Nissan Pathfinder (2011 year). Instruction — part 577
HYDRAULIC LINE
ST-27
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VK56DE ENGINE
1.
Reservoir tank
2.
Suction hose
3.
High pressure hose
4.
Oil cooler
5.
Steering gear assembly
6.
Reservoir tank
7.
Reservoir tank bracket
8.
Return hose
9.
Hose clamps
10. Suction hose
11. Connector bolts
12. Copper sealing washers
13. Power steering pressure
sensor
14. O-ring
D.
Low pressure hose
E.
High pressure hose
Genuine Nissan PSF or equivalent
Front
AWGIA0199GB
1.
Reservoir tank
2.
Suction hose
3.
High pressure hose
4.
Oil cooler
5.
Steering gear assembly
6.
Reservoir tank bracket
2011 Pathfinder
ST-28
< UNIT REMOVAL AND INSTALLATION >
HYDRAULIC LINE
7.
Eye bolt
8.
Return hose
9.
Power steering pressure sensor
10. O-ring
Genuine Nissan PSF or equivalent
Front
2011 Pathfinder
STEERING COLUMN
ST-29
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UNIT DISASSEMBLY AND ASSEMBLY
STEERING COLUMN
Disassembly and Assembly
INFOID:0000000006247249
DISASSEMBLY
1. Remove the bolt from the upper joint, then remove the upper joint from the steering column assembly.
2. Remove the ignition switch tamper resistant self-shear screws, using a drill.
3. Remove the ignition switch from the steering column.
ASSEMBLY
Assembly is in the reverse order of disassembly.
CAUTION:
Any time the ignition switch has been removed and installed, the keys must be re-registered in the
BCM. Refer to CONSULT–III Operation Instruction IVIS/NVIS.
NOTE:
1.
Steering column assembly
2. Upper joint
3.
Ignition switch
4.
Self-shear screw
WGIA0126E
2011 Pathfinder
ST-30
< UNIT DISASSEMBLY AND ASSEMBLY >
STEERING COLUMN
Install new tamper resistant self-shear screws.
INSPECTION AFTER ASSEMBLY
When the steering wheel does not turn smoothly, check as follows:
1. Check the steering column for the following:
• Damage to the column tube or bearings
• Wear around the seal edges
• Corrosion or pitting around the seal sliding area
Replace the steering column as an assembly, if necessary.
CAUTION:
• Do not exert any axial load or impact to the steering column.
• Replace the column if it is depleted of grease, worn, damaged, or if any scratches or coating
separation is present on the shaft seal area.
2. If the vehicle has been in a collision, or if noises are heard com-
ing from the steering column, check column length (L) as shown.
If out of specification, replace the steering column as an assem-
bly.
3. Check the tilt device for proper operation range.
WGIA0009E
Steering column
length (L)
Refer to
.
AWGIA0147ZZ
Range (A)
.
WGIA0083E
2011 Pathfinder
POWER STEERING OIL PUMP
ST-31
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POWER STEERING OIL PUMP
Disassembly and Assembly
INFOID:0000000006247250
VQ40DE ENGINE
VK56DE ENGINE
AWGIA0137GB
1.
Connector
2.
Suction pipe
3.
O-ring
4.
Bracket
5.
Pulley
6.
Lock washer
7.
Body assembly
8.
Copper sealing washers
Apply Genuine NISSAN PSF or equivalent
LGIA0038E
1.
Bracket
2.
Spring washer
3.
Pulley
4.
Power steering pump
5.
High pressure bracket
6.
O-ring
7.
Suction pipe
Front
Apply Genuine NISSAN PSF or equivalent
2011 Pathfinder
ST-32
< UNIT DISASSEMBLY AND ASSEMBLY >
POWER STEERING OIL PUMP
INSPECTION BEFORE DISASSEMBLY
Disassemble the power steering oil pump only if the following items are found.
• Deformed or damaged pulley, bracket, connector or suction pipe
• Oil leakage from the suction pipe or connector.
DISASSEMBLY
NOTE:
Mount the power steering oil pump in a vise as needed.
1. Remove the connector bolt, connector and copper sealing washers.
CAUTION:
Do not reuse the copper sealing washers.
2. Remove the suction pipe and O-ring.
CAUTION:
Do not reuse the O-ring.
3. Remove the pulley nut and pulley.
4. Remove the bracket bolts and bracket(s).
INSPECTION AFTER DISASSEMBLY
Body Assembly Inspection
Check the power steering oil pump body assembly for damage. If any damage is found, replace with a new
power steering oil pump assembly.
ASSEMBLY
Assembly is in the reverse order of disassembly.
CAUTION:
• Do not reuse O-rings or copper sealing washers.
• Do not reuse the O-ring. Apply a coat of Genuine NISSAN PSF or equivalent to the O-ring. Refer to
MA-18, "FOR USA AND CANADA : Fluids and Lubricants"
MEXICO : Fluids and Lubricants"
(Mexico).
2011 Pathfinder
STEERING GEAR AND LINKAGE
ST-33
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STEERING GEAR AND LINKAGE
Disassembly and Assembly
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CAUTION:
• Secure the gear housing assembly with a vise. Use copper plates or equivalent to prevent it from
being damaged. Do not grip the cylinder with a vise.
• Before performing disassembly, clean the gear housing assembly. Be careful not to allow any
cleaner to contact the discharge and return port connectors.
DISASSEMBLY
1. Remove the cylinder tubes from the gear housing assembly.
2. Loosen the lock nuts of the outer sockets, then remove the outer sockets from the inner sockets.
3. Remove the boot clamps from the boots, then remove the boots from the inner sockets and gear housing
assembly.
CAUTION:
• Do not reuse the large-diameter boot clamps.
• Do not damage the boots, inner socket or gear housing assembly. If they are damaged, replace
them.
4. Remove the inner sockets.
INSPECTION AFTER DISASSEMBLY
Boot
Check boot for tears, cracks and deformation. Replace if necessary.
1.
Boot clamp
2.
Inner socket
3.
Boot
4.
Boot clamp
5.
Outer socket
6.
Cylinder tubes
7.
Gear housing assembly
8.
Connector
AWGIA0139GB
2011 Pathfinder
ST-34
< UNIT DISASSEMBLY AND ASSEMBLY >
STEERING GEAR AND LINKAGE
Gear Housing Assembly
Check gear housing assembly for dents, cracks or damage. Replace as an assembly if necessary.
Outer Socket and Inner Socket
SWING TORQUE
• Measure the swing torque, using Tool. When ball stud and inner
socket start moving the measured value must be within the specifi-
cation. If the reading is outside the specification, replace the
socket. Refer to
.
ROTATING TORQUE
• Measure the rotating torque, using Tool. If the value is outside the
specification, replace the outer sockets.
AXIAL END PLAY
• Apply a load of 490 N (50 kg, 110 lb) to the ball stud axially. Use a
dial gauge to measure the amount of the movement that the stud
makes. If the value is outside the specification, replace the sock-
ets.
ASSEMBLY
1. Install the inner sockets.
Tool number
:
—
(J-44372)
AWGIA0153ZZ
Item
Outer socket
Inner socket
Measuring point
Cotter pin hole of stud
Swing torque
Refer to
Measuring value
Refer to
Tool number
: ST3127S000 (J-25765-A)
Outer socket
rotating torque
.
WGIA0132E
Outer socket Refer to
Inner socket
Refer to
SGIA0057E
2011 Pathfinder
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