Infiniti G35 (V35) Sedan. Manual - part 1269

ST-26

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STEERING GEAR AND LINKAGE

STEERING GEAR AND LINKAGE

2WD

2WD : Exploded View

INFOID:0000000000958674

REMOVAL AND INSTALLATION

DISASSEMBLY AND ASSEMBLY

1.

Steering gear assembly

2.

Cotter pin

3.

Rack stay

: Vehicle front

Refer to 

GI-4, "Components"

 for symbols in the figure.

JSGIA0038GB

1.

Low pressure piping

2.

Rear cover cap

3.

Gear-sub assembly

4.

Power steering solenoid valve

5.

O-ring

6.

Adjusting screw

JSGIA0099GB

STEERING GEAR AND LINKAGE

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2WD : Removal and Installation

INFOID:0000000000958675

REMOVAL

1.

Set vehicle to the straight-ahead position.

2.

Perform 4WAS front actuator neutral position adjustment. Refer to 

STC-27, "4WAS FRONT ACTUATOR

NEUTRAL POSITION ADJUSTMENT : Description"

. (4WAS models)

3.

Remove tires with a power tool.

4.

Remove front suspension member stay. Refer to 

FSU-20, "Removal and Installation"

.

5.

Remove cotter pin (1), and then loosen the nut.

6.

Remove steering outer socket (2) from steering knuckle (3) so
as not to damage ball joint boot (4) 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.

7.

Remove high pressure piping and low pressure piping of
hydraulic piping, and then drain power steering fluid.

8.

Remove power steering solenoid valve harness connector (1).

9.

Remove rack stay. Refer to 

FSU-20, "Removal and Installation"

.

10. Remove lower joint fixing bolt (steering gear side).

11. Separate the lower shaft from the steering gear assembly by

sliding the side shaft (A: sliding range).

CAUTION:

Spiral cable may be cut if steering wheel turns while sepa-
rating steering column assembly and steering gear assem-
bly. Be sure to secure steering wheel using string to avoid
turning.

12. Remove steering gear assembly.

INSTALLATION

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

CAUTION:

7.

Spring

8.

Retainer

9.

Gear housing assembly

10. Cylinder tubes

11.

Boot clamp (stainless wire)

12. Lock plate

13. Inner socket

14. Boot

15. Boot clamp

16. Outer socket

: Apply power steering fluid.

: Apply Genuine Liquid Gasket, Three Bond 1111B or equivalent.

: Apply multi-purpose grease.

Refer to 

GI-4, "Components"

 for symbols not described on the above.

SGIA1183E

JSGIA0040ZZ

JSGIA0035ZZ

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STEERING GEAR AND LINKAGE

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.
• Tighten the mounting bolts in the order shown in the figure when

installing the steering gear assembly.

• When installing suction hoses (1), refer to the figure.

CAUTION:

• Never apply fluid to the hose (1) and tube (2).
• Insert hose securely until it contacts spool (A) of tube.
• Install clamp (3) to the hose at 3 – 8 mm (0.12 – 0.31 in) (L)

from the edge of the hose.

• When installing lower joint to steering gear assembly, follow the procedure listed below.
- Set rack of steering gear in the neutral position.

NOTE:
To get the neutral position of rack, turn gear-sub assembly and measure the distance of inner socket, and
then measure the intermediate position of the distance.

- Align rear cover cap projection (A) with the marking position of

gear housing assembly (B).

- Install slit part of lower joint (C) aligning with the rear cover cap

projection (A). Make sure that the slit part of lower joint (C) is
aligned with rear cover cap projection (A) and the marking position
of gear housing assembly (B).

• After installation, bleed air from the steering hydraulic system.

Refer to 

ST-10, "Inspection"

.

• Perform final tightening of nuts and bolts on each part under

unladen conditions with tires on level ground when removing steer-
ing gear assembly. Check wheel alignment. Refer to 

FSU-8,

"Wheel Alignment Inspection"

.

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

BRC-8, "ADJUST-

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

.

• Perform 4WAS front actuator neutral position adjustment. Refer to 

STC-27, "4WAS FRONT ACTUATOR

NEUTRAL POSITION ADJUSTMENT : Description"

. (4WAS models)

2WD : Disassembly and Assembly

INFOID:0000000000958676

DISASSEMBLY

1.

Remove low pressure piping.

CAUTION:

• Disassemble and assemble steering gear assembly by fixing the mounting area with a vise using

copper plates.

• Clean steering gear assembly with kerosene before disassembling. Be careful to avoid splash-

ing or applying any kerosene over connector of discharge port or return port.

2.

Remove cylinder tubes from gear housing assembly.

3.

Remove rear cover cap from gear-sub assembly.

Temporary tightening: 1 

⇒

 2 

⇒

 3 

⇒

 4

Final tightening: 1 

⇒

 2 

⇒

 3 

⇒

 4

JSGIA0112ZZ

JSGIA0118ZZ

JSGIA0111ZZ

STEERING GEAR AND LINKAGE

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4.

Measure adjusting screw 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 gear-sub assembly from gear housing assembly.

6.

Remove O-ring from gear housing assembly.

7.

Loosen outer socket lock nut, and remove outer socket.

8.

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.

9.

Release lock with lock plate.

CAUTION:

Never damage rack surface.

10. Remove inner socket from gear housing assembly.

ASSEMBLY

1.

Apply recommended fluid to O-ring, and then install O-ring to gear housing assembly.

2.

Install gear-sub assembly to gear housing assembly.

CAUTION:

In order to protect oil seal from any damage, insert sub-gear assembly out straightly.

3.

Install inner socket to gear housing assembly with the following procedure.

a.

Attach lock plate to rack part of gear housing assembly.

CAUTION:

Never reuse the lock plate.

b.

Apply thread sealant into the thread of inner socket.
• Use Genuine Silicone RTV or equivalent. Refer to 

GI-15, "Recommended Chemical Products and

Sealants"

.

c.

Screw inner socket into rack part and tighten at the specified torque.

d.

Secure with lock plate.

4.

Decide on the neutral position for the rack.

5.

Install rear cover cap to gear sub-assembly.

CAUTION:

Make sure that the projection of rear cover cap is aligned
with the marking position of gear housing assembly.

6.

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.

7.

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

SGIA0624E

Standard

Rack stroke “L”

: Refer to 

ST-59, "Rack 

Stroke"

.

SGIA0877E

SGIA0624E