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Infiniti FX35, FX50 (S51). Manual - part 1091

FRONT COIL SPRING AND SHOCK ABSORBER

FSU-11

< REMOVAL AND INSTALLATION >

[2WD]

FSU

Install the shock absorber mounting bracket and rubber seat.

CAUTION:

Align the paint mark (A) to the stud bolt (1) position when
assembling.

Apply soapy water to bound bumper.

CAUTION:

Never use machine oil.

Insert bound bumper into shock absorber mounting bracket, and then install it to shock absorber together
with rubber seat.

• Install the shock absorber mounting bracket as shown in the figure.

• Check that the lower end of the coil spring (C) is positioned at the spring lower seat of the shock

absorber.

Secure piston rod tip so that piston rod does not turn, then tighten piston rod lock nut with specified
torque.

Gradually release a spring compressor, and remove coil spring.

CAUTION:

Loosen while making sure coil spring attachment position does not move.

Remove the shock absorber attachment from shock absorber.

Install the mounting seal to shock absorber mounting bracket.

JPEIA0009ZZ

Shock absorber mounting bracket

Right side

Left side

Coil spring lower end position

: Vehicle front

Angle (a)

: 30.0

JPEIA0105ZZ

FSU-12

< REMOVAL AND INSTALLATION >

[2WD]

FRONT COIL SPRING AND SHOCK ABSORBER

Inspection

INFOID:0000000005246419

INSPECTION AFTER INSTALLATION

Check wheel sensor harness for proper connection. Refer to

BRC-131, "FRONT WHEEL SENSOR :

Exploded View"

Check wheel alignment. Refer to

FSU-8, "Inspection"

Adjust neutral position of steering angle sensor. Refer to

BRC-9, "ADJUSTMENT OF STEERING ANGLE

SENSOR NEUTRAL POSITION : Special Repair Requirement"

INSPECTION AFTER DISASSEMBLY

Shock Absorber

Check the following items, and replace the part if necessary.
• Shock absorber for deformation, cracks or damage.
• Piston rod for damage, uneven wear or distortion.
• Oil leakage.

Shock Absorber Mounting Bracket and Rubber Parts Inspection

Check shock absorber mounting bracket for cracks and rubber parts for wear. Replace it if necessary.

Coil Spring

Check coil spring for cracks, wear or damage. Replace it if necessary.

Disposal

INFOID:0000000005246420

Set shock absorber horizontally with the piston rod fully extended.

Drill 2 – 3 mm (0.08 – 0.12 in) hole at the position (

) from top

as 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.

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.

: 20 – 30 mm (0.79 – 1.18 in)

NNEIB0021ZZ

TRANSVERSE LINK

FSU-13

< REMOVAL AND INSTALLATION >

[2WD]

FSU

TRANSVERSE LINK

Exploded View

INFOID:0000000005246421

Removal and Installation

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REMOVAL

Remove tires with power tool.

Remove shock absorber. Refer to

FSU-9, "Exploded View"

Temporarily install upper link and steering knuckle. Refer to

FAX-6, "Exploded View"

Remove stabilizer connecting rod. Refer to

FSU-17, "Exploded View"

Remove front cross bar.

Remove transverse link from steering knuckle.

Set suitable jack under transverse link.

Remove transverse link.
NOTE:
If removing transverse link mounting bolt (front side) is difficult, rotating steering wheel and remove steer-
ing outer socket. Refer to

ST-26, "Exploded View"

INSTALLATION

Note the following, and install in the reverse order of removal.
• Never tap on the ball joint cap of the stabilizer connecting rod with a hammer or a similar item when inserting

the stabilizer connecting rod into the transverse link.

• Perform final tightening of bolts and nuts at the front suspension member installation and shock absorber

lower side (rubber bushing), under unladen conditions with tires on level ground.

Inspection

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INSPECTION AFTER REMOVAL

Appearance

Check the following items, and replace the part if necessary.
• Transverse link and bushing for deformation, cracks or damage.
• Ball joint boot for cracks or other damage, and also for grease leakage.

Stopper arm bushing

Upper link

Front suspension member

Transverse link

Front cross bar

Refer to

GI-4, "Components"

for symbols in the figure.

JPEIA0110GB

FSU-14

< REMOVAL AND INSTALLATION >

[2WD]

TRANSVERSE LINK

Ball Joint Inspection

Manually move ball stud to confirm it moves smoothly with no binding.

Swing Torque Inspection

NOTE:
Before measurement, move ball stud at least ten times by hand to check for smooth movement.
• Hook a spring balance (A) at cotter pin mounting hole. Confirm

spring balance measurement value is within specifications when
ball stud begins moving.

- If swing torque exceeds standard range, replace transverse link

assembly.

Rotating Torque Inspection

• Attach mounting nut to ball stud. Make sure that rotating torque is

within specifications with a preload gauge (A) [SST: ST3127S000
(J-25765-A)].

- If rotating torque exceeds standard range, replace transverse link

assembly.

Axial End Play Inspection

• Move tip of ball stud in axial direction to check for looseness.

- If axial end play exceeds standard range, replace transverse link assembly.

INSPECTION AFTER INSTALLATION