Infiniti QX56 (Z62). Manual - part 1256

ST-34

< REMOVAL AND INSTALLATION >

STEERING COLUMN

STEERING COLUMN

Exploded View

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Removal and Installation

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REMOVAL

CAUTION:

• Never give axial impact to steering column assembly during removal.
• Never move steering gear assembly when removing steering column assembly.
• Never rotate the steering shaft when removing steering column assembly.

1.

Set the vehicle to the straight-ahead position.

2.

Place the tilt to the highest level. Place the telescopic to the longest level.

3.

Remove driver air bag module. Refer to 

SR-11, "Removal and Installation"

.

4.

Remove steering wheel. Refer to 

ST-33, "Removal and Installation"

.

5.

Remove instrument lower panel LH. Refer to 

IP-14, "Removal and Installation"

.

6.

Remove the steering column cover. Refer to 

IP-14, "Removal and Installation"

.

7.

Remove spiral cable. Refer to 

SR-14, "Removal and Installation"

.

8.

Remove combination switch. Refer to 

BCS-82, "Removal and Installation"

.

9.

Disconnect each switch harness connectors installed to steering column assembly.

10. Remove the upper joint mounting bolt and separate the joint from upper joint.
11. Remove steering column assembly.

1.

Bracket

2.

Steering column mounting bracket

3.

Upper joint

4.

Telescopic motor

5.

Tilt motor

6.

Steering column assembly

Refer to 

GI-4, "Components"

 for symbols in the figure.

JPGIA0066GB

STEERING COLUMN

ST-35

< REMOVAL AND INSTALLATION >

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• If necessary, remove telescopic motor, tilt motor, and brackets.

12. Perform inspection after removal. Refer to 

ST-35, "Inspection"

.

INSTALLATION

Note the following, and install in the reverse order of removal.
• To install the slide plate (1), create clearance (L) in the steering col-

umn assembly mounting area (2) as follows.

• Tighten the mounting bolts and nuts in the order shown in the fig-

ure when installing the steering column assembly.

• Be careful of the following points when installing the steering col-

umn assembly.

CAUTION:

• Never give axial impact to steering column assembly during

installation.

• Never move steering gear assembly.

• Perform inspection after installation. Refer to 

ST-35, "Inspection"

.

Inspection

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INSPECTION AFTER REMOVAL

• Check each part of steering column assembly for damage or other malfunctions. Replace if necessary.
• Measure steering column assembly rotating torque using a preload gauge [SST: ST3127S000 (J-25765-A)].

Replace steering column assembly if outside the standard.

• Measure the length (L) as shown, if vehicle has been involved in a

minor collision. Replace steering column assembly if out side the
standard.

L

: 2.0 mm (0.079 in)

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Rotating torque

: Refer to 

ST-57, "Steering Column Operating Range"

.

L

: Refer to 

ST-57, "Steering Column Length"

.

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ST-36

< REMOVAL AND INSTALLATION >

STEERING COLUMN

• Install the bracket and steering column housing so that the clear-

ance (A) is within the specified range as described below. Replace
steering column assembly if out side the standard.

INSPECTION AFTER INSTALLATION

• Check each part of steering column assembly for damage or other malfunctions. Replace if necessary.
• Check the steering wheel play, neutral position steering wheel, steering wheel turning force, and front wheel

turning angle. Refer to 

ST-32, "Inspection"

.

• Check tilt and telescopic mechanism operating range tilt operating

range (T), telescopic operating range (L) as shown in the figure.

• Adjust neutral position of steering angle sensor. Refer to 

BRC-64,

"Work Procedure"

.

A

: Refer to 

ST-57, "Steering Column Mounting Di-

mensions"

.

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T

: Refer to 

ST-57, "Steering Column Operating 

Range"

.

L

: Refer to 

ST-57, "Steering Column Operating 

Range"

.

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STEERING SHAFT

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STEERING SHAFT

Exploded View

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Removal and Installation

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REMOVAL

1.

Set vehicle to the straight-ahead position.

2.

Fix the steering wheel.

3.

Remove steering shaft fixing bolt and nut (lower joint side).

CAUTION:

The steering shaft bellows are easily bent. Never press the bellows too much with a tool.

4.

Remove lower joint fixing bolt (steering gear side).

5.

Remove lower joint from steering shaft and steering gear assembly.

CAUTION:

• When removing lower joint, never insert a tool, such as a screwdriver, into the yoke groove to

pull out the lower joint. In case of the violation of the above, replace lower joint with a new one.

• Spiral cable may be cut if steering wheel turns while separating steering column assembly and

steering gear assembly. Be sure to secure steering wheel using string to avoid turning.

6.

Turn carpet and remove the hole cover mounting nuts.

7.

Remove the upper joint fixing bolt and nut (steering shaft side).

1.

Lower joint

2.

Steering shaft

3.

Hole cover*

4.

Clamp*

5.

Hole cover seal

6.

Collar

7.

Upper joint

*: Replace “3” and “4” as a set.

Refer to 

GI-4, "Components"

 for symbols in the figure.

JPGIA0067GB