Nissan Frontier. Manual - part 1186

 

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Nissan Frontier. Manual - part 1186

 

 

STEERING COLUMN

ST-23

< UNIT DISASSEMBLY AND ASSEMBLY >

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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 coming from the steering column, check col-

umn length. If out of specification, replace the steering column as an assembly.

3. Check the tilt device for proper operation range.

Steering column 
length (L)

Refer to 

ST-30, "Steering Col-

umn"

AWGIA0147ZZ

Range (A)

Refer to 

ST-30, "Steering 

Column"

WGIA0083E

ST-24

< UNIT DISASSEMBLY AND ASSEMBLY >

POWER STEERING OIL PUMP

POWER STEERING OIL PUMP

Component

INFOID:0000000009479927

QR25DE

AWGIA0125GB

1.

Joint

2.

Suction pipe

3.

O-ring

4.

Front bracket

5.

Pulley

6.

Lock washer

7.

Body assembly

8.

Copper sealing washers

9.

Flow control valve and spring

10. Connector

11. Rear bracket

Apply Genuine Nissan PSF or equivalent

POWER STEERING OIL PUMP

ST-25

< UNIT DISASSEMBLY AND ASSEMBLY >

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VQ40DE

Disassembly and Assembly

INFOID:0000000009479928

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 sealing washers.

CAUTION:

Do not reuse copper sealing 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 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.

AWGIA0137GB

1.

Joint

2.

Suction pipe

3.

O-ring

4.

Front bracket

5.

Pulley

6.

Lock washer

7.

Body assembly

8.

Copper sealing washers

Apply Genuine Nissan PSF or equivalent

ST-26

< UNIT DISASSEMBLY AND ASSEMBLY >

POWER STEERING OIL PUMP

CAUTION:

• Do not reuse O-ring or copper sealing washers.

• Apply a coat of Genuine NISSAN PSF or equivalent to the O-ring.

 

 

 

 

 

 

 

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