Infiniti QX4 (R50). Manual — part 558
WHEELARCH HEIGHT (UNLADEN*)
NBSU0019
Unit: mm (in)
SFA746B
Applied model
245/70 R16 tire
245/65 R17 tire
Front (Hf)
794 (31.26)
Rear (Hr)
810 (31.89)
*: Fuel, radiator coolant and engine oil full. Spare tire, jack, hand tools and mats in designated positions.
WHEEL RUNOUT AVERAGE*
NBSU0020
Unit: mm (in)
Radial runout limit
0.3 (0.012)
Lateral runout limit
0.3 (0.012)
*: Wheel runout average = (Outside runout value + Inside runout value) x 0.5
FRONT SUSPENSION
Service Data and Specifications (SDS) (Cont’d)
SU-14
SBR686C
Precautions
PRECAUTIONS
NBSU0021
I
When installing rubber parts, final tightening must be car-
ried out under unladen condition* with tires on ground.
*Fuel, radiator coolant and engine oil full. Spare tire, jack,
hand tools and mats in designated positions.
I
Use flare nut wrench when removing and installing brake
tubes.
I
After installing removed suspension parts, check wheel
alignment and adjust if necessary.
I
Always torque brake lines when installing.
Preparation
COMMERCIAL SERVICE TOOLS
NBSU0023
Tool name
Description
1 Flare nut crowfoot
2 Torque wrench
NT360
Removing and installing each brake piping
a: 10 mm (0.39 in)
Noise, Vibration and Harshness (NVH)
Troubleshooting
NBSU0036
Refer to “Noise, Vibration and Harshness (NVH) Troubleshooting”,
“FRONT SUSPENSION”, SU-3.
GI
MA
EM
LC
EC
FE
AT
TF
PD
AX
BR
ST
RS
BT
HA
SC
EL
IDX
REAR SUSPENSION
Precautions
SU-15
Components
NBSU0024
SRA880A
SMA525A
On-vehicle Service
REAR SUSPENSION PARTS
NBSU0025
Check rear axle and rear suspension parts for excessive play, wear
and damage.
1.
Shake each rear wheel to check for excessive play.
2.
Retighten all nuts and bolts to the specified torque.
Tightening torque: Refer to “Coil Spring and Shock
Absorber”, SU-18.
SRA754A
3.
Check shock absorber for oil leakage and other damage.
4.
Check shock absorber bushing for excessive wear and other
damage.
5.
Check wheelarch height. Refer to “On-vehicle Service”,
“FRONT SUSPENSION”, SU-5.
REAR SUSPENSION
Components
SU-16
SBR686C
Removal and Installation
NBSU0026
1.
Support axle and suspension components with a suitable jack
and block.
2.
Disconnect brake hydraulic line and parking brake cables at
back plates.
CAUTION:
I
Use flare nut wrench when removing and installing brake
tubes.
I
Before removing the rear suspension assembly, discon-
nect the ABS wheel sensor from the assembly. Then move
it away from the rear suspension assembly. Failure to do
so may result in damage to the sensor wires and the sen-
sor becoming inoperative.
3.
Remove stabilizer bar from body.
4.
Remove upper links and lower links from body.
5.
Remove panhard rod from body.
6.
Disconnect rear end of propeller shaft. Refer to PD-6,
“Removal and Installation”.
7.
Remove upper end nuts of shock absorber.
SRA935
Final tightening for rubber parts requires to be carried out
under unladen condition with tires on ground.
GI
MA
EM
LC
EC
FE
AT
TF
PD
AX
BR
ST
RS
BT
HA
SC
EL
IDX
REAR SUSPENSION
Removal and Installation
SU-17
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