Nissan Frontier D40. Manual - part 1015

POWER STEERING OIL PUMP

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< DISASSEMBLY AND ASSEMBLY >

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POWER STEERING OIL PUMP

Component

INFOID:0000000005276029

QR25DE

AWGIA0125GB

1.

Joint

2.

Suction pipe

3.

O-ring

4.

Front bracket

5.

Pulley

6.

Lock washer

7.

Body assembly

8.

Copper washers

9.

Flow control valve and spring

10. Connector

11.

Rear bracket

Apply Genuine Nissan PSF or equivalent

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< DISASSEMBLY AND ASSEMBLY >

POWER STEERING OIL PUMP

VQ40DE

Disassembly and Assembly

INFOID:0000000005276030

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 joint bolt, joint and copper washers.

CAUTION:

Do not reuse the copper washers.

2.

On QR25DE model, remove connector and flow control valve with spring.

3.

Remove the suction pipe and O-ring.

CAUTION:

Do not reuse the O-ring.

4.

Remove the pulley nut and pulley.

5.

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.

AWGIA0126GB

1.

Joint

2.

Suction pipe

3.

O-ring

4.

Front bracket

5.

Pulley

6.

Lock washer

7.

Body assembly

8.

Copper washers

Apply Genuine Nissan PSF or equivalent

POWER STEERING OIL PUMP

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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.

ST-26

< DISASSEMBLY AND ASSEMBLY >

STEERING GEAR AND LINKAGE

STEERING GEAR AND LINKAGE

Disassembly and Assembly

INFOID:0000000005276031

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