coolant* NOTE (4) MA-13
Engine oil R R R R R R R RMA-17
Engine oil filter (Use genuine
NISSAN engine oil filter or
equivalent.)R R RRRRRR
MA-18
Spark plugs (Iridium-tipped
type)Replace every 105,000 miles (168,000 km).
MA-19
Intake & exhaust valve clear-
ance*NOTE (5)
EM-12
MAINTENANCE OPERATIONMAINTENANCE INTERVAL
Reference
Section -
Page or -
Content Title
Perform at number of miles,
kilometers or months, which-
ever comes first. Miles x 1,000
(km x 1,000)
Months 33.75
(54)
27 37.5
(60)
30 41.25
(66)
33 45
(72)
36 48.75
(78)
39 52.5
(84)
42 56.25
(90)
45 60
(96)
48
MAINTENANCE OPERATION MAINTENANCE INTERVAL
Reference
Section -
Page or - Con- tent Title
Perform at number of miles,
kilometers or months,
whichever comes first. Miles x 1,000
(km x 1,000)
Months 3.75
(6)
3 7.50
(12)
6 11 . 2 5
(18)
9 15
(24)
12 18.75
(30)
15 22.5
(36)
18 26.25
(42)
21 30
(48)
24
Brake lines & cables I I MA-28
Brake fluid R RMA-28
Brake pads & rotors I I I IMA-30
BR-16
BR-18
BR-16
BR-18
Transfer fluid & differential
gear oil
NOTE (1) I I MA-21MA-24
MA-25
Automatic transmission flu-
id
NOTE (2)
—
Steering gear & linkage,
axle & suspension parts IIII
MA-31
MA-32
Tire rotation NOTE (3) MA-4WT-63
Drive shaft boots and pro-
peller shaft (4WD models) IIII MA-33MA-22
MA-23
MA-23
Revision: 2010 May2011 QX56

MA-10
< PERIODIC MAINTENANCE >
RECOMMENDED FLUIDS AND LUBRICANTS
RECOMMENDED FLUIDS AND LUBRICANTS
Fluids and LubricantsINFOID:0000000006220904
*1: For further details, see “Engine Oil Recommendation”.
*2: Using automatic transmission fluid other than Genuine NISSAN Matic S ATF will cause deterioration in driveability and autom atic
transmission durability, and may damage the automatic transmission, which is not covered by the INFINITI new vehicle limited wa rranty.
*3: DEXRON™ VI type ATF may also be used.
*4: Available in mainland U.S.A. through an INFINITI dealer.
*5: Using transfer fluid other t han Genuine NISSAN Transfer Fluid will damage the transfer , which is not covered by the INFINITI new
vehicle limited warranty. See an INFINITI retailer for recommended transfer fluid.
*6: For hot climates, Viscosity SAE 90 is suitable for ambient temperatures above 0 °C (32 °F)
*7: See an INFINITI dealer for service for synthetic oil.
*8: Using Hydraulic Suspen sion fluid other than Genuine NISSAN Hydraulic Susp ension fluid will damage the Hydraulic Suspension,
which is not covered by the INFINITI new vehicle limited warranty. See an INFINITI retailer for recommended hydraulic suspensio n fluid.
*9: The fluid capacity is the reference value.
Engine Oil RecommendationINFOID:0000000006287732
NISSAN recommends the use of an energy conservi ng oil in order to improve fuel economy.
Select only engine oils that meet the American Petroleum Institute (API) certification and International Lubri-
cant Standardization and Approval Committee (ILSAC) ce rtification and SAE viscosity standard. These oils
have the API certification mark on t he front of the container. Oils which do not have the specified quality label
should not be used as they could cause engine damage.
Capacity (Approximate) Recommended Fluids/Lubricants
US measure Imp measure Liter
Engine oil
Drain and refill With oil filter change 6-7/8 qt 5-3/4 qt 6.5
 Engine oil with API Certification Mark
*1
 Viscosity SAE 5W-30
Without oil filter change 6-4/8 qt 5-1/2 qt 6.2
Dry engine (engine overhaul) 8 qt 6-3/4 qt 7.6
Cooling system With reservoir tank 15
-6/8 qt 13-1/8 qt 14.9
Genuine NISSAN Long Life Antifreeze/
Coolant (blue) or equivalent
Reservoir tank 1 qt 7/8 qt 1.0
Automatic transmission fluid 10-5/8 qt
*98-3/4 qt*910.0*9Genuine NISSAN Matic S ATF *2
Power steering fluid 1-1/8 qt 7/8 qt 1.0
Genuine NISSAN PSF or equivalent*3
Brake fluid — — —Genuine NISSAN Super Heavy Duty
Brake Fluid*4 or equivalent DOT 3 (US FM-
VSS No. 116)
Transfer fluid 3-1/8 pt 2-5/8 pt 1.5 Genuine NISSAN Transfer Fluid for
ATX90A transfer*
5
Differential gear oilFront 1-5/8 pt 1-3/8 pt 0.75
Genuine NISSAN Differential Oil Hypoid
Super GL-5 80W-90 or API GL-5, Viscosity
SAE 80W-90*
6
Rear 3/3/4 pt 3-1/8 pt 1.75Genuine NISSAN Differential Oil Synthetic
75W-90 or API GL-5 synthetic gear oil, Vis-
cosity SAE 75W-90*7
Suspension fluid — — —
Genuine NISSAN Hydraulic Suspension
Fluid*8
Multi-purpose grease — — — NLGI No. 2 (Lithium soap base)
Revision: 2010 May2011 QX56