Nissan Murano Z51. Manual - part 1400

 

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Nissan Murano Z51. Manual - part 1400

 

 

ST-38

< REMOVAL AND INSTALLATION >

POWER STEERING OIL PUMP

POWER STEERING OIL PUMP

Exploded View

INFOID:0000000005514487

REMOVAL

DISASSEMBLY

1.

Power steering oil pump

: Vehicle front

Refer to 

GI-4, "Components"

 for symbols in the figure.

JSGIA0326GB

1.

Pulley

2.

Oil seal

3.

Front bracket

4.

Suction pipe

5.

O-ring 

6.

Body assembly 

7.

Flow control valve spring

8.

Flow control valve 

9.

Flow control valve sub assembly

JSGIA0327GB

POWER STEERING OIL PUMP

ST-39

< REMOVAL AND INSTALLATION >

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Removal and Installation

INFOID:0000000005514488

REMOVAL

1.

Drain power steering fluid from reservoir tank.

2.

Remove front road wheel and tires.

3.

Remove splash guard. Refer to 

EXT-24, "FENDER PROTECTOR : Exploded View"

.

4.

Loosen drive belt. Refer to 

EM-17, "Removal and Installation"

.

5.

Remove drive belt from oil pump pulley.

6.

Remove copper washers and eye bolt (drain fluid from their pipings).

7.

Remove suction hose (drain fluid from their pipings).

8.

Remove oil pump mounting bolts, and then remove oil pump.

CAUTION:

Never damage drive shaft boot.

INSTALLATION

Note the following, and install in the reverse order of removal.
• 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.
• Leave clearance (L) when installing clamp (3).

• When installing eye bolt (1) and copper washers (2) to oil pump

(3), refer to the figure.

CAUTION:

• Never reuse copper washer.
• Apply power steering fluid to around copper washer, then

install eye bolt.

• Install eye bolt with eye joint (assembled to high pressure

hose) (B) protrusion (A) facing with pump side cutout, and
then tighten it to the specified torque after tightening by
hand. Refer to 

ST-44, "Exploded View"

.

• Securely insert harness connector to pressure sensor.

• Adjust belt tension. Refer to 

EM-17, "Tension Adjustment"

.

• Check fluid level, fluid leakage and air bleeding hydraulic system after the installation. Refer to 

ST-12,

"Inspection"

.

Disassembly and Assembly

INFOID:0000000005514489

DISASSEMBLY

1.

Remove rear bracket.

10. O-ring

11.

O-ring

12. Front side plate

13. Vane

14. Rotor

15. Cam ring 

16. Dowel pin

17. Rear side plate

18. O-ring

19. Teflon ring

20. Rear cover

21. Rear bracket

A.

Oil seal lip

: Apply power steering fluid.

: Apply multi-purpose grease.

Refer to 

GI-4, "Components"

 for symbols not described on the above.

Standard

L

: 3 – 8 mm (0.12 – 0.31 in)

JSGIA0118ZZ

SGIA1379E

ST-40

< REMOVAL AND INSTALLATION >

POWER STEERING OIL PUMP

2.

Remove rear cover mounting bolts, and then remove rear cover from body assembly.

CAUTION:

• Fix oil pump with a vise if necessary.
• Use copper plates when fixing with a vise.

3.

Remove O-ring from body assembly.

4.

Remove rear side plate from cartridge, and then remove Teflon ring and O-ring from rear side plate.

5.

Remove rotor snap ring (1) using a snap ring pliers, and remove
cam ring, rotor and vane from body assembly.

CAUTION:

When removing the snap ring, never damage the pulley
shaft.

6.

Remove front side plate.

7.

Remove cartridge, flow control valve (1), flow control valve
spring (2) and flow control valve sub assembly (3) from body
assembly (4).

CAUTION:

Never drop and damage flow control valve and flow control
valve sub assembly when removing.

8.

Remove oil seal from body assembly.

9.

Remove mounting bolt of suction pipe, and then remove suction
pipe from body assembly.

10. Remove pulley from body assembly.
11. Remove front bracket from body assembly.

12. Remove oil seal from body assembly using a flat-bladed screw-

driver.

CAUTION:

Never damage the body assembly.

ASSEMBLY

1.

Apply recommended grease to oil seal lips (1). Apply recom-
mended fluid to around oil seal. Install oil seal to body assembly
using a drift (commercial service tool).

CAUTION:

• Never reuse the oil seal.
• Fix oil pump with a vise if necessary.
• Use copper plates when fixing with a vise.

2.

Install front bracket to body assembly.

3.

Install pulley to body assembly.

4.

If dowel pin has been removed, insert it into body assembly by
hand. If it cannot be inserted by hand, lightly tap with a hammer.

JSGIA0328ZZ

JSGIA0329ZZ

JSGIA0331ZZ

JSGIA0330ZZ

POWER STEERING OIL PUMP

ST-41

< REMOVAL AND INSTALLATION >

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5.

Install flow control valve (1), flow control valve spring (2) and
flow control valve sub assembly (3) as shown in the figure to
body assembly (4).

6.

Install front side plate (3) with dowel pin (2) on flow control valve
A (1) side as shown in the figure aligning with front side plate
cutout (A) to body assembly (4).

7.

Install cam ring as shown in the figure.

8.

Install rotor so that mark faces body assembly, and then install it
to pulley shaft.

9.

Install vane to rotor so that arc of vane faces cam ring side.

10. Install rotor snap ring to slit of pulley shaft using a hammer and a

drift (commercial service tool).

CAUTION:

• Never damage rotor and pulley shaft.
• Oil pump assembly must be replaced if rotor is damaged.

JSGIA0329ZZ

SGIA1189E

SGIA0612E

SGIA0989E

SGIA0613E

 

 

 

 

 

 

 

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