Infiniti M35/M45 Y50. Manual — part 1000

STEERING COLUMN

PS-15

C

D

E

F

H

I

J

K

L

M

A

B

PS

–

Align rear cover cap projection (A) with the marking position (B)
of gear housing assembly.

–

Install slit part of lower joint (C) aligning with the projection (A) of
rear cover cap (1). Make sure that the slit part of lower joint (C)
is aligned with projection (A) of rear cover cap (1) and the mark-
ing position (B) of gear housing assembly.

●

Adjust neutral position of steering angle sensor. Refer to

BRC-6,

"Adjustment of Steering Angle Sensor Neutral Position"

.

REMOVAL OF STEERING COLUMN ASSEMBLY

1.

Set vehicle to the straight-ahead position.

2.

Remove driver air bag module. Refer to

SRS-42, "DRIVER AIR BAG MODULE"

.

3.

Remove steering wheel. Refer to

PS-12, "Removal and Installation"

.

4.

Remove steering column cover. Refer to

IP-10, "INSTRUMENT PANEL ASSEMBLY"

.

5.

Remove combination switch & spiral cable. Refer to

SRS-44, "SPIRAL CABLE"

.

6.

Remove instrument driver lower panel. Refer to

IP-10, "INSTRUMENT PANEL ASSEMBLY"

.

7.

Remove fixing bolts of knee protector (1), then remove knee
protector (1) from vehicle.

8.

Remove low tire pressure warning control unit. Refer to

WT-40,

"Low Tire Pressure Warning Control Unit"

.

9.

Disconnect each switch connectors installed to steering column
assembly, and then disconnect harness from steering column
assembly.

10. Remove fixing bolt of upper joint (1) (steering column assembly

side).

11. Remove steering column assembly mounting bolts and nut, then

remove steering column assembly from vehicle.

SGIA1175E

SGIA1176E

SGIA1182E

PS-16

STEERING COLUMN

INSPECTION AFTER REMOVAL

●

Check each part of steering column assembly for damage or other malfunctions. Replace if there are.

●

Measure the length L as shown in the figure if vehicle has been
involved in a minor collision. Replace steering column assembly
if outside the standard.

●

Measure steering column assembly rotating torque using preload gauge [SST: ST3127S000]. Replace
steering column assembly if outside the standard.

INSTALLATION OF STEERING COLUMN ASSEMBLY

●

Installation is the reverse order of removal. For tightening torque, refer to

PS-13, "COMPONENTS"

.

●

When installing upper joint, the angle which upper joint yoke (1)
forms with shaft center groove (A) should be at 90

°

.

●

Adjust neutral position of steering angle sensor. Refer to

BRC-6,

"Adjustment of Steering Angle Sensor Neutral Position"

.

INSPECTION AFTER INSTALLATION

Make sure that steering wheel operates smoothly by turning several times from full left stop to full right stop.

SGIA1177E

Steering column length L

Telescopic maximum

551 – 555 mm (21.69 – 21.85 in)

Telescopic minimum

591 – 595 mm (23.27 – 23.43 in)

Rotating torque

: 0 – 0.2 N·m (0 – 0.02 kg-m, 0 – 1 in-lb)

SGIA1290E

STEERING COLUMN

PS-17

C

D

E

F

H

I

J

K

L

M

A

B

PS

Disassembly and Assembly

NGS000DB

COMPONENTS

DISASSEMBLY

1.

Remove fixing screws of telescopic sensor, and then remove telescopic sensor from steering column.

2.

Remove fixing screw of bracket, and then remove bracket from telescopic motor.

3.

Remove fixing bolt of telescopic motor, and then remove telescopic motor from steering column.

4.

Remove fixing screws of tilt sensor, and then remove tilt sensor from steering column.

5.

Remove fixing bolt of tilt motor, and then remove tilt motor from steering column.

6.

Remove fixing screws of brackets, and then remove brackets from steering column.

INSPECTION AFTER DISASSEMBLY

Check component parts for damage or other malfunctions. Replace if there are.

ASSEMBLY

Assembly is the reverse order of disassembly. For tightening torque, refer to

PS-17, "COMPONENTS"

.

1.

Bracket

2.

Bracket

3.

Steering column

4.

Telescopic motor

5.

Bracket

6.

Telescopic sensor

7.

Tilt sensor

8.

Tilt motor

9.

Bracket

10.

Bracket

Refer to

GI-11, "Components"

, for the symbols in the figure.

SGIA1634E

PS-18

STEERING COLUMN

INSPECTION AFTER ASSEMBLY

Check tilt and telescopic mechanism operating range L

1

, L

2

as

shown in the figure.

Tilt operating range L

1

: 37.5 mm (1.476 in)

Telescopic operating range L

2

: 40 mm (1.57 in)

SGIA1179E