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FSU-4
< PREPARATION >
PREPARATION
Spring compressorRemoving and installing coil spring
Power tool Loosening nuts, screws and bolts
S-NT717
PIIB1407E
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NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTINGFSU-5
< SYMPTOM DIAGNOSIS >
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SYMPTOM DIAGNOSIS
NOISE, VIBRATION AND HARSHN ESS (NVH) TROUBLESHOOTING
NVH Troubleshooting ChartINFOID:0000000012430299
Use chart below to find the cause of the symptom . If necessary, repair or replace these parts.
×: ApplicableReference
FSU-6
, FSU-10
, FSU-13
,
FSU-15
FSU-19
—
—
FSU-19
FSU-6
, FSU-10
, FSU-13
, FSU-15
FSU-7FSU-13FA X - 6WT-45WT-44FA X - 8BR-7ST-7
Possible cause and SUSPECTED PARTS
Improper installation, looseness
Shock absorber deformation, damage or deflection
Bushing or mount deterioration
Parts interference
Spring fatigue
Suspension looseness
Incorrect wheel alignment
Stabilizer bar fatigue
FRONT AXLE
TIRE
ROAD WHEEL
DRIVE SHAFT
BRAKE
STEERING
Symptom FRONT SUSPENSION Noise
×××××× ××××××
Shake ×××× × ××××××
Vibration ××××× ×× × ×
Shimmy ×××× × ××× ××
Shudder ××× ××× ××
Poor quality ride or
handling ××××× ×××××
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FSU-6
< PERIODIC MAINTENANCE >
FRONT SUSPENSION ASSEMBLY
PERIODIC MAINTENANCE
FRONT SUSPENSION ASSEMBLY
InspectionINFOID:0000000012430300
COMPONENT PART
Check the mount conditions (looseness, backlash) of each component. Verify the component conditions
(wear, damage) are normal.
Ball Joint Axial End Play
1. Set the front wheels in a straight-ahead position.
2. Hold the axle side of the tran sverse link, and check the axial end
play by move the transverse link up and down.
CAUTION:
• Do not depress the brake pedal when measuring.
• Do not perform this inspect ion with the tires on the
ground.
• Be careful not to damage ball joint boot. Do not damage the components by applying excessive force.
STRUT ASSEMBLY
Check for oil leaks or damage. Replace the parts if necessary.Axial end play : Refer to
FSU-20, "
Ball Joint".
JSEIA0444ZZ
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WHEEL ALIGNMENTFSU-7
< PERIODIC MAINTENANCE >
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WHEEL ALIGNMENT
InspectionINFOID:0000000012430301
PRELIMINARY INSPECTION
WARNING:
Always adjust the wheel alignment with the vehicle on a flat surface.
NOTE:
If the wheel alignment is out of s pecification, inspect and replace any damaged or worn rear suspension parts
before making any adjustments.
1. Check and adjust the wheel alignment with the vehicle under unladen conditions. “Unladen conditions”
means that the fuel, engine coolant, and lubricants are full; the spare tire, jack, hand tools and mats are in
designated positions.
2. Check the tires for incorrect air pressure and excessive wear.
3. Check the wheels for run out and damage. Refer to WT-54, "
Wheel".
4. Check the wheel bearing axial end play. Refer to FAX-27, "
Wheel Bearing".
5. Check the shock absorbers for leaks or damage.
6. Check each mount point of the suspension co mponents for any excessive looseness or damage.
7. Check each link, arm, and the suspension member for any damage.
8. Check the vehicle height. Refer to FSU-21, "
Wheelarch Height (Unladen*)".
GENERAL INFORMATION AND RECOMMENDATIONS
1. A Four-Wheel Thrust Alignment should be performed.
• This type of alignment is recomm ended 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 machine itself should be capabl e of accepting any NISSAN/INFINITI vehicle.
• The alignment machine should be checked to ensure that it is level.
2. Make sure the alignment machine is properly calibrated. • Your alignment machine should be regularly calibrated in order to give correct information.
• Check with the manufacturer of your specific a lignment machine for their recommended Service/Cali-
bration Schedule.
ALIGNMENT PROCESS
IMPORTANT: Use only the alignment specifications listed in this Service Manual. Refer to FSU-20, "Wheel
Alignment (Unladen*1)".
• When displaying the alignment settings, many alignment machines use “indicators”: (Green/red, plus or
minus, Go/No Go). Do NOT use these indicators.
- The alignment specifications programmed into your alignment machine that operate these indicators may
not be correct.
- This may result in an ERROR.
• Most camera-type alignment machines are equipped with "Rolling Compensation" method and optional
"Jacking Compensation" method to "compensate" the alignment targets or head units.
"Rolling Compensation" is the preferred method.
- If using the "Rolling Compensation" method, after inst alling 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 inst alling the alignment targets or head units, raise the
vehicle and rotate the wheels 1/2 turn in either direction.
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.
CAMBER, CASTER AND KINGPIN INCLINATION ANGLES INSPECTION
• Camber, caster, kingpin inclination angles cannot be adjusted.
• Before inspection, set the front wheels onto a turning radius gauge. Set the rear wheels onto a pad that has
the same height so the vehicle will remain horizontal.
TOTAL TOE-IN INSPECTION
Measure the total toe-in using the following procedure.
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FSU-8
< PERIODIC MAINTENANCE >
WHEEL ALIGNMENT
WARNING:
• Always perform the following procedure on a flat surface.
• Make sure that no person is in fr ont of vehicle before pushing it.
1. Bounce the front of vehicle up and down to stabilize the vehicle height (posture).
2. Push on the rear wheel to move the vehicle straight ahead about 5 m (16 ft).
3. Put a mark on base line of the tread (rear side) of each tire at the same height of hub center. These are measuring points.
4. Measure the distance (A) from the rear side.
5. Push on the rear wheel to move the vehicle slowly ahead and to rotate the wheels 180 degrees (1/2 turn).
CAUTION:
If the wheels have rotated more than 180 degrees (1/2 turn),
try the above procedure again from the beginning. Do not
push vehicle backward.
6. Measure the distance (B) from the front side.
7. Use the formula below to calculate total toe-in.
• If the total toe-in is outside the specification, adjust the total toe-in. Refer to FSU-8, "
Adjustment".
AdjustmentINFOID:0000000012430302
TOTAL TOE-IN
Loosen the steering outer socket. Adjust the length using the steering inner socket.
CAUTION:
• Always evenly adjust toe-in alternately and adjust the difference be tween the left and right to the
standard.
• Always hold the steering inner socket wh en tightening the steering outer socket.
AFA050
SFA234AC
Total toe-in: A - B
Total toe-in specification : Refer to FSU-20, "
Wheel Alignment (Unladen*1)".
Toe-in : Refer to FSU-20, "
Wheel Alignment (Un-
laden*1)".
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FRONT COIL SPRING AND STRUTFSU-9
< REMOVAL AND INSTALLATION >
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REMOVAL AND INSTALLATION
FRONT COIL SPRING AND STRUT
Exploded ViewINFOID:0000000012430303
Removal and InstallationINFOID:0000000012430304
REMOVAL
1. Remove the wheel and tire using power tool. Refer to WT-48, "Removal and Installation".
2. Remove brake hose lock plate from strut.
3. Disconnect stabilizer connecting rod from strut. Refer to FSU-12, "
Exploded View".
4. Remove strut bolts and nuts from steering knuckle.
5. Remove stopper insulator lock nut and stopper insulator.
6. Remove strut.
INSTALLATION
Installation is in the reverse order of removal.
• Secure the head of strut piston rod to keep it from rotating, then tighten the stopper insulator lock nut to the specified torque.
CAUTION:
• Do not reuse stopper insulator lock nut.
• Do not reuse the nuts that secure the strut to the steering knuckle.
• Perform inspection after installation. Refer to FSU-19, "
Inspection".
• After replacing the strut, always follow the dis posal procedure to discard the strut. Refer to FSU-19, "
Dis-
posal".
1. Strut2. Coil spring3. Bound bumper
4. Spring upper seat 5. Strut mount bearing6. Piston rod lock nut
7. Strut mount insulator 8. Stopper insulator9. Stopper insulator lock nut
AWEIA0418ZZ
WEIA0179E
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FSU-10
< REMOVAL AND INSTALLATION >
TRANSVERSE LINK
TRANSVERSE LINK
Exploded ViewINFOID:0000000012430305
Removal and InstallationINFOID:0000000012430306
REMOVAL
1. Remove the wheel and tire using power tool. Refer to WT-48, "Removal and Installation".
2. Separate transverse link from steering knuckle. Refer to FA X - 9 , "
Exploded View"
3. Remove the bolts and nut, then remove the transverse link from front suspension member.
4. Inspect the components. Refer to FSU-10, "
Inspection"
INSTALLATION
Installation is in the reverse order of removal.
CAUTION:
Do not reuse the transverse link nuts.
• Perform the final tightening of the nuts and bolts under unladen conditions with tires on level ground.
• Complete the inspection. Refer to FSU-10, "
Inspection".
InspectionINFOID:0000000012430307
INSPECTION AFTER REMOVAL
Check the following items and replace the components as necessary.
Transverse link
• Check the transverse link and bushing for deformation, cracks or damage.
• Check the ball joint boot for cracks or other damage, and also for grease leakage.
Swing Torque
1. Move the ball stud at least ten times by hand to check for smooth movement with no binding.
1. Front suspension member2. Transverse link
AWEIA0210GB
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TRANSVERSE LINKFSU-11
< REMOVAL AND INSTALLATION >
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2. Hook the Tool (A) on the ball joint (B). Confirm the measurement value is within specifications when the ball stud begins moving.
If swing torque or rotating torque exceeds the specified range,
replace transverse link.
Axial End Play
1. Move the ball stud at least ten times by hand to check for smooth movement with no binding.
2. Move the tip of the ball joint in the axial direction to check for looseness.
If the axial end play exceeds the specified range, replace transverse link.
INSPECTION AFTER INSTALLATION
1. Check wheel alignment. Refer to FSU-20, "Wheel Alignment (Unladen*1)".
2. Perform the steering angle sensor neutral position adjustment. Refer to BRC-55, "
ADJUSTMENT OF
STEERING ANGLE SENSOR NEUTRAL POSITION : Description".
Tool number (A) : — (J-44372)
Swing torque : Refer to
FSU-20, "
Ball Joint".
Rotating torque : Refer to FSU-20, "
Ball Joint".
JPEIA0138ZZ
Axial end play : Refer to FSU-20, "Ball Joint".
Revision: August 2015 2016 Versa Note
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