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Infiniti QX56 (Z62). Manual - part 1259

ST-46

< REMOVAL AND INSTALLATION >

STEERING GEAR AND LINKAGE

10. Install large end of boot to gear housing assembly.

CAUTION:

Never reuse boot.

11. Install small end of boot to inner socket boot mounting groove.

12. Install boot clamp to boot small end.

13. Install boot clamp to the large side using the boot band crimping

tool (A) [SST: KV40107300 (

—

)].

CAUTION:

Never reuse boot clamp.

14. Install cylinder tubes to gear housing assembly.

15. Adjust inner socket to standard length (L), and then tighten lock

nut to the specified torque. Check length again after tightening
lock nut.

CAUTION:

Adjust toe-in after this procedure. The length achieved after
toe-in adjustment is not necessary the above value.

Inspection

INFOID:0000000006225610

INSPECTION AFTER DISASSEMBLY

Boot

• Check boot for cracks, and replace it if a malfunction is detected.

Rack Assembly

• Check rack for damage or wear, and replace it if a malfunction is detected.

Gear-Sub Assembly

• Check gear-sub assembly for damage or wear, and replace it if a malfunction is detected.
• Rotate gear-sub assembly and check for torque variation or rattle, and replace it if a malfunction is detected.

Gear Housing Assembly

• Check gear housing assembly for damage and scratches (inner wall), and replace it if a malfunction is

detected.

Outer Socket and Inner Socket

• Check the following items and replace the component if it does not meet the standard.

BALL JOINT SWINGING TORQUE

SGIA1325E

PDIA1187J

: Refer to

ST-58, "Inner Socket Length"

SGIA0167E

STEERING GEAR AND LINKAGE

ST-47

< REMOVAL AND INSTALLATION >

• Hook a spring balance at the point shown in the figure and pull the

spring balance. Make sure that the spring balance reads the spec-
ified value when ball stud and inner socket start to move. Replace
outer socket and inner socket if they are outside the standard.

BALL JOINT ROTATING TORQUE

• Make sure that the reading is within the following specified range

using preload gauge (A) [SST: ST3127S000 (J-25765-A)]. Replace
outer socket if the reading is outside the specified value.

BALL JOINT AXIAL END PLAY

• Apply an axial load of 490 N (50 kg, 110 lb) to ball stud. Using a

dial gauge, measure amount of stud movement, and then make
sure that the value is within the following specified range. Replace
outer socket (1) and inner socket (2) if the measured value is out-
side the standard.

INSPECTION AFTER INSTALLATION

• After installation, bleed air from the steering hydraulic system. Refer to

ST-30, "Inspection"

• Check if steering wheel turns smoothly when it is turned several times fully to the end of the left and right.
• Check the steering wheel play, neutral position steering wheel, steering wheel turning force, and front wheel

turning angle. Refer to

ST-32, "Inspection"

• Check the fluid level, fluid leakage, and air bleeding hydraulic system. Refer to

ST-30, "Inspection"

• Perform final tightening of nuts and bolts on each part under unladen conditions with tires on level ground

when removing steering gear assembly. Check wheel alignment. Refer to

FSU-7, "Inspection"

• Adjust neutral position of steering angle sensor after checking wheel alignment. Refer to

BRC-64, "Work

Procedure"

Outer socket

(Measuring point: Stud cotter pin mounting hole)