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Nissan Qashqai (2007-2010). Manual - part 749

STEERING GEAR AND LINKAGE

ST-15

< ON-VEHICLE REPAIR >

Removal and Installation

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REMOVAL

Set vehicle to the straight-ahead position.

Remove bolt of intermediate shaft (lower side), and then remove intermediate shaft from steering gear
pinion shaft.

Remove tires with a power tool.

Remove steering outer socket from steering knuckle so as not to damage ball joint boot using suitable ball
joint remover.

CAUTION:

Temporarily tighten the nut to prevent damage to threads and to prevent the ball joint remover
from suddenly coming off.

Remove front suspension member.

Remove steering gear assembly.

INSTALLATION

Note the following, and install in the reverse order of removal.

CAUTION:

Spiral cable may be cut if steering wheel turns while separating steering column assembly and steer-
ing gear assembly. Be sure to secure steering wheel using string to avoid turning.
• Perform final tightening of nuts and bolts on each part under unladen conditions with tires on level ground

when removing steering gear assembly. Check wheel alignment. Refer to

FSU-7, "Wheel Alignment Inspec-

tion"

• Adjust neutral position of steering angle sensor after checking wheel alignment. Refer to

BRC-78, "ADJUST-

MENT OF STEERING ANGLE SENSOR NEUTRAL POSITION : Special Repair Requirement"

. (ESP mod-

els)

Disassembly and Assembly

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DISASSEMBLY

Loosen outer socket lock nut, and remove outer socket.

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.

Remove inner socket from gear housing assembly.

ASSEMBLY

Install inner socket to gear housing assembly.

Apply recommended grease to inner socket.

Outer socket

Outer socket lock nut

Inner socket

Boot clamp (small diamater)

Boot

Boot clamp (large diameter)

Gear housing assembly

: Apply Molywhite LSG or equivalent.

Refer to

GI-4, "Components"

for symbols not described on the above.

ST-16

< ON-VEHICLE REPAIR >

STEERING GEAR AND LINKAGE

Decide on the neutral position for the rack.

Install boot to gear housing assembly and inner socket.

Install boot clamp (large diameter) (1) to boot using boot band
crimping tool (A) (SST: KV40107300).

CAUTION:

Install large diameter side boot clamp (1) securely to boot
groove, and crimp it so as to have clearance (B) of 3 mm
(0.12 in) or less as shown.

Install boot clamp (small diameter) to boot.

Adjust inner socket to standard length “L”, and then tighten lock
nut to the specified torque. Check length “L” again after tighten-
ing lock nut.

CAUTION:

Adjust toe-in after this procedure. Length achieved after
toe-in adjustment is not necessaly the value above.

Inspection

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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-7, "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.

Outer Socket and Inner Socket

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

BALL JOINT SWINGING TORQUE

Standard

Rack stroke “L”

: Refer to

ST-19, "Rack

Stroke"

SGIA0877E

JSGIA0140ZZ

Standard

Inner socket length “L”

: Refer to

ST-20, "Inner

Socket Length"

SGIA0167E

STEERING GEAR AND LINKAGE

ST-17

< ON-VEHICLE REPAIR >

• 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.

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.

Standard for outer socket

(Measuring point: Ball stud upper side)

Swinging torque

: Refer to

ST-19, "Socket

Swing Force and Rotating
Torque"

Spring balance measure-
ment

: Refer to

ST-19, "Socket

Swing Force and Rotating
Torque"

Standard for inner socket

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