Nissan Pathfinder (2010 year). Instruction — part 605

ST-30

< DISASSEMBLY AND ASSEMBLY >

POWER STEERING OIL PUMP

POWER STEERING OIL PUMP

Disassembly and Assembly

INFOID:0000000005260177

VQ40DE ENGINE

VK56DE ENGINE

AWGIA0122GB

1.

Connector

2.

Suction pipe

3.

O-ring

4.

Bracket

5.

Pulley

6.

Lock washer

7.

Body assembly

8.

Copper 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

2010 Pathfinder

POWER STEERING OIL PUMP

ST-31

< DISASSEMBLY AND ASSEMBLY >

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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 washers.

CAUTION:

Do not reuse the copper 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 the copper gaskets

• Do not reuse the O-ring. Apply a coat of Genuine NISSAN PSF or equivalent to the O-ring. Refer to

MA-16, "For North America"

.

2010 Pathfinder

ST-32

< DISASSEMBLY AND ASSEMBLY >

STEERING GEAR AND LINKAGE

STEERING GEAR AND LINKAGE

Disassembly and Assembly

INFOID:0000000005260178

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

AWGIA0123GB

2010 Pathfinder

STEERING GEAR AND LINKAGE

ST-33

< DISASSEMBLY AND ASSEMBLY >

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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.

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-f, 110 lb-f) 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)

WGIA0131E

Item

Outer socket

Inner socket

Measuring point

Cotter pin hole of stud

Refer to

ST-35, "Steering Outer Socket and Inner

Socket"

Swing torque

Refer to

ST-35, "Steering Outer Socket and Inner Socket"

Refer to

ST-35, "Steering Outer Socket and Inner

Socket"

Measuring value

Refer to

ST-35, "Steering Outer Socket and Inner Socket"

Refer to

ST-35, "Steering Outer Socket and Inner

Socket"

Tool number

: ST3127S000 (J-25765-A)

Outer socket
rotating torque

Refer to

ST-35, "Steering Outer Socket

and Inner Socket"

WGIA0132E

Outer socket Refer to

ST-35, "Steering Outer Socket

and Inner Socket"

Inner socket

Refer to

ST-35, "Steering Outer Socket

and Inner Socket"

SGIA0057E

2010 Pathfinder

ST-34

< DISASSEMBLY AND ASSEMBLY >

STEERING GEAR AND LINKAGE

2. Install the large-diameter side of the boots to the gear housing

assembly.

3. Install the small-diameter side of the boots to the groove of the

inner sockets.

4. Install the boot clamps to the boots, as shown.

CAUTION:

Do not reuse the large boot clamps.

5. Crimp the large boot clamps, using Tool.

6. Install the cylinder tubes to the gear housing assembly.
7. Install the lock nuts and outer sockets to the inner sockets.

8. Thread the outer sockets onto the inner sockets to the specified

length (L) and a minimum thread depth of 18 mm threads. Then

tighten the lock nuts to the specified torque. Refer to "Disassem-

bly and Assembly". Reconfirm that the tie-rod length (L) is within

specification.

SGIA0550E

AST139

Tool number : KV40107300 ( — )

RAC1133D

Maximum inner socket
length (L)

Refer to

ST-35, "Steering Out-

er Socket and Inner Socket"

SGIA0167E

2010 Pathfinder

SERVICE DATA AND SPECIFICATIONS (SDS)

ST-35

< SERVICE DATA AND SPECIFICATIONS (SDS)

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SERVICE DATA AND SPECIFICATIONS (SDS)

SERVICE DATA AND SPECIFICATIONS (SDS)

Steering Wheel

INFOID:0000000005260179

Steering Column

INFOID:0000000005260180

Steering Outer Socket and Inner Socket

INFOID:0000000005260181

End play of the axle direction for steering wheel

0 mm (0 in)

Steering wheel turning force

39 N (4 kg-f, 9 lb-f) or less

Steering wheel play on the outer circumference

0

−

35 mm (0

−

1.38 in)

Steering column length

553.0 mm (21.77 in)

Tilt range (A)

73.5 mm (2.894 in)

WGIA0083E

Steering gear type

PR26AM

Outer socket

Swinging torque

0.3

−

2.9 N·m (0.03

−

0.29 kg-m, 3

−

25 in-lb)

Measurement on spring balance
• Measuring point: cotter pin hole of stud

4.84

−

46.7 N (0.50

−

4.7 kg-f, 4

−

34 lb-f)

Rotating torque

0.3

−

2.9 N·m (0.03

−

0.29 kg-m, 3

−

25 in-lb)

Axial end play

0.5 mm (0.020 in) or less

Inner socket

Swinging torque

1.0

−

7.8 N·m (0.11

−

0.79 kg-m, 9

−

69 in-lb)

Measurement on spring balance
• Measuring point: L mark see above,

L=84.0 mm (3.307 in) max.

12.1

−

93.7 N (1.3

−

9.5 kg-f, 9

−

69 lb-f)

Axial end play

0.2 mm (0.08 in) or less

SGIA0358E

2010 Pathfinder

ST-36

< SERVICE DATA AND SPECIFICATIONS (SDS)

SERVICE DATA AND SPECIFICATIONS (SDS)

Oil Pump

INFOID:0000000005260182

Steering Fluid

INFOID:0000000005260183

Maximum inner socket length (L)

84.0 mm (3.31 in) max

SGIA0167E

Oil pump relief hydraulic pressure

8.0

−

8.8 mPa (81.60

−

89.76 kg/cm

2

, 1160.0

−

1276.0 psi)

Fluid capacity

Approx. 1.0 (2 1/8 US pt, 1 3/4 Imp pt)

2010 Pathfinder

STR-1

ENGINE

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SECTION

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CONTENTS

STARTING SYSTEM

PRECAUTION . . . . . . . . . . . ...

2

PRECAUTIONS . . . . . . . . . . . . ...

2

Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" . . . . . . . . . . . . . . . . ...

2

Precaution for Power Generation Variable Voltage
Control System . . . . . . . . . . . . . . ..

2

Precaution Necessary for Steering Wheel Rota-
tion After Battery Disconnect . . . . . . . . .....

2

PREPARATION . . . . . . . . . . .

4

PREPARATION . . . . . . . . . . . . ...

4

Special Service Tool . . . . . . . . . . . .....

4

Commercial Service Tool . . . . . . . . . . ..

4

BASIC INSPECTION . . . . . . . . .

5

DIAGNOSIS AND REPAIR WORKFLOW . . ..

5

Work Flow . . . . . . . . . . . . . . . .....

5

FUNCTION DIAGNOSIS . . . . . . . ...

8

STARTING SYSTEM . . . . . . . . . . ...

8

System Diagram . . . . . . . . . . . . . ....

8

System Description . . . . . . . . . . . . ...

8

Component Parts Location . . . . . . . . . ....

8

Component Description . . . . . . . . . . ....

9

COMPONENT DIAGNOSIS . . . . . . .

10

B TERMINAL CIRCUIT . . . . . . . . . .

10

Description . . . . . . . . . . . . . . . ...

10

Diagnosis Procedure . . . . . . . . . . . ...

10

S CONNECTOR CIRCUIT . . . . . . . . .

12

Description . . . . . . . . . . . . . . . ...

12

Diagnosis Procedure - VQ40DE . . . . . . . ..

12

Diagnosis Procedure - VK56DE . . . . . . . ..

13

STARTING SYSTEM . . . . . . . . . . .

15

Wiring Diagram - VQ40DE . . . . . . . . . ..

15

Wiring Diagram - VK56DE . . . . . . . . . ...

19

SYMPTOM DIAGNOSIS . . . . . . . ..

23

STARTING SYSTEM . . . . . . . . . . .

23

Symptom Table . . . . . . . . . . . . . ...

23

ON-VEHICLE REPAIR . . . . . . . . .

24

STARTER MOTOR . . . . . . . . . . ...

24

Exploded View . . . . . . . . . . . . . . .

24

Removal and Installation . . . . . . . . . . .

24

SERVICE DATA AND SPECIFICATIONS
(SDS) . . . . . . . . . . . . . . .

26

STARTER MOTOR . . . . . . . . . . ...

26

Starter . . . . . . . . . . . . . . . . . ..

26

2010 Pathfinder