Nissan Quest E52. Instruction — part 682
WHEEL ALIGNMENT
FSU-7
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WHEEL ALIGNMENT
Inspection
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DESCRIPTION
CAUTION:
• Camber, caster, kingpin inclination angles cannot be adjusted.
• If camber, caster, or kingpin inclination angle is outside the standard, check front suspension parts
for wear and damage. Replace suspect parts if a malfunction is detected.
• Kingpin inclination angle is reference value, no inspection is required.
Measure wheel alignment under unladen conditions.
NOTE:
“Unladen conditions” means that fuel, engine coolant, and lubricant are full. Spare tire, jack, hand tools and
mats are in designated positions.
PRELIMINARY CHECK
Check the following:
• Tires for improper air pressure and wear. Refer to
• Road wheels for runout.
• Wheel bearing axial end play. Refer to
.
• Transverse link ball joint axial end play. Refer to
• Strut operation.
• Each mounting part of axle and suspension for looseness and deformation.
• Each of suspension member, strut assembly and transverse link for cracks, deformation and other damage.
• Vehicle height (posture).
GENERAL INFORMATION AND RECOMMENDATIONS
• A four-wheel thrust alignment should be performed.
- This type of alignment is recommended for any NISSAN/INFINITI vehicle.
- The four-wheel “thrust” process helps ensure that the vehicle is properly aligned and the steering wheel is
centered.
- The alignment rack itself should be capable of accepting any NISSAN/INFINITI vehicle.
- The rack should be checked to ensure that it is level.
• Check the machine is properly calibrated.
- Your alignment equipment should be regularly calibrated in order to give correct information.
- Check with the manufacturer of your specific equipment for their recommended Service/Calibration Sched-
ule.
ALIGNMENT PROCESS
IMPORTANT:
Use only the alignment specifications listed in this Instruction.
• When displaying the alignment settings, many alignment machines use “indicators”: (Green/red, plus or
minus, Go/No Go). Never use these indicators.
- The alignment specifications programmed into your machine that operate these indicators may not be cor-
rect.
- This may result in an ERROR.
• Most camera-type alignment machines are equipped with both “Rolling Compensation” method and optional
“Jacking Compensation” method to “compensate” the alignment targets or head units. “Rolling Compensa-
tion” is the preferred method.
- If using the “Rolling Compensation” method, after installing the alignment targets or head units, push or pull
on the rear wheel to move the vehicle. Do not push or pull on the vehicle body.
- If using the “Jacking Compensation” method, after installing the alignment targets or head units, raise the
vehicle and rotate the wheels 1/2 turn both ways.
NOTE:
Do not use the “Rolling Compensation” method if you are using sensor-type alignment equipment.
- Follow all instructions for the alignment machine you're using for more information.
Adjustment
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TOE-IN
• Loosen the steering outer socket, and then adjust the length using steering inner socket.
FSU-8
< PERIODIC MAINTENANCE >
WHEEL ALIGNMENT
CAUTION:
• Always evenly adjust both toe-in alternately and adjust the difference between the left and right to
the standard.
• Always fix the steering inner socket when tightening the steering outer socket.
• After toe-in adjustment, adjust neutral position of steering angle sensor. Refer to
(with VDC).
Toe-in
: Refer to
FRONT COIL SPRING AND STRUT
FSU-9
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REMOVAL AND INSTALLATION
FRONT COIL SPRING AND STRUT
Exploded View
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Removal and Installation
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REMOVAL
1.
Remove tires with power tool. Refer to
.
2.
Remove lock plate from strut assembly. Refer to
BR-20, "FRONT : Exploded View"
.
3.
Remove wheel sensor. Refer to
BRC-119, "FRONT WHEEL SENSOR : Removal and Installation"
.
4.
Separate stabilizer connecting rod from strut assembly. Refer to
FSU-15, "Removal and Installation"
5.
Remove strut mounting bolts and nuts from steering knuckle.
6.
Remove cowl top extension. Refer to
.
7.
Remove mounting bolt of mounting insulator, and then remove
strut assembly.
INSTALLATION
Note the following, and install in the reverse order of removal.
1.
Piston rod lock nut
2.
Mounting insulator
3.
Mounting bearing
4.
Coil spring
5.
Bound bumper
6.
Lower rubber seat
7.
Strut
: N·m (kg-m, ft-lb)
: Always replace after every disassembly.
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: Vehicle front
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FSU-10
< REMOVAL AND INSTALLATION >
FRONT COIL SPRING AND STRUT
• Install strut assembly with the protrusion (A) of mounting insulator
faced outside of the vehicle.
• Never reuse strut mounting nut.
• Perform final tightening of fixing parts at the vehicle installation
position (rubber bushing), under unladen conditions with tires on
level ground.
• Perform inspection after installation. Refer to
.
• After replacing the strut, always follow the disposal procedure to
discard the strut. Refer to
Disassembly and Assembly
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DISASSEMBLY
CAUTION:
Never damage strut assembly piston rod when removing components from strut assembly.
1.
Install strut attachment (A) [SST: ST35652000 (
—
)] to strut
assembly and secure it in a vise.
CAUTION:
When installing the strut attachment to strut assembly,
wrap a shop cloth around strut to protect from damage.
2.
Using a spring compressor (A) (commercial service tool), com-
press coil spring between spring upper seat and lower seat
(strut assembly) until coil spring with a spring compressor is
free.
CAUTION:
Be sure a spring compressor is securely attached to coil
spring. Compress coil spring.
3.
Check coil spring with a spring compressor between spring
upper seat and lower seat (strut assembly) is free. And then
remove piston rod lock nut while securing the piston rod tip so
that piston rod does not turn.
4.
Remove mounting insulator, mounting bearing, and bound
bumper from strut.
5.
After removing coil spring with a spring compressor (commercial service tool), then gradually release a
spring compressor.
CAUTION:
Loosen while making sure coil spring attachment position does not move.
6.
Remove lower rubber seat.
7.
Remove strut attachment [SST: ST35652000 (
—
)] from strut.
8.
Perform inspection after disassembly. Refer to
.
ASSEMBLY
CAUTION:
Never damage strut assembly piston rod when installing components from strut assembly.
1.
Install strut attachment [SST: ST35652000 (
—
)] to strut and secure it in a vise.
CAUTION:
When installing the strut attachment to strut assembly, wrap a shop cloth around strut to protect
from damage.
2.
Install lower rubber seat.
: Vehicle front
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