Infiniti I30 (A33). Manual - part 586

Special Service Tools

NHST0004

The actual shapes of Kent-Moore tools may differ from those of special service tools illustrated here.

Tool number
(Kent-Moore No.)
Tool name

Description

KV48100700
(J26364)
Torque adapter

NT169

Measuring pinion rotating torque

KV48102500
(J33914)
Pressure gauge adapter

NT542

Measuring oil pressure

ST27180001
(J25726-A)
Steering wheel puller

NT544

Removing steering wheel

HT72520000
(J25730-B)
Ball joint remover

NT546

Removing ball joint
a: 33 mm (1.30 in)
b: 50 mm (1.97 in)
r: R11.5 mm (0.453 in)

KV48103500
(J26357 and J26357-
10)
Pressure gauge

NT547

Measuring oil pressure

KV48104400
(

—

)

Rack seal ring reformer

NT550

Reforming teflon ring
a: 50 mm (1.97 in) dia.
b: 36 mm (1.42 in) dia.
c: 100 mm (3.94 in)

GI

MA

EM

LC

EC

FE

AT

AX

SU

BR

RS

BT

HA

SC

EL

IDX

PREPARATION

Special Service Tools

ST-3

Tool number
(Kent-Moore No.)
Tool name

Description

ST3127S000
1 GG91030000
(See J25765-A)
Torque wrench
2 HT62940000
(

—

)

Socket adapter
3 HT62900000
(

—

)

Socket adapter

NT541

Measuring turning torque

(J-44372)
Spring gauge

LST024

Measuring steering wheel turning force

(J-44183-A)
Spring gauge

LST025

Measuring rack sliding force

Commercial Service Tool

NHST0005

Tool number

Description

Oil pump attachment

NT774

Disassembling and assembling oil pump
Unit: mm (in)

PREPARATION

Special Service Tools (Cont’d)

ST-4

NHST0006

NVH Troubleshooting Chart

NHST0006S01

Use the chart below to help you find the cause of the symptom. If necessary, repair or replace these parts.

Reference page

ST

-7

ST

-7

ST

-19

ST

-19

ST

-19

ST

-7

ST

-6

ST

-8

MA-13

—

ST

-10

ST

-6

ST

-14

ST

-13

ST

-15

AX-3

AX-3

SU-4

SU-4

SU-4

BR-7

Possible cause and
SUSPECTED PARTS

Fluid

level

Air

in

hydraulic

system

T

ie-rod

ball

joint

swinging

force

T

ie-rod

ball

joint

rotating

torque

T

ie-rod

ball

joint

end

play

Steering

gear

fluid

leakage

Steering

wheel

play

Steering

gear

rack

sliding

force

Drive

belt

looseness

Improper

steering

wheel

Improper

installation

or

looseness

or

tilt

lock

lever

Mounting

rubber

deterioration

Steering

column

deformation

or

damage

Improper

installation

or

looseness

of

steering

column

Steering

linkage

looseness

DRIVE

SHAFT

AXLE

SUSPENSION

TIRES

ROAD

WHEEL

BRAKES

Symptom

STEERING

Noise

×

×

×

×

×

×

×

×

×

×

×

×

×

×

×

Shake

×

×

×

×

×

×

×

×

×

Vibration

×

×

×

×

×

×

×

×

×

Shimmy

×

×

×

×

×

×

×

×

×

Judder

×

×

×

×

×

×

×

×

: Applicable

GI

MA

EM

LC

EC

FE

AT

AX

SU

BR

RS

BT

HA

SC

EL

IDX

NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING

NVH Troubleshooting Chart

ST-5

SST489B

Checking Steering Wheel Play

NHST0007

I

With wheels in a straight-ahead position, check steering wheel
play.

Steering wheel play:

35 mm (1.38 in) or less

I

If it is not within specification, check the following for loose or
worn components.

Steering gear assembly
Steering column
Front suspension and axle

SST490BA

Checking Neutral Position on Steering Wheel

NHST0008

PRE-CHECKING

NHST0008S01

I

Make sure that wheel alignment is correct.

Wheel alignment:

Refer to SU-15, SDS.

I

Verify that the steering gear is centered before removing the
steering wheel.

CHECKING

NHST0008S02

1.

Check that the steering wheel is in the neutral position when
driving straight ahead.

2.

If it is not in the neutral position, remove the steering wheel and
reinstall it correctly.

3.

If the neutral position is between two teeth, loosen tie-rod lock
nuts. Turn the tie-rods by the same amount in opposite direc-
tions on both left and right sides.

SMA127

Front Wheel Turning Angle

NHST0009

1.

Rotate steering wheel all the way right and left; measure turn-
ing angle.

Turning angle of full turns:

Refer to SU-15, SDS.

2.

If it is not within specification, check rack stroke.

Rack stroke “S”:

Refer to SDS, ST-30.

SST849C

Checking Gear Housing Movement

NHST0010

1.

Check the movement of steering gear housing during station-
ary steering on a dry paved surface.

I

Apply a force of 49 N (5 kg, 11 lb) to steering wheel to check
the gear housing movement.
Turn off ignition key while checking.

Movement of gear housing:

±

2 mm (

±

0.08 in) or less

2.

If movement exceeds the limit, replace mount insulator after
confirming proper installation of gear housing clamps.

ON-VEHICLE SERVICE

Checking Steering Wheel Play

ST-6