wheel INFINITI QX56 2010 Factory Service Manual

LU-1
ENGINE
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SECTION LU
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LU
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CONTENTS
ENGINE LUBRICATION SYSTEM
PRECAUTION ....... ........................................2
PRECAUTIONS .............................................. .....2
Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" ............................................................. ......
2
Precaution Necessary for Steering Wheel Rota-
tion After Battery Disconnect ............................... ......
2
Precaution for Liquid Gasket .....................................3
PREPARATION ............................................4
PREPARATION .............................................. .....4
Special Service Tool ........................................... ......4
Commercial Service Tool ..........................................4
FUNCTION DIAGNOSIS ...............................6
LUBRICATION SYSTEM ............................... .....6
Lubrication Circuit ............................................... ......6
Schematic .................................................................7
ON-VEHICLE MAINTENANCE .....................8
ENGINE OIL ................................................... .....8
Inspection ............................................................ ......8
Changing Engine Oil ............................................ .....9
OIL FILTER .......................................................11
Removal and Installation .........................................11
ON-VEHICLE REPAIR .................................12
OIL COOLER ....................................................12
Exploded View ..................................................... ....12
Removal and Installation .........................................12
OIL PUMP .........................................................14
Exploded View .........................................................14
Removal and Installation .........................................14
DISASSEMBLY AND ASSEMBLY ..............16
OIL PUMP .........................................................16
Disassembly and Assembly ................................. ....16
SERVICE DATA AND SPECIFICATIONS
(SDS) ............... .......................................... ...
18
SERVICE DATA AND SPECIFICATIONS
(SDS) .................................................................
18
Standard and Limit .............................................. ....18
Revision: April 20092010 QX56

LU-2
< PRECAUTION >
PRECAUTIONS
PRECAUTION
PRECAUTIONS
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
INFOID:0000000005260134
The Supplemental Restraint System such as “A IR BAG” and “SEAT BELT PRE-TENSIONER”, used along
with a front seat belt, helps to reduce the risk or severity 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 inopera tive, 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 unintent ional activation of the system. For re moval of Spiral Cable and Air Bag
Module, see the SR section.
• Do not use electrical test equipmen t on any circuit related to the SRS unless instructed to in this
Service Manual. SRS wiring harn esses can be identified 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 Unit or other Airbag System sensors with the Igni-
tion ON or engine running, DO NOT use air or electri c 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 minu tes before performing any service.
Precaution Necessary for Steering W heel Rotation After Battery Disconnect
INFOID:0000000005260135
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 disconnecting 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 pow er 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.
Revision: April 20092010 QX56

MA-1
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
Revision: April 20092010 QX56

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
Revision: April 20092010 QX56

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.
Revision: April 20092010 QX56

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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MA-32
< ON-VEHICLE MAINTENANCE >
CHASSIS AND BODY MAINTENANCE
DIFFERENTIAL GEAR OIL : Changi ng Rear Differential Gear Oil
INFOID:0000000005403157
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
1. Remove the filler plug and gasket from the rear final drive assembly.
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.
DIFFERENTIAL GEAR OIL : Checking Rear Differential Gear OilINFOID:0000000005403158
OIL LEAKAGE AND OIL LEVEL
1. Make sure that differential gear oil is not leaki ng 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.
WHEELS
WHEELS : Balancing WheelsINFOID:0000000005403159
Removal
1. Using releasing agent, remove double-faced adhesive tape from the wheel. CAUTION:
• Be careful not to scratch the wheel during removal.
• After removing double-faced adh esive tape, wipe clean traces of releasing agent from the wheel.
Wheel Balance Adjustment
LLIA0068E
Differential gear oil
grade and capacity: Refer to MA-13, "Fluids and
Lubricants".
LLIA0068E
LLIA0068E
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CHASSIS AND BODY MAINTENANCEMA-33
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• If a tire balance machine has adhesion balance weight mode settings and drive-in weight mode setting,
select and adjust a drive-in weight mode suitable for wheels.
1. Set wheel on wheel balancer using the center hole as a guide. Start the tire balance machine.
2. When inner and outer imbalance values are shown on t he wheel balancer indicator, multiply outer imbal-
ance value by 1.6 to determine balance weight that should be used. Select the outer balance weight with
a value closest to the calculated value and install it to the designated outer position of, or at the desig-
nated angle in relation to the road wheel.
CAUTION:
• Do not install the inner balance weight before installing the outer balance weight.
• Before installing the balance weight, be su re to clean the mating surface of the wheel.
Indicated imbalance value × 5/3 = balance weight to be installed
Calculation example:
23 g (0.81 oz) × 5/3 = 38.33 g (1.35 oz) = 40 g (1.41 oz) balance
weight (closer to calculated balance weight value)
Note that balance weight value must be closer to the calculated
balance weight value.
Example:
37.4 g = 35 g (1.23 oz)
37.5 g = 40 g (1.41 oz)
a. Install balance weight in the position shown.
b. When installing balance weight to wheels, set it into the grooved area on the inner wall of the wheel as shown so that the balance
weight center is aligned with the wheel balancer indication posi-
tion (angle).
CAUTION:
• Always use Genuine NISSAN adhesion balance weights.
• Balance weights are not reusable; always replace withnew ones.
• Do not install more than three sheets of balance weights.
c. If calculated balance weight value exceeds 50 g (1.76 oz), install two balance weight sheets in line with each other as shown.
CAUTION:
Do not install one balance weig ht sheet on top of another.
3. Start wheel balancer again.
4. Install drive-in balance weight on inner side of road wheel in the wheel balancer indication position (angle).
CAUTION:
Do not install more than two balance weights.
5. Start wheel balancer. Make sure that inner and outer residual imbalance values are 5 g (0.18 oz) each or below.
• If either residual imbalance value exceeds 5 g (0.18 oz),repeat installation procedures.
SMA054D
WDIA0060E
SMA056D
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MA-34
< ON-VEHICLE MAINTENANCE >
CHASSIS AND BODY MAINTENANCE
Wheel balance (Maximum allowable imbalance):
WHEELS : RotationINFOID:0000000005403160
NOTE:
Follow the maintenance schedule for tire rotation service intervals. Refer to MA-9, "
Schedule 1" .
1. Rotate the tires on each side from front to back as shown. Do not include the spare tire when rotating the tires.
CAUTION:
When installing wheel s, tighten them diagonally by dividing
the work two to three times in order to prevent the wheels
from developing any distortion.
2. Adjust the tire pressure to specification. Refer to WT-52, "
Tire" .
3. After the tire rotation, retighten the wheel nuts after the vehicle has been driven for 1,000 km (600 miles), and also after every
wheel and tire have been installed such as after repairing a flat tire.
BRAKE FLUID LEVEL AND LEAKS
BRAKE FLUID LEVEL AND LEAK S : On Board InspectionINFOID:0000000005403161
LEVEL CHECK
• Make sure the fluid level in reservoir tank is between MAX and MIN
lines as shown.
• Visually check around reservoir tank for fluid leaks.
• If fluid level is excessively low, check brake system for leaks.
• If brake warning lamp remains illuminated after parking brake pedal is released, check brake system for fluid leaks.
BRAKE LINES AND CABLES
BRAKE LINES AND CABLES : Ch ecking Brake Line and CablesINFOID:0000000005259676
1. Check the brake lines and hoses for cracks, deterioration, and
other damage. Replace any damaged parts.
CAUTION:
If brake fluid leaks are visible around the brake line joints,
retighten the joint, or replace damaged parts as necessary.
2. Check for brake fluid leaks by fully depressing brake pedal while engine is running.
DISC BRAKE
Maximum allowable imbalance Dynamic (At rim flange) 5 g (0.18 oz) (one side)
Static
10 g (0.35 oz)
Wheel nut torque : 133 N·m (14 kg-m, 98 ft-lb)
SMA829C
LFIA0225E
SBR389C
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CHASSIS AND BODY MAINTENANCEMA-35
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DISC BRAKE : Front Pad InspectionINFOID:0000000005403162
PA D W E A R
Check pad thickness from the inspection holes on cylinder body.
Check using a scale if necessary.
DISC BRAKE : Front Rotor InspectionINFOID:0000000005403163
VISUAL
Check surface of disc rotor for uneven wear, cracks, and serious damage. Replace as necessary.
RUNOUT
1. Attach disc rotor to wheel hub using wheel nuts (at two or more
positions).
2. Inspect runout using a dial gauge placed at 10 mm (0.39 in) inside the disc edge.
NOTE:
Before measuring, make sure that wheel bearing axial end play
is within the specification. Refer to RAX-6, "
On-Vehicle Inspec-
tion and Service".
3. When runout exceeds limit value, displace mounting positions of disc rotor by one hole. And then find a position of the minimum value for runout.
4. If runout is outside the specified value after performing the above operation, turn disc rotor using Tool.
THICKNESS
Check thickness of the disc rotor using a micrometer. Replace disc
rotor if thickness is less than the wear limit.
DISC BRAKE : Rear Pad InspectionINFOID:0000000005403164
PA D W E A R
Standard thickness : Refer to BR-46, "Front Disc
Brake".
Repair limit thickness : Refer to BR-46, "
Front Disc
Brake".
WFIA0522E
Runout limit : Refer to BR-46, "Front Disc
Brake".
(with it attached to the vehicle)
Tool number : 38-PFM90.5 ( — )
BRA0580D
Standard thickness : Refer to BR-46, "Front
Disc Brake".
Repair limit thickness : Refer to BR-46, "
Front
Disc Brake".
Thickness variation
(Measured at 8 positions) : Refer to
BR-46, "
Front
Disc Brake".
SBR020B
Revision: April 20092010 QX56