Infiniti M45 (Y34). Manual - part 705

STEERING COLUMN

PS-11

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13. Remove mounting bolts, remove hole cover. 

INSPECTION AFTER REMOVAL

Check if there is something wrong with jacket tube and collar. Then if they are damaged, replace with new one
respectively. 

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If vehicle is involved in a light collision, check dimension “L” as
shown in the figure. If it is not within specification, replace steer-
ing column as an assembly. 

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Check the turning torque of steering column with preload gauge.
If it is out of the specified value, repair it or replace with new one.

INSTALLATION 

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Install steering column in the reverse order of removal.

NOTE:
When yoke of upper joint and collar are connected with special bolt, use the new nut because it is non-
reusable part.

INSPECTION AFTER INSTALLATION

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After installing steering column in vehicle, check tilt mechanism
operation.

SGIA0394E

Steering column length “L”: 613 - 615 mm

 613 - 615 mm (24.13 - 24.21 in)

Turning torque:

0 - 0.2 N·m (0 - 0.021 kg-m, 0 - 1 in-lb)

SGIA0395E

SGIA0456E

PS-12

STEERING COLUMN

Disassembly and Assembly

AGS0008F

DISASSEMBLY

1.

Pull out steering column upper shaft from jacket tube assembly.

2.

Remove tilt motor and sensor from jacket tube assembly.

3.

Remove telescopic motor and sensor from jacket tube assembly.

4.

Remove snap ring and O-ring from steering column upper shaft, then remove upper jacket tube.

5.

Remove the mounting nuts, and remove steering column upper shaft from jacket tube assembly.

INSPECTION AFTER REMOVAL

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Check if there is something wrong with steering column shaft and bearing. And then if they are damaged,
replace with new one. 

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Check if there is something wrong with the component of tilt device. And then if it is damaged, replace
with new one respectively.

ASSEMBLY

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Install steering column in the reverse order of removal.

1.

Upper jacket tube

2.

Tilt motor 

3.

Tilt sensor

4.

Steering column upper shaft

5.

Tilt lever

6.

Spring

7.

Telescopic motor

8.

Telescopic sensor

9.

Snap ring

10.

Bracket

11.

Jacket tube 

12. O-ring

13.

Mounting nut

SGIA0481E

POWER STEERING GEAR AND LINKAGE

PS-13

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POWER STEERING GEAR AND LINKAGE

PFP:49001

Removal and Installation

AGS0008H

NOTE:
Spiral cable may snap due to steering operation if steering column is separated from steering gear. Therefore
fix steering wheel with a string to avoid turns.

REMOVAL

1.

Remove engine undercover.

2.

Remove tires with power tool.

3.

When steering wheel is set to straight ahead direction, confirm if
slit part of lower joints consists with projection on rear cover cap
and steering gear.

4.

Remove cotter pin, loosen nut for outer socket.

5.

Using ball joint remover (special service tool), remove outer
socket from steering knuckle. Be careful not to damage boot of
ball joint.

NOTE:
To prevent damage to threads of outer socket and ball joint
remover (special service tool) from coming off, tighten tempo-
rarily mounting nut.

6.

Remove oil pipings (high pressure side: inlet connector/low
pressure side: return hose) from steering gear, then drain fluid
from pipings.    

SGIA0665E

1.

Rack mounting bracket

2.

Rack mounting insulator

3.

Steering gear assembly 

4.

EPS solenoid valve

5.

Cotter pin

SGIA0392E

SGIA0397E

PS-14

POWER STEERING GEAR AND LINKAGE

7.

Loosen bolt on upper yoke of lower joint and remove bolt on
lower yoke of lower joint, then slide lower joint up to lower shaft.
Separate steering gear from lower shaft.

8.

Tack bolt on upper yoke of lower joint, fix lower joint to shaft.
This step is easily with connecting steering gear assembly for
lower joint in installation.

9.

Remove fixing bolt and remove steering gear assembly, rack
mounting bracket and insulator from vehicle.

SGIA0401E

SGIA0383E