Nissan Murano. Manual - part 1349

ST-90

< REMOVAL AND INSTALLATION >

[WITHOUT HEATED STEERING WHEEL]

STEERING GEAR AND LINKAGE

AWD models

Removal and Installation

INFOID:0000000009721532

REMOVAL

1.

Set the vehicle to the straight-ahead position.

2.

Remove front road wheel and tires.

3.

Remove splash guards (RH and LH). Refer to 

EXT-26, "FENDER PROTECTOR : Exploded View"

.

4.

Remove engine under cover. Refer to 

EXT-29, "Exploded View"

.

5.

Remove exhaust front tube. Refer to 

EX-5, "Exploded View"

.

6.

Separate the rear propeller shaft (front side). Refer to 

DLN-85, "Exploded View"

 (AWD models). 

7.

Remove heat insulator from front floor. 

JSGIA0572GB

1.

Low pressure piping

2.

Rear cover cap

3.

Gear-sub assembly

4.

Power steering solenoid valve

5.

O-ring

6.

Adjusting screw

7.

Spring

8.

Retainer

9.

Outer socket

10. Boot clamp

11.

Boot

12. Inner socket

13. Boot clamp (stainless wire)

14. Cylinder tube

15. Gear housing assembly

16. Rack oil seal

17. Rack assembly

18. Rack Teflon ring

19. O-ring

20. End cover assembly

: Apply power steering fluid.

: Apply Genuine Medium Strength Thread Locking Sealant or equivalent. Refer to 

GI-22, "Recommended Chemical Prod-

ucts and Sealants"

.

: Apply Genuine High Performance Thread Sealant or equivalent. Refer to 

GI-22, "Recommended Chemical Products and 

Sealants"

.

: Apply multi-purpose grease.

Refer to 

GI-4, "Components"

 for symbols not described on the above.

STEERING GEAR AND LINKAGE

ST-91

< REMOVAL AND INSTALLATION >

[WITHOUT HEATED STEERING WHEEL]

C

D

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H

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8.

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

9.

Remove steering outer socket (2) from steering knuckle (3) so
as not to damage ball joint boot (4) using a ball joint remover
(commercial service tool).

CAUTION:

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

10. Remove high pressure piping and low pressure hose of hydrau-

lic piping, and then drain power steering fluid.

11. Remove steering hydraulic piping bracket from front steering

gear assembly.

12. Remove power steering solenoid valve harness connector (1)

and harness clip.

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

14. Separate the lower shaft from the steering gear assembly by sliding the slide shaft.

CAUTION:

• Spiral cable may be cut if steering wheel turns while separating steering column assembly and

steering gear assembly. Be sure to secure steering wheel using string to avoid turning.

• When removing lower shaft, never insert a tool, such as a screwdriver, into the yoke groove to

pull out the lower shaft. In case of the violation of the above, replace lower shaft with a new one.

15. Remove the stabilizer assembly. Refer to 

FSU-14, "Exploded View"

.

16. Support front suspension member with a suitable jack.
17. Remove engine mounting insulator (rear) mounting bolt (lower side). Refer to 

EM-72, "2WD : Exploded

View"

 (2WD models), 

EM-81, "AWD : Exploded View"

 (AWD models).

18. Remove engine mounting insulator (LH). Refer to 

EM-72, "2WD : Exploded View"

 (2WD models), 

EM-81,

"AWD : Exploded View"

 (AWD models). 

19. Remove the mounting bolts and nuts of steering gear assembly.

20. Remove member stay, front suspension member fixing bolts and nuts. Refer to 

FSU-16, "Exploded View"

.

21. Lower the suitable jack for the front suspension member to the steering gear assembly can be removed.

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.

JSGIA0320ZZ

: Bolt

JSGIA0321ZZ

JSGIA0322ZZ

ST-92

< REMOVAL AND INSTALLATION >

[WITHOUT HEATED STEERING WHEEL]

STEERING GEAR AND LINKAGE

• When installing low pressure hose (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.
• Leave clearance (L) when installing clamp (3).

• 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-78, "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-7, "Inspection"

.

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

BRC-9, "ADJUST-

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

.

Disassembly and Assembly

INFOID:0000000009721533

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.

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.

Standard

L

: 3 – 8 mm (0.12 – 0.31 in)

JSGIA0118ZZ

: Bolt

JSGIA0111ZZ

SGIA0624E

STEERING GEAR AND LINKAGE

ST-93

< REMOVAL AND INSTALLATION >

[WITHOUT HEATED STEERING WHEEL]

C

D

E

F

H

I

J

K

L

M

A

B

ST

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O

P

9.

Remove inner socket from gear housing assembly.

10. Drill out the clinching part of gear housing assembly (end cover

assembly side) outer rim with a 3 mm (0.12 in) drill bit. [Drill for
approximately 1.5 mm (0.059 in) depth.]

11. Remove end cover assembly with a 36 mm (1.42 in) open head

(commercial service tool).

CAUTION:

Never damage rack assembly surface when removing. Rack
assembly must be replaced if damaged because it may
cause fluid leakage.

12. Pull rack assembly together with rack oil seal (outer side) out

from gear housing assembly.

CAUTION:

Never damage cylinder inner wall when remove rack
assembly. Gear housing assembly must be replaced if dam-
aged because it may cause fluid leakage.

13. Heat rack Teflon ring to approximately 40

°

C (104

°

F) with a

dryer, and remove rack Teflon ring and O-ring from rack assem-
bly.

CAUTION:

Never damage rack assembly. Rack assembly must be
replaced if damaged because it cause fluid leakage.

14. Push rack oil seal inside with a 29 mm (1.14 in) socket and an

extension bar to push out rack oil seal (inner side) from gear
housing assembly.

CAUTION:

Never damage gear housing assembly and cylinder inner
wall. Gear housing assembly must be replaced if damaged
because it may cause fluid leakage.

ASSEMBLY

1.

Apply recommended fluid to O-ring. Put an O-ring into a rack Teflon ring.

CAUTION:

Never reuse O-ring.

STC0013D

SST081B

SGIA0151E

SGIA0179E