2010 INFINITI QX56 ABS

REAR SUSPENSION MEMBERRSU-13
< REMOVAL AND INSTALLATION >
C
DF
G H
I
J
K L
M A
B
RSU
N
O P
• Do not crimp or stretch the brake hose when re positioning the brake caliper out of the way.
• Do not press brake pedal while the brake caliper is removed.
7. Remove the spare tire.
8. Disconnect the two rear ABS sensor electrical connectors.
9. Remove the two rear drive shafts. Refer to RAX-10, "
Removal and Installation" .
10. Remove the rear final drive. Refer to DLN-250, "
Removal and Installation" .
11. Remove the EVAP canister bolt from the top of the rear suspension member.
12. Disconnect the parking brake cables from the brackets on the rear suspension member.
13. Set a suitable jack to support each of the rear lower links and the coil spring tension.
14. Remove both of the rear lower link outer bolts and lower the jack to remove the rear coil springs.
15. Remove the two bolts to disconnect the seat belt latch anchor from the rear suspension member.
16. Disconnect both of the connecting rods from the rear stabilizer
bar.
17. Set a suitable jack under the rear suspension member.
18. Remove the six rear suspension member bolts.
19. Slowly lower the jack to remove the rear suspension member, suspension arm, front and rear lower links and stabilizer bar as
an assembly.
20. If necessary, remove the suspension arm, spare tire bracket, height sensor, rear load leveling air suspension hoses, stabilizer
bar, knuckle, and front and rear lower links from the rear suspension member.
INSPECTION AFTER REMOVAL
Check the rear suspension member for deformation, cracks, and other damage and replace if necessary.
INSTALLATION
Installation is in the reverse order of removal.
• When raising the rear suspension member assembly, use the
locating pins to align the rear suspension member to the vehicle
body.
LEIA0077E
LEIA0075E
LEIA0083E
Revision: April 20092010 QX56

SHOCK ABSORBERRSU-15
< REMOVAL AND INSTALLATION >
C
DF
G H
I
J
K L
M A
B
RSU
N
O P
SHOCK ABSORBER
Removal and InstallationINFOID:0000000005148133
REMOVAL
1. Remove the wheel and tire assembly using power tool. Refer to WT-49, "Rotation".
2. Use CONSULT-III “EXHAUST SOLENOID ” active test to release the air pressure from the rear load level-
ing air suspension system.
3. Remove the four clips and remove the rear fender protector, front.
4. Disconnect the rear load leveling air suspension hose from the shock absorber.
• To disconnect the hose, push in on the lock ring using a suit-
able tool and pull the air hose out.
5. Remove the shock absorber upper and lower end bolts using power tool.
6. Remove the shock absorber. CAUTION:
Do not damage the rubber boot on the shock absorber.
INSTALLATION
Installation is in the reverse order of removal.
• Tighten the shock absorber bolts to specification. Refer to RSU-9, "
Component".
INSPECTION AFTER INSTALLATION
• Check the shock absorber for any air leaks or damage to the rubber boot.
• Check the shock absorber for smooth operation through a full stroke, both compression and extension.
• Check piston rod for cracks, deformation or other damage and replace if necessary.
DisposalINFOID:0000000005369243
1. Set shock absorber horizontally with the piston rod fully extended.
LEIA0081E
LEIA0082E
Revision: April 20092010 QX56

RSU-16
< REMOVAL AND INSTALLATION >
SHOCK ABSORBER
2. Drill 2 – 3 mm (0.08 – 0.12 in) hole at the position ( ) from topas shown in the figure to release gas gradually.
CAUTION:
• Wear eye protection (safety glasses).
• Wear gloves.
• Be careful with metal chips or oil blown out by the com-pressed gas.
NOTE:
• Drill vertically in this direction ( ).
• Directly to the outer tube avoiding brackets.
• The gas is clear, colorless, odorless, and harmless.
3. Position the drilled hole downward and drain oil by moving the piston rod several times. CAUTION:
Dispose of drained oil according to the law and local regulations.
A : 20 – 30 mm (0.79 – 1.18 in)
JPEIA0161ZZ
Revision: April 20092010 QX56

SUSPENSION ARMRSU-17
< REMOVAL AND INSTALLATION >
C
DF
G H
I
J
K L
M A
B
RSU
N
O P
SUSPENSION ARM
Removal and InstallationINFOID:0000000005148134
REMOVAL
1. Remove the rear suspension member assembly using power tool. Refer to RSU-11, "Removal and Instal-
lation" .
NOTE:
It is necessary to remove the rear suspension member to remove the front upper bolt from the suspension
arm.
2. Remove the shock absorber upper end bolt.
3. Remove the suspension arm upper nuts and bolts on the sus- pension member side using power tool.
4. Remove the suspension arm pinch bolt and nut on the knuckle side using power tool.
5. Disconnect the suspension arm from the knuckle using a soft hammer.
CAUTION:
Do not damage the ball joint with the soft hammer.
6. Remove the suspension arm.
INSPECTION AFTER REMOVAL
• Check the suspension arm for damage, cracks, deformation and replace if necessary.
• Check the rubber bushing for damage, cracks and deformati on. Replace suspension arm assembly if neces-
sary.
• Before checking, turn the ball joint at least 10 revo lutions so that the ball joint is properly broken in.
LEIA0082E
LEIA0087E
Revision: April 20092010 QX56

FRONT LOWER LINKRSU-19
< REMOVAL AND INSTALLATION >
C
DF
G H
I
J
K L
M A
B
RSU
N
O P
FRONT LOWER LINK
Removal and InstallationINFOID:0000000005148135
REMOVAL
1. Remove the wheel and tire assembly using power tool.
2. Use CONSULT-III "EXHAUST SOLENOID" active test to release the air pressure from the rear load level-
ing air suspension system.
3. Remove the shock absorber lower end bolt.
4. Remove the adjusting bolt and nut, and the bolt and nut, from the front lower link and rear suspension member using power
tool.
5. Remove the front lower link pinch bolt and nut on the knuckle side using power tool.
6. Disconnect the front lower link from the knuckle using a soft hammer.
CAUTION:
Do not damage the ball joint with the soft hammer.
7. Remove the front lower link.
INSPECTION AFTER REMOVAL
• Check the front lower link and bushing for any deforma tion, crack, or damage. Replace if necessary.
• Check the rubber bushing for damage, cracks and deforma tion. Replace the front lower link and bushing if
necessary.
• Before checking, turn the ball joint at least 10 revo lutions so that the ball joint is properly broken in.
LEIA0082E
LEIA0086E
Revision: April 20092010 QX56

RSU-24
< REMOVAL AND INSTALLATION >
REAR LOAD LEVELING AIR SUSPENSION COMPRESSOR ASSEMBLY
REAR LOAD LEVELING AIR SUSPENSION COMPRESSOR ASSEMBLY
Removal and InstallationINFOID:0000000005148138
Rear Load Leveling Air Suspension System
REMOVAL
1. Use CONSULT-III "EXHAUST SOLENOID" active test to release the air pressure from the rear load level-
ing air suspension system.
2. Disconnect the electrical connectors for the rear load leveling air suspension compressor assembly.
3. Unclip the rubber cover to access the rear load leveling air suspension compressor assembly.
4. Disconnect the rear load leveling air suspension hoses at the rear load leveling air suspension compressor assembly.
• To disconnect the hoses, push in on the lock ring using a suit-
able tool and pull the hose out.
AWEIA0054GB
1. Rear load leveling air suspension
hose, RH 2. Shock absorber, RH
3. Height sensor
4. Rear load leveling air suspension hose, LH 5. Shock absorber, LH
6. Rear load leveling air suspension
compressor assembly
Front
LEIA0074E
Revision: April 20092010 QX56

HEIGHT SENSORRSU-27
< REMOVAL AND INSTALLATION >
C
DF
G H
I
J
K L
M A
B
RSU
N
O P
HEIGHT SENSOR
Removal and InstallationINFOID:0000000005148141
Rear Load Leveling Air Suspension System
REMOVAL
1. Use CONSULT-III “EXHAUST SOLENOID ” active test to release the air pressure from the rear load level-
ing air suspension system.
2. Disconnect the electrical connector for the height sensor.
3. Remove the two height sensor bolts and height sensor arm bracket bolt.
4. Remove the height sensor.
INSTALLATION
Installation is in the reverse order of removal.
AWEIA0054GB
1. Rear load leveling air suspension hose, RH 2. Shock absorber, RH 3. Height sensor
4. Rear load leveling air suspension hose, LH 5. Shock absorber, LH
6. Rear load leveling air suspension
compressor assembly
Front
LEIA0080E
Revision: April 20092010 QX56

FRONT SEATSE-69
< DISASSEMBLY AND ASSEMBLY >
C
DE
F
G H
I
K L
M A
B
SE
N
O P
Disassembly and AssemblyINFOID:0000000005256345
SEATBACK TRIM AND PAD
Disassembly
CAUTION:
• Only complete seatback assemblies can be replaced on vehicles equipped with side air bags.
• When removing or installing the seat trim, handle it carefully to keep dirt out and avoid damage.
1. Remove the seatback assembly. Refer to SE-51, "
Removal and Installation".
2. Remove the headrest.
3. From inside of the seatback, squeeze the headrest holder tabs
at the base of the stay pipe and pull the up to remove.
NOTE:
Before installing the headrest holder, check its orientation (front/
rear and right/left).
4. Remove the snap ring and the lumbar support lever knob (if equipped).
5. Remove the seatback trim and pad assembly.
6. Remove the hog rings to separate the seatback trim from the pad.
Assembly
Assembly is in the reverse order of disassembly.
SEAT CUSHION TRIM AND PAD
Disassembly
CAUTION:
• Front passenger seat is equipped with an Occupant Classification System sensor and control mod-
ule. Do not disassemble front passenger seat cushion assembly or remove the trim as this will affect
the Occupant Classificatio n System calibration.
• Always replace passenger seat cushion as an assembly.
• When removed, the passenger seat cushion must al ways be placed pan side UP to prevent damage.
• During installation, the wire harness clips must be reinstalled in the holes they were originally in. Do
not add additional clips.
• The Occupant Classification System control module can only be replaced as part of the seat cushion
assembly.
19. Outer pedestal finisher 20. Seat cushion outer finisher21. Seat cushion assembly
22. Power seat switch escutcheon 23. Slide switch knob 24. Recliner switch knob
25. Seatback assembly 26. Headrest holder27. Seat slide/ recline switch
28. Power lumbar switch
LRS023
PIIA1156E
Revision: April 20092010 QX56