torque INFINITI QX56 2011 Factory Service Manual

RAX-12
< REMOVAL AND INSTALLATION >
REAR DRIVE SHAFT
10. Put matching mark (A) on drive shaft and wheel hub and bearingassembly.
CAUTION:
Use paint or similar substance for matching marks. Never
scratch the surface.
11. Patch wheel hub lock nut with a piece of wood. Hammer the wood to disengage wheel hub and bearing assembly from drive
shaft.
CAUTION:
 Never place drive shaft joint at an extreme angle. Also becareful not to over extend slide joint.
 Never allow drive shaft to ha ng down without support for
counterpart such as joint sub-assembly, and other parts.
NOTE:
Use a suitable puller if wheel hub and bearing assembly and drive shaft cannot be separated even after
performing the above procedure.
12. Remove wheel hub lock nut.
13. Remove mounting bolts between side flange and drive shaft.
14. Remove drive shaft from the vehicle.
15. Perform inspection after removal. Refer to RAX-16, "
Inspection".
INSTALLATION
Note the following, and install in the reverse order of removal.
 Clean the matching surface of wheel hub lock nut and wheel hub and bearing assembly.
CAUTION:
Never apply lubricating oi l to these matching surface.
 Clean the matching surface of drive shaft and wheel hub and bear- ing assembly. And then apply paste [service parts (440037S000)]
to surface (A) of joint sub-assembly of drive shaft.
CAUTION:
Apply paste to cover entire fl at surface of joint sub-assembly
of drive shaft.
 Use the following torque range for tightening the wheel hub lock nut.
CAUTION:
 Since the drive shaft is assembled by press-fittin g, use the tightening torque range for the wheel
hub lock nut.
 Be sure to use torque wrench to tighten th e wheel hub lock nut. Never use a power tool.
NOTE:
Wheel hub lock nut tightening torque does not over torque for avoiding axle noise, and does not less than
torque for avoiding looseness.
 Perform the final tightening of each of parts under unladen conditions, which were removed when removing
wheel hub and bearing assembly and axle housing.
 When installing the adjusting cap, check that there must be no play.
 Never reuse cotter pin, wheel hub lock nut.
WHEEL SIDE
WHEEL SIDE : Disassembly and AssemblyINFOID:0000000006225470
DISASSEMBLY
1. Fix shaft with a vise. CAUTION:
Protect shaft when fixing with a vi se using aluminum or copper plates.
JPDIG0121ZZ
Amount paste 1.0 – 3.0 g (0.04 – 0.10 oz)
: 218 – 223 N·m (22.3 – 22.7 kg-m, 161 – 164 ft-lb)
JPDIG0122ZZ
Revision: 2010 May2011 QX56

WHEEL ALIGNMENTRSU-7
< PERIODIC MAINTENANCE >
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Adjust with adjusting bolt (1) in front lower link (2).
CAUTION:
 When tightening the nut firml y and checking the torque, use a
wrench to prevent the turning of bolt.
 After adjusting camber, be sure to check toe-in.
 If camber is not still within the specification, inspect and replace
any damaged or worn suspension parts.
TOE-IN
Adjust with adjusting bolt (1) in rear lower link (2).
CAUTION:
 Be sure to adjust equally on ri ght and left side with adjusting
bolt.
 When tightening the nut firml y and checking the torque, use a
wrench to prevent the turning of bolt.
 If toe-in is not still within the specification, inspect and replace any damaged or worn suspension parts. Camber : Refer to
RSU-20, "
Wheel Alignment".
JPEIB0225ZZ
Toe-In : Refer to RSU-20, "Wheel Alignment".
JPEIB0226ZZ
Revision: 2010 May2011 QX56

SUSPENSION ARMRSU-13
< REMOVAL AND INSTALLATION >
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SUSPENSION ARM
Exploded ViewINFOID:0000000006225670
Removal and InstallationINFOID:0000000006225671
REMOVAL
1. Remove tires with power tool. Refer to WT-64, "Removal and Installation".
2. Remove rear suspension member assembly. Refer to RSU-18, "
Removal and Installation".
3. Remove bumper rubber from frame, usi ng a socket (commercial service tool).
4. Remove suspension arm from axle housing. Refer to RAX-7, "
Removal and Installation".
5. Remove suspension arm mounting bolts, nuts, and stopper rubber from rear suspension member.
6. Remove suspension arm.
7. Perform inspection after removal. Refer to RSU-13, "
Inspection and Adjustment".
INSTALLATION
Note the following and, install in the reverse order of removal.
 Perform final tightening of rear suspension mem ber installation position (rubber bussing), under unladen
conditions with tires on level ground.
 Perform inspection after installation. Refer to RSU-13, "
Inspection and Adjustment".
 Perform adjustment after installation. (With HBMC) Refer to RSU-13, "
Inspection and Adjustment".
Inspection and AdjustmentINFOID:0000000006225672
INSPECTION AFTER REMOVAL
Appearance
Check the following items, and replace the part if necessary.
 Suspension arm and bushing for deformation, cracks or damage.
 Boot of ball joint for cracks or damage, and also for grease leakage.
Ball Joint Inspection
Manually move ball stud to confirm it moves smoothly with no binding.
Swing Torque Inspection
1. Rear suspension member 2. Stopper rubber 3. Suspension arm
4. Bumper rubber
A. To frame
Refer to GI-4, "
Components" for symbols in the figure.
JPEIB0230GB
Revision: 2010 May2011 QX56

RSU-14
< REMOVAL AND INSTALLATION >
SUSPENSION ARM
1. Move the ball joint at least ten times by hand to check for smooth movement.
2. Hook spring balance (A) at groove. Confirm spring balancemeasurement value is within specifications when ball stud
begins moving.
 If swing torque exceeds the standard range, replace suspension arm assembly.
Rotating Torque Inspection
1. Move the ball joint at least ten times by hand to check for smooth movement.
2. Check that rotating torque is within the specifications.
 If rotating torque exceeds the standard range, replace suspension arm assembly.
Axial End Play Inspection
1. Move the ball joint at least ten times by hand to check for smooth movement.
2. Move tip of ball stud in axial direction to check for looseness.
 If axial end play exceeds the standard r ange, replace suspension arm assembly.
INSPECTION AFTER INSTALLATION
1. Check wheel alignment. Refer to RSU-6, "Inspection".
2. Adjust neutral position of steering angle sensor. Refer to BRC-64, "
Work Procedure".
3. Adjust levelizer adjustment of height sensor. Refer to EXL-61, "
LEVELIZER ADJUSTMENT : Special
Repair Requirement".
4. Check standard vehicle height setting of vehicle height sensor. Refer to SCS-67, "
Work Procedure".
ADJUSTMENT AFTER INSTALLATION (WITH HBMC)
Bleed air from the HBMC. Refer to SCS-18, "Work Procedure".
Swing torque : Refer to
RSU-20, "
Ball Joint".
JPEIA0005ZZ
Rotating torque : Refer to RSU-20, "Ball Joint".
Axial end play : Refer to RSU-20, "
Ball Joint".
Revision: 2010 May2011 QX56

FRONT LOWER LINKRSU-15
< REMOVAL AND INSTALLATION >
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FRONT LOWER LINK
Exploded ViewINFOID:0000000006225673
Removal and InstallationINFOID:0000000006225674
REMOVAL
1. Remove tires with power tool. Refer to WT-64, "Removal and Installation".
2. Set suitable jack under rear lower link.
3. Remove shock absorber mounting bolts from front lower link. Refer to RSU-10, "
Exploded View".
4. Remove stabilizer connecting rod. (Without HBMC) Refer to RSU-17, "
Removal and Installation".
5. Remove front lower link mounting bolts and nuts from axle housing.
6. Remove front lower link mounting bolt, nuts, stopper rubbers, eccentric disc, and adjusting bolt from rear
suspension member, and remove front lower link.
7. Perform inspection after removal. Refer to RSU-15, "
Inspection".
INSTALLATION
Note the following, and install in the reverse order of removal.
 Perform final tightening of rear suspension mem ber and axle installation position (rubber bushing), under
unladen conditions with tires on level ground.
 Perform inspection after installation. Refer to RSU-15, "
Inspection".
InspectionINFOID:0000000006225675
INSPECTION AFTER REMOVAL
Appearance
Check the following items, and replace the part if necessary.
 Front lower link and bushing for deformation, cracks or damage.
 Boot of ball joint for cracks or damage, and also for grease leakage.
Ball Joint Inspection
Manually move ball stud to confirm it moves smoothly with no binding.
Swing Torque Inspection
1. Move the ball joint at least ten times by hand to check for smooth movement.
1. Rear suspension member 2. Adjusting bolt 3. Stopper rubber
4. Front lower link 5. Eccentric disc
Refer to GI-4, "
Components" for symbols in the figure.
JPEIB0231GB
Revision: 2010 May2011 QX56

RSU-16
< REMOVAL AND INSTALLATION >
FRONT LOWER LINK
2. Hook spring balance (A) at groove. Confirm spring balancemeasurement value is within specifications when ball stud
begins moving.
 If swing torque exceeds the standard range, replace front lower link.
Rotating Torque Inspection
1. Move the ball joint at least ten times by hand to check for smooth movement.
2. Check that rotating torque is within the specifications.
 If rotating torque exceeds the standar d range, replace front lower link.
Axial End Play Inspection
1. Move the ball joint at least ten times by hand to check for smooth movement.
2. Move tip of ball stud in axial direction to check for looseness.
 If axial end play exceeds the standard range, replace front lower link.
INSPECTION AFTER INSTALLATION
1. Check wheel alignment. Refer to RSU-6, "Inspection".
2. Adjust neutral position of steering angle sensor. Refer to BRC-64, "
Work Procedure".
Swing torque : Refer to
RSU-20, "
Ball Joint".
JPEIA0005ZZ
Rotating torque : Refer to RSU-20, "Ball Joint".
Axial end play : Refer to RSU-20, "
Ball Joint".
Revision: 2010 May2011 QX56

REAR STABILIZERRSU-17
< REMOVAL AND INSTALLATION >
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REAR STABILIZER
Exploded ViewINFOID:0000000006270956
Removal and InstallationINFOID:0000000006270957
REMOVAL
1. Remove stabilizer connecting rods.
2. Remove stabilizer clamps and stabilizer bushings.
3. Remove stabilizer bar.
4. Perform inspection after removal. Refer to RSU-17, "
Inspection".
INSTALLATION
Note the following, and install in the reverse order of removal.
 Tighten the mounting nut to the specified torque wh ile holding a hexagonal part of stabilizer connecting rod
side.
InspectionINFOID:0000000006270958
INSPECTION AFTER REMOVAL
Check stabilizer bar, stabilizer connecting rod, stabiliz er bushing and stabilizer clamp for deformation, cracks
or damage. Replace it if necessary.
1. Stabilizer bar 2. Stabilizer bushing 3. Stabilizer clamp
4. Stabilizer connecting rod 5. Front lower link
Refer to GI-4, "
Components" for symbols in the figure.
JPEIB0249GB
Revision: 2010 May2011 QX56

RSU-20
< SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
Wheel AlignmentINFOID:0000000006225679
Measure value under unladen* conditions.
*: Fuel, engine coolant and lubricant are full. Spare tire, jack, hand tools and mats are in designated positions.
Ball JointINFOID:0000000006225680
Wheel HeightINFOID:0000000006225681
Measure value under unladen* conditions.
*: Fuel, engine coolant and lubricant are full. Spare tire, jack, hand tools and mats are in designated positions.Item Standard
Camber
Degree minute (Decimal degree) Minimum –1
° 00 ′ (–1.00 °)
Nominal –0 ° 30 ′ (–0.50 °)
Maximum 0 ° 00 ′ (0.00 °)
Left and right difference 0 ° 45 ′ (0.75 °) or less
To e - i n Total toe-in
Distance
Minimum 0 mm (0 in)
Nominal In 3.4 mm (0.134 in)
Maximum In 6.8 mm (0.268 in)
Toe angle (left wheel or right wheel)
Degree minute (Decimal degree) Minimum 0
° 00 ′ (0.00 °)
Nominal In 0 ° 07 ′ (0.12 °)
Maximum In 0 ° 14 ′ (0.23 °)
Item Standard
Swing torque 0.5 – 6.4 N·m (0.06 – 0.65 kg-m, 5 – 56 in-lb)
Measurement on spring balance (groove position) Suspension arm 11.4 – 145.4 N (1.17 – 14.83 kg, 2.57 – 32.68 lb)
Front lower link 11.0 – 140.6 N (1.13 – 14.34 kg, 2.48 – 31.60 lb)
Rotating torque 0.5 – 6.4 N·m (0.06 – 0.65 kg-m, 5 – 56 in-lb)
Axial end play 0 mm (0 in)
Item Standard
Front (Hf) 903 mm (35.55 in)
Rear (Hr) 890 mm (35.04 in)
SFA746B
Revision: 2010 May2011 QX56

CHECK SYSTEM PRESSURESCS-15
< BASIC INSPECTION > [HBMC]
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BASIC INSPECTION
CHECK SYSTEM PRESSURE
Work ProcedureINFOID:0000000006256009
CAUTION:
 Clean surrounding areas of oil inj ection jack using steam before starting operation, since there may
be mud on it.
 Clean oil pressure gauge (special service tool: KV40108000) jack with steam before use.
1. Lift up the vehicle.
2. Remove protector of PPMU.
3. Remove cap of oil injection jack.
4. Install an oil pressure gauge (SST: KV40108000) (A) to oil injec- tion jack.
CAUTION:
 Jack must be securely inserted until a click sound can be
heard.
 Pressure reducing valve (B) of the oil pressure gauge
must be closed.
5. Loosen needle valves A, C, and E of PPMU by approximately 2 rotations.
CAUTION:
Never loosen the needle valve more than required.
6. Refer to the figure and check the specified pressure.
7. Tighten needle valves A, C, and E of PPMU to the specified torque.
JSEIA0186ZZ
JSEIA0187ZZ
Tightening torque : 8.3 N·m (0.85 kg-m, 73 in-lb)
JSEIA0222GB
Revision: 2010 May2011 QX56

PRESSURE REDUCING METHODSCS-17
< BASIC INSPECTION > [HBMC]
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PRESSURE REDUCING METHOD
Work ProcedureINFOID:0000000006256010
CAUTION:
 Clean surrounding areas of oil inj ection jack using steam before starting operation, since there may
be mud on it.
 Clean oil pressure gauge (special service tool: KV40108000) jack with steam before use.
1. Lift up the vehicle.
2. Remove protector of PPMU.
3. Remove cap of oil injection jack.
4. Install an oil pressure gauge (SST: KV40108000) (A) to oil injec- tion jack.
CAUTION:
 Jack must be securely inserted until a click sound can beheard.
 Pressure reducing valve (B) of the oil pressure gauge
must be closed.
5. Loosen needle valves A, C, and E of PPMU by approximately 2 rotations.
CAUTION:
Never loosen the needle valve more than required.
6. Loosen pressure reducing valve (A) of oil pressure gauge and then lower pressure.
CAUTION:
Be careful since oil drains sw iftly from oil drain hole (B).
7. Check that reading of oil pressure gauge is 0 MPa.
8. Tighten needle valves A, C, and E of PPMU to the specified torque.
JSEIA0186ZZ
JSEIA0187ZZ
Tightening torque : 8.3 N·m (0.85 kg-m, 73 in-lb)
JSEIA0188ZZ
Revision: 2010 May2011 QX56