Nissan March K13. Manual - part 630

ST-16

< REMOVAL AND INSTALLATION >

STEERING GEAR AND LINKAGE

2.

Remove boot clamps, and then remove boot from inner socket.

CAUTION:

Never damage inner socket and gear housing assembly when removing boot. Inner socket and
gear housing assembly must be replaced if inner socket and gear housing assembly are damaged
because it may cause foreign material interfusion.

3.

Remove inner socket from gear housing assembly.

4.

Measure adjusting screw (1) height “H”, and loosen adjusting
screw.

CAUTION:

• Never loosen adjusting screw 2 turns or more.
• Replace steering gear assembly if adjusting screw is

loosened 2 turns or more and it is removed.

5.

Remove lock nut (2), adjusting screw, spring (4) and retainer (3)
from gear housing assembly (5).

6.

Remove guide from pinion assembly.

7.

Remove joint cover from gear housing assembly.

CAUTION:

Never damage the locating protrusion of the joint cover.

8.

Remove dust cover from pinion assembly.

9.

Remove snap ring, and then remove pinion assembly from gear housing assembly.

10. Pull pinion assembly from gear housing assembly.

CAUTION:

Never damage pinion assembly and gear housing assembly inner wall.

11. Pull rack assembly from gear housing assembly.

CAUTION:

Never damage rack assembly and gear housing assembly inner wall.

ASSEMBLY

1.

Apply recommended grease to teeth part and bush part of rack assembly, if necessary.
Use Genuine Lithium Soap, Wanlouver MO No.2 (manufactured by kyoudouyushi) or equivalent. 

2.

Apply recommended grease to back of rack assembly, if necessary.
Use Genuine Lithium Soap, Multemp AC-P (manufactured by kyoudouyushi) or equivalent. 

3.

Install rack assembly to gear housing assembly.

CAUTION:

Never damage rack assembly and gear housing assembly inner wall.

4.

Apply recommended grease to pinion assembly needle bearing, if necessary.
Use Genuine Lithium Soap, Multemp AC-P (manufactured by kyoudouyushi) or equivalent. 

5.

Install pinion assembly to gear housing assembly.

6.

Install snap ring to pinion assembly.

CAUTION:

• Never reuse snap ring.
• When installing snap ring, check that the chamfered surface faces upward.

7.

Install inner socket to rack assembly.

8.

Apply recommended grease to dust cover, and then install dust cover to pinion assembly.
Use Genuine Lithium Soap, Idemitsu Autorex A or equivalent. 

9.

Decide on the neutral position for the rack stroke (L).

SGIA1300E

L

: Refer to 

ST-20, "Rack 

Stroke"

.

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STEERING GEAR AND LINKAGE

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10. Apply recommended grease to around retainer (3), then install

retainer, spring (4) and adjusting screw (1) to gear housing
assembly (5).
Use Genuine Lithium Soap, Multemp AC-P (manufactured
by kyoudouyushi) or equivalent. 

11. Apply recommended thread locking sealant to the thread (2

turns thread), and then screw in the adjusting screw until it
reaches height “H” from gear housing assembly measured
before disassembling.
Use Genuine Thread Locking Sealant, Three Bond 1141 or
equivalent. 

12. Tighten lock nut to (2) the specified torque securing it to prevent

adjusting screw from freewheeling condition.

13. Move rack assembly 10 strokes throughout the full stroke so that the parts can fit with each other.

14. Using preload gauge (A) (SST: ST3127S000) and preload

adapter (B) (SST: KV48103400), measure rotating torque of pin-
ion assembly. If the measurement is outside of the specified
range, readjust pinion rotating torque. If the measurement is out-
side of the specified range for readjust, replace steering gear
assembly.

15. Set dial gauge to the back of rack assembly on the pinion

assembly side around the center of stroke. Measure displace-
ment of rack under torsional torque of 

±

 7.8 N·m (0.80 kg-m, 69

in-lb), and then check if it is within the standard value. If the
measurement is outside the standard value, adjust it again. After
the readjustment, if measurement is still outside the standard
value, replace steering gear assembly.

16. Apply recommended grease to inner socket, and then install

boot to gear housing assembly and inner socket.
Use Genuine Lithium Soap, Idemitsu Autorex A or equivalent. 

CAUTION:

Never reuse boot.

17. Install boot clamp (large diameter) (1) to boot using boot band

crimping tool (SST: KV40107300).

CAUTION:

• Never reuse boot clamp (large diameter).
• Install boot clamp (large diameter) (1) securely to boot

groove, and crimp it so as to have clearance of 3 mm (0.12
in) or less as shown.

18. Install boot clamp (small diameter) to boot.

CAUTION:

Never reuse boot clamp (small diameter).

SGIA1300E

Pinion rotating torque

Around neutral position 
(within

±

100

°

) Average A

0.6 - 1.2 N·m (0.07 - 0.12 kg-
m, 6 - 10 in-lb)

Maximum variation C

1.6 N·m (0.16 kg-m, 14 in-
lb)

MGIA0017E

Standard value

: 0.1 mm (0.004 in) or less

SGIA1301E

SGIA1302E

ST-18

< REMOVAL AND INSTALLATION >

STEERING GEAR AND LINKAGE

19. Install joint cover (1) to gear housing assembly (2).

CAUTION:

Install joint cover so that the protrusion for locating is
securely set to gear housing groove.

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

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

CAUTION:

• When tightening lock nut, be sure to fix outer socket with

a wrench or equivalent to prevent ball joint from getting
contact with knuckle. 

• Adjust toe-in. Refer to 

FSU-7, "Inspection"

. Length

achieved after toe-in adjustment is not necessarily the
above value.

Inspection

INFOID:0000000006038892

INSPECTION AFTER INSTALLATION

• 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-8, "Inspection"

.

INSPECTION AFTER DISASSEMBLY

Boot

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

Gear Housing Assembly

• Check gear housing assembly for damage and scratches (inner wall). Replace if there are any abnormal

conditions.

Outer Socket and Inner Socket

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

BALL JOINT SWINGING TORQUE

• 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.

SGIA1303E

L

: Refer to 

ST-21, "Inner 

Socket Length"

.

SGIA0167E

(Measuring point of outer socket: Ball stud upper 
side)

Outer socket

: Refer to 

ST-20, "Socket 

Swing Force and Rotating 
Torque"

.

SGIA0896E

STEERING GEAR AND LINKAGE

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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.

(Measuring point of inner socket: “*” mark shown in 
the figure)

Inner socket

: Refer to 

ST-20, "Socket 

Swing Force and Rotating 
Torque"

.

Outer socket

: Refer to 

ST-21, "Socket Axial 

End Play"

.

Inner socket

: Refer to 

ST-21, "Socket Axial 

End Play"

.

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