Nissan Titan A60. Manual - part 898

POWER STEERING OIL PUMP

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< UNIT DISASSEMBLY AND ASSEMBLY >

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POWER STEERING OIL PUMP

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.

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.

1.

Bracket

2.

Spring washer

3.

Pulley

4.

Power steering pump

5.

High pressure hose bracket

6.

O-ring

7.

Suction pipe

Front

LGIA0038E

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< SERVICE DATA AND SPECIFICATIONS (SDS) 

SERVICE DATA AND SPECIFICATIONS (SDS)

SERVICE DATA AND SPECIFICATIONS (SDS)

SERVICE DATA AND SPECIFICATIONS (SDS)

Steering Wheel

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Steering Column

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Unit: mm (in)

Inspection After Installation

End play of the axial direction for steering wheel

0 mm (0 in)

Steering wheel play on the outer circumference

0 

− 35 mm (0 − 1.38 in)

Steering wheel turning force

39 N (4 kg-f, 9 lb-f) or less

Steering column length (L)

567 (22.32)

Steering column length (L

1

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165.1 (6.50)

Steering column length (L

2

)

258 (10.16)

Range (A)

18

°

WGIA0080E

SGIA0475E

WGIA0083E

SERVICE DATA AND SPECIFICATIONS (SDS)

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< SERVICE DATA AND SPECIFICATIONS (SDS) 

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Steering Outer Socket and Steering Inner Socket

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Unit: mm (in)

Power Steering Gear

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Tie-rod ball joint steering outer 
socket

Swinging torque (F)

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

Tie-rod ball joint steering 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=83.2 mm (3.276 in).

12.1 

− 93.7 N (1.3 − 9.5 kg-f, 9 − 69 lb-f)

Axial end play

0.2 mm (0.008 in) or less

SGIA0547E

Inner socket length (L)

102.2 (4.02)

SGIA0167E

Power steering gear model

PR26AM

Rack sliding force

At the neutral point:
Range within 

± 11.5 mm 

(

±0.453 in) from the neutral 

position
(in power ON)

Area average value

147 

− 211 N (14.99 − 21.52 kg-f, 33.1 − 47.52 lb-f)

Allowable variation

98 N (10 kg-f, 22 lb-f) or less

Whole area (in power OFF)

Peak value

294 N (30.0 kg-f, 66 lb-f) or less

Allowable variation

147 N (16 kg-f, 35 lb-f) or less

ST-32

< SERVICE DATA AND SPECIFICATIONS (SDS) 

SERVICE DATA AND SPECIFICATIONS (SDS)

Power Steering Oil Pump

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Power Steering Fluid

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Relief oil pressure

9.0 

− 9.8 mPa (91.77 − 99.93 kg/cm

2

, 1305.34 

− 1421.37 psi)

Power steering fluid capacity

Approx. 1.0   (1-1/8 US qt, 7/8 Imp qt)