2010 INFINITI QX56 Factory Service Manual

service drain bolt fuse box diagram turn signal navigation wheel size

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INFINITI QX56 2010 Factory Service Manual MA-1
MAINTENANCE
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SECTION MA
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CONTENTS
MAINTENANCE
PRECAUTION .......
........................................3
PRECAUTIONS ..............................................

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MAINTENANCE
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SECTION MA
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CONTENTS
MAINTENANCE
PRECAUTION .......
........................................3
PRECAUTIONS .............................................. .....3
Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" ............................................................. ......
3
Precaution Necessary for Steering Wheel Rota-
tion After Battery Disconnect ............................... ......
3
PREPARATION ............................................5
PREPARATION .............................................. .....5
Special Service Tool ........................................... ......5
Commercial Service Tool ..........................................5
ON-VEHICLE MAINTENANCE .....................6
GENERAL MAINTE NANCE ........................... .....6
General Maintenance .......................................... ......6
PERIODIC MAINTENANCE ................................9
Introduction of Periodic Maintenance .................. ......9
Maintenance for Off-road Driving (4WD only) ...........9
Schedule 1 ................................................................9
Schedule 2 ..............................................................11
RECOMMENDED FLUIDS AND LUBRI-
CANTS ................................................................
13
Fluids and Lubricants .......................................... ....13
Engine Oil Recommendation ..................................14
ENGINE MAINTENANCE ...................................15
DRIVE BELTS ....................................................... ....15
DRIVE BELTS : Exploded View ..............................15
DRIVE BELTS : Checking Drive Belts ....................15
ENGINE COOLANT ............................................... ....15
ENGINE COOLANT : Inspection .............................15
ENGINE COOLANT : Changing Engine Coolant ....17
FUEL LINES .......................................................... ....19
FUEL LINES : Checking Fuel Line ..........................19
FUEL FILTER ......................................................... ....19
FUEL FILTER : Changing Fuel Filter .......................19
AIR CLEANER FILTER ......................................... ....19
AIR CLEANER FILTER : Exploded View ................20
AIR CLEANER FILTER : Removal and Installation
(Viscous paper type) ................................................
20
ENGINE OIL ........................................................... ....20
ENGINE OIL : Inspection .........................................20
ENGINE OIL : Changing Engine Oil ........................22
OIL FILTER ............................................................ ....22
OIL FILTER : Removal and Installation ...................22
SPARK PLUG ........................................................ ....23
SPARK PLUG : Exploded View ...............................24
SPARK PLUG : Removal and Installation ...............24
EVAP VAPOR LINES ............................................ ....25
EVAP VAPOR LINES : Checking EVAP Vapor
Line ..........................................................................
25
CHASSIS AND BODY MAINTENANCE ...........26
IN-CABIN MICROFILTER ...................................... ....26
IN-CABIN MICROFILTER : Removal and Installa-
tion ....................................................................... ....
26
EXHAUST SYSTEM ...................................................26
EXHAUST SYSTEM : Checking Exhaust System ....26
A/T FLUID .............................................................. ....27
A/T FLUID : Checking the A/T Fluid (ATF) ..............27
A/T FLUID : Changing the A/T Fluid (ATF) ..............29
TRANSFER FLUID ................................................ ....30
TRANSFER FLUID : Replacement ..........................30
TRANSFER FLUID : Inspection ..............................30
PROPELLER SHAFT ............................................. ....31
PROPELLER SHAFT : Checking Propeller Shaft ....31
DIFFERENTIAL GEAR OIL ................................... ....31
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INFINITI QX56 2010 Factory Service Manual MA-2
DIFFERENTIAL GEAR OIL : Changing Front Dif-
ferential Gear Oil ....................................................
31
DIFFERENTIAL GEAR OIL : Checking Front Dif-
ferential Gear Oil ...........

MA-2
DIFFERENTIAL GEAR OIL : Changing Front Dif-
ferential Gear Oil ....................................................
31
DIFFERENTIAL GEAR OIL : Checking Front Dif-
ferential Gear Oil ....................................................
31
DIFFERENTIAL GEAR OIL : Changing Rear Dif-
ferential Gear Oil ....................................................
32
DIFFERENTIAL GEAR OIL : Checking Rear Dif-
ferential Gear Oil ....................................................
32
WHEELS ................................................................ ...32
WHEELS : Balancing Wheels .................................32
WHEELS : Rotation ................................................34
BRAKE FLUID LEVEL AND LEAKS ........................34
BRAKE FLUID LEVEL AND LEAKS : On Board In-
spection ............................................................... ...
34
BRAKE LINES AND CABLES ............................... ...34
BRAKE LINES AND CABLES : Checking Brake
Line and Cables ......................................................
34
DISC BRAKE ......................................................... ...34
DISC BRAKE : Front Pad Inspection ......................35
DISC BRAKE : Front Rotor Inspection ...................35
DISC BRAKE : Rear Pad Inspection ......................35
DISC BRAKE : Rear Rotor Inspection ....................36
STEERING GEAR AND LINKAGE ........................ ...36
STEERING GEAR AND LINKAGE : Checking
Steering Gear and Linkage .....................................
36
POWER STEERING FLUID AND LINES ............... ...37
POWER STEERING FLUID AND LINES : Check-
ing Fluid Level .........................................................
37
POWER STEERING FLUID AND LINES : Check-
ing Fluid Leakage ....................................................
37
AXLE AND SUSPENSION PARTS ........................ ...37
AXLE AND SUSPENSION PARTS : Checking
Axle and Suspension Parts .................................. ...
37
LOCKS AND HINGES ............................................ ...38
LOCKS AND HINGES : Lubricating Locks, Hinges
and Hood Latches ...................................................
38
SEAT BELT, BUCKLES, RETRACTORS, AN-
CHORS AND ADJUSTERS ................................... ...
39
SEAT BELT, BUCKLES, RETRACTORS, AN-
CHORS AND ADJUSTERS : Checking Seat
Belts, Buckles, Retractors, Anchors and Adjusters
...
39
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INFINITI QX56 2010 Factory Service Manual PRECAUTIONSMA-3
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PRECAUTION
PRECAUTIONS
Precaution for Supplemental
Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
INFOID:00000000054031

PRECAUTIONSMA-3
< PRECAUTION >
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PRECAUTION
PRECAUTIONS
Precaution for Supplemental
Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
INFOID:0000000005403129
The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”, used along
with a front seat belt, helps to reduce the risk or severi ty of injury to the driver and front passenger for certain
types of collision. This system includes seat belt switch inputs and dual stage front air bag modules. The SRS
system uses the seat belt switches to determine the front air bag deployment, and may only deploy one front
air bag, depending on the severity of a collision and w hether the front occupants are belted or unbelted.
Information necessary to service the system safely is included in the SR and SB section of this Service Man-
ual.
WARNING:
• To avoid rendering the SRS inoper ative, which could increase the risk of personal injury or death in
the event of a collision which would result in air bag inflation, all maintenance must be performed by
an authorized NISSAN/INFINITI dealer.
• Improper maintenance, including in correct removal and installation of the SRS, can lead to personal
injury caused by unintentional act ivation of the system. For removal of Spiral Cable and Air Bag
Module, see the SR section.
• Do not use electrical test equipm ent on any circuit related to the SRS unless instructed to in this
Service Manual. SRS wiring harnesses can be identi fied by yellow and/or orange harnesses or har-
ness connectors.
PRECAUTIONS WHEN USING POWER TOOLS (AIR OR ELECTRIC) AND HAMMERS
WARNING:
• When working near the Airbag Diagnosis Sensor Un it or other Airbag System sensors with the Igni-
tion ON or engine running, DO NOT use air or el ectric power tools or strike near the sensor(s) with a
hammer. Heavy vibration could activate the sensor( s) and deploy the air bag(s), possibly causing
serious injury.
• When using air or electric power tools or hammers, always switch the Ignition OFF, disconnect the battery, and wait at least 3 minutes before performing any service.
Precaution Necessary for Steering Wheel Rotation After Battery Disconnect
INFOID:0000000005403130
NOTE:
• This Procedure is applied only to models with Intelligent Key system and NATS (NISSAN ANTI-THEFT SYS-
TEM).
• Remove and install all control units after disconnecti ng both battery cables with the ignition knob in the
″ LOCK ″ position.
• Always use CONSULT-III to perform self-diagnosis as a part of each function inspection after finishing work.
If DTC is detected, perform trouble diagnosis according to self-diagnostic results.
For models equipped with the Intelligent Key system and NATS , an electrically controlled steering lock mech-
anism is adopted on the key cylinder.
For this reason, if the battery is disconnected or if the battery is discharged, the steering wheel will lock and
steering wheel rotation will become impossible.
If steering wheel rotation is required when battery power is interrupted, follow the procedure below before
starting the repair operation.
OPERATION PROCEDURE
1. Connect both battery cables. NOTE:
Supply power using jumper cables if battery is discharged.
2. Use the Intelligent Key or mechanical key to turn the ignition switch to the ″ACC ″ position. At this time, the
steering lock will be released.
3. Disconnect both battery cables. The steering lock will remain released and the steering wheel can be
rotated.
4. Perform the necessary repair operation.
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INFINITI QX56 2010 Factory Service Manual MA-4
< PRECAUTION >
PRECAUTIONS
5. When the repair work is completed, return the ignition switch to the ″LOCK ″ position before connecting
the battery cables. (At this time, the steering lock mech

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INFINITI QX56 2010 Factory Service Manual PREPARATIONMA-5
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PREPARATION
PREPARATION
Special Service ToolINFOID:0000000005145931
The actual shapes of the Kent-Moore t
ools may differ from those of

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INFINITI QX56 2010 Factory Service Manual MA-6
< ON-VEHICLE MAINTENANCE >
GENERAL MAINTENANCE
ON-VEHICLE MAINTENANCE
GENERAL MAINTENANCE
General MaintenanceINFOID:0000000005145933
General maintenance includes those items which should be check

MA-6
< ON-VEHICLE MAINTENANCE >
GENERAL MAINTENANCE
ON-VEHICLE MAINTENANCE
GENERAL MAINTENANCE
General MaintenanceINFOID:0000000005145933
General maintenance includes those items which should be checked during the normal day-to-day operation
of the vehicle. They are essential if the vehicle is to continue operating properly. The owner can perform these
checks and inspections or have thei r INFINITI dealers perform them.
OUTSIDE THE VEHICLE
The maintenance items listed here should be performed fr om time to time, unless otherwise specified.
INSIDE THE VEHICLE
The maintenance items listed here should be checked on a regular basis, such as when performing periodic maintenance, cleaning the vehicle,
etc.
Item Reference page
Tires Check the pressure with a gauge often and always prior to long distance trips.
Adjust the pressure in all tires, including the spare, to the pressure specified.
Check carefully for damage, cuts or excessive wear. WT-47, "
Inspection"
Wheel lug nuts
When checking the tires, make sure no nuts are missing, and check for any loose
nuts. Tighten if necessary. WT-49, "Rotation"
Windshield
Clean the windshield on a regular basis. Check the windshield at least every six
months for cracks or other damage. Repair as necessary. GW-11, "Removal and
Installation"
Tire rotation
Tires should be rotated every 12,000 km (7,500 miles). WT-49, "Rotation"
Tire Pressure Monitor-
ing System (TPMS)
transmitter componentsReplace the TPMS transmitter grommet seat, valve core and cap when the tires
are replaced due to wear or age.
WT-50, "Transmitter
(Pressure Sensor)"
Wheel alignment and
balanceIf the vehicle pulls to either side while driving on a straight and level road, or if
you detect uneven or abnormal tire wear, there may be a need for wheel align-
ment. If the steering wheel or seat vibrates at normal highway speeds, wheel bal-
ancing may be needed. WT-48, "Balancing
Wheels", FSU-6, "Front
Wheel Alignment"
Windshield wiper
blades
Check for cracks or wear if they do not wipe properly.
—
Doors and engine
hood Check that all doors and the engine hood operate smoothly as well as the back
door. Also make sure that all latches lock securely. Lubricate if necessary. Make
sure that the secondary latch keeps the hood from opening when the primary
latch is released.
When driving in areas using road salt or other corrosive materials, check lubri-
cation frequently. MA-38, "
LOCKS AND
HINGES : Lubricating
Locks, Hinges and Hood
Latches"
Lamps
Make sure that the head lamps, stop lamps, tail lamps, turn signal lamps, and
other lamps are all operating properly and installed securely. Also check head
lamp aim. Clean the head lamps on a regular basis. EXL-145, "HEADLAMP :
Aiming Adjustment"
Item
Reference page
Warning lamps and
chimes Make sure that all warning lamps and chimes are operating properly.
WCS-4, "
WARNING
CHIME SYSTEM : Sys-
tem Description"
Windshield wiper and
washerCheck that the wipers and washer operate properly and that the wipers do not
streak.
—
Windshield defroster Check that the air comes out of the defroster outlets properly and in sufficient
quantity when operating the heater or air conditioner. —
Steering wheel Check that it has the specified play. Be sure to check for changes in the steering
condition, such as excessive play, hard steering or strange noises.
Free play: less than 35mm (1.38 in) ST-15, "
On-Vehicle In-
spection and Service"
Seats
Check seat position controls such as seat adjusters, seat back recliner, etc. to
make sure they operate smoothly and that all latches lock securely in every po-
sition. Check that the head restraints move up and down smoothly and that the
locks (if equipped) hold securely in all latched positions. Check that the latches
lock securely for folding-down rear seat backs. —
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INFINITI QX56 2010 Factory Service Manual GENERAL MAINTENANCEMA-7
< ON-VEHICLE MAINTENANCE >
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UNDER THE HOOD AND VEHICLE
The maintenance items listed here should be checked periodically (e.g. each time you chec

GENERAL MAINTENANCEMA-7
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The maintenance items listed here should be checked periodically (e.g. each time you check the engine oil or refuel).
Seat beltsCheck that all parts of the seat belt system (e.g. buckles, anchors, adjusters and
retractors) operate properly and smoothly and are installed securely. Check the
belt webbing for cuts, fraying, wear or damage. MA-39, "SEAT BELT,
BUCKLES, RETRAC-
TORS, ANCHORS AND
ADJUSTERS : Checking
Seat Belts, Buckles, Re-
tractors, Anchors and
Adjusters"
Accelerator pedal
Check the pedal for smooth operation and make sure the pedal does not catch
or require uneven effort. Keep the floor mats away from the pedal. ACC-6, "Accelerator
Control"
Brakes
Check that the brake does not pull the vehicle to one side when applied. —
Brake pedal and
booster Check the pedal for smooth operation and make sure it has the proper distance
under it when depressed fully. Check the brake booster function. Be sure to keep
the floor mats away from the pedal. BR-15, "
Inspection and
Adjustment", BR-10, "In-
spection"
Parking brake
Check that the lever or the pedal has the proper travel and make sure that the
vehicle is held securely on a fairly steep hill when only the parking brake is ap-
plied. PB-5, "On-Vehicle Ser-
vice"
Automatic transmis-
sion “Park” mecha-
nismCheck that the lock release button on the selector lever operates properly and
smoothly. On a fairly steep hill check that the vehicle is held securely with the se-
lector lever in the P position without applying the brakes.
—
Item
Reference page
Item Reference page
Windshield washer
fluid Check that there is adequate fluid in the tank.
—
Engine coolant level Check the coolant level when the engine is cold. CO-10, "
Inspection"
Radiator and hosesCheck the front of the radiator and clean off any dirt, insects, leaves, etc., that
may have accumulated. Make sure the hoses have no cracks, deformation, de-
terioration or loose connections. —
Brake fluid level Make sure that the brake fluid level is between the “MAX” and “MIN” lines on the
reservoir. MA-34, "
BRAKE FLUID
LEVEL AND LEAKS : On
Board Inspection"
Battery
Check the fluid level in each cell. It should be between the “MAX” and “MIN” lines.
Vehicles operated in high temperatures or under severe conditions require fre-
quent checks of the battery fluid level. —
Engine drive belt Make sure that no belt is frayed, worn, cracked or oily. MA-15, "
DRIVE BELTS :
Checking Drive Belts"
Engine oil levelCheck the level on the oil level gauge after parking the vehicle on a level spot and
turning off the engine. LU-8, "Inspection"
Power steering fluid
level and lines
Check the level on the dipstick with the engine off. Check the lines for improper
attachment, leaks, cracks, etc. MA-37, "POWER
STEERING FLUID AND
LINES : Checking Fluid
Level"
Automatic transmis-
sion fluid level
Check the level on the fluid level gauge after putting the selector lever in “P” with
the engine idling. MA-27, "A/T FLUID :
Checking the A/T Fluid
(ATF)"
Exhaust system
Make sure there are no loose supports, cracks or holes. If the sound of the ex-
haust seems unusual or there is a smell of exhaust fumes, immediately locate
the trouble and correct it. MA-26, "EXHAUST SYS-
TEM : Checking Exhaust
System"
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INFINITI QX56 2010 Factory Service Manual MA-8
< ON-VEHICLE MAINTENANCE >
GENERAL MAINTENANCE
UnderbodyThe underbody is frequently exposed to corrosive substances such as those
used on icy roads or to control dust. It is very important to re

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