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
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
• Securely insert harness connector to pressure sensor.
• Adjust belt tension. Refer to
• Check fluid level, fluid leakage and air bleeding hydraulic system after the installation. Refer to
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
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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