Nissan Xterra. Manual — part 610
POWER STEERING GEAR AND LINKAGE
ST-15
< REMOVAL AND INSTALLATION >
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POWER STEERING GEAR AND LINKAGE
Removal and Installation
INFOID:0000000009483751
CAUTION:
Spiral cable may snap due to steering operation if the steering column is separated from the steering
gear assembly. Therefore secure the steering wheel to avoid turning.
NOTE:
When removing components such as hoses, tubes/lines, etc., cap or plug openings to prevent fluid from spill-
ing.
REMOVAL
1. Set front wheels in the straight-ahead position.
2. Remove the front wheels and tires using power tool. Refer to
.
3. Drain power steering fluid.
4. Remove the engine under cover. Refer to
EXT-15, "Removal and Installation"
.
5. On 4WD models, remove the front final drive, then support the drive shafts using suitable wire. Refer to
DLN-165, "Removal and Installation"
.
6. Remove the stabilizer bar brackets and reposition the stabilizer bar. Refer to
.
7. Remove the cotter pins at the steering outer sockets.
CAUTION:
Do not reuse the cotter pins.
8. Loosen the outer socket nuts.
9. Remove the steering outer sockets from the steering knuckles
using Tool, then remove the nuts.
CAUTION:
• Do not damage the outer socket boots.
• Do not damage the outer socket threads. Thread the ball
joint nut onto the end of the outer socket during removal.
1.
Cotter pin
2.
Bracket
3.
Insulator
4.
Steering gear assembly
5.
Washer
Front
AWGIA0136GB
Tool number
: HT72520000 (J-25730-A)
WGIA0130E
ST-16
< REMOVAL AND INSTALLATION >
POWER STEERING GEAR AND LINKAGE
10. Remove the high-pressure and low-pressure piping from the
steering gear assembly, then drain the fluid from the piping.
CAUTION:
Do not reuse O-ring.
11. Remove the pinch bolt from the lower joint shaft and separate
the lower joint from the steering gear assembly.
CAUTION:
Do not damage the lower joint.
12. Remove the nuts and bolts of the steering gear assembly using
power tool, then remove the steering gear assembly from the
vehicle.
INSTALLATION
Installation is in the reverse order of removal.
CAUTION:
Do not reuse O-ring.
• With the steering wheel in the straight ahead position, align the slit
of the lower joint with the projection on the dust cover. Insert the
joint until surface (A) contacts surface (B).
• After removing/installing or replacing steering components, check
wheel alignment. Refer to
FSU-6, "Front Wheel Alignment"
.
• After adjusting wheel alignment, adjust neutral position of the
steering angle sensor. Refer to
STEERING ANGLE SENSOR NEUTRAL POSITION : Special
(TYPE 1),
STEERING ANGLE SENSOR NEUTRAL POSITION : Special
(TYPE 2).
• Bleed the air from the steering hydraulic system. Refer to
"Air Bleeding Hydraulic System"
.
INSPECTION AFTER INSTALLATION
• Check that the steering wheel turns smoothly to the left and right locks.
• Check that the number of turns are the same from the straight-forward position to the left and right locks.
• Check that the steering wheel is in the neutral position when driving straight ahead.
LGIA0032E
LGIA0029E
LGIA0024E
SST491C
POWER STEERING OIL PUMP
ST-17
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POWER STEERING OIL PUMP
Component
INFOID:0000000009483752
Removal and Installation
INFOID:0000000009483753
NOTE:
When removing components such as hoses, tubes/lines, etc., cap or plug openings to prevent fluid from spill-
ing.
REMOVAL
1. Drain the power steering fluid from the reservoir tank.
2. Remove the coolant fan. Refer to
CO-19, "Removal and Installation (Motor driven type)"
3. Remove the air duct assembly. Refer to
4. Remove the drive belt from the drive belt auto-tensioner and power steering oil pump. Refer to
5. Disconnect the harness connector from the pressure sensor.
6. Remove the high pressure and low pressure piping from the power steering oil pump. Refer to
CAUTION:
Do not reuse copper sealing washers.
7. Remove the power steering oil pump bolts, then remove the power steering pump.
INSTALLATION
Installation is in the reverse order of removal.
CAUTION:
Do not reuse copper sealing washers.
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-18
< REMOVAL AND INSTALLATION >
POWER STEERING OIL PUMP
• Install the bolts to specification in the order shown.
• After installation, bleed the air from the hydraulic circuit thoroughly.
ST-6, "Air Bleeding Hydraulic System"
.
NOTE:
Belt tension is automatic and requires no adjustment.
POWER STEERING OIL PUMP BRACKET
Removal
1. Remove the power steering oil pump.
2. Remove the bolts and the power steering oil pump bracket.
Installation
1. Position the bracket and install the bracket to block bolts but do
not tighten. Finger tighten bolt (1) first to seat bracket to front of
engine, then finger tighten bolts (2).
2. Tighten the bolts to specification in order as shown.
3. Install the power steering oil pump.
Power steering pump to
bracket bolt (1)
64.7 N·m (6.6 kg-m, 48 ft-lb)
Power steering pump to
block bolt (2)
28 N·m (2.9 kg-m, 21 ft-lb)
ALGIA0047ZZ
Bracket to front of block
bolt (1)
61.3 Nm (6.3 kg-m, 45 ft–
lb)
Bracket to side of block
bolt (2)
61.3 Nm (6.3 kg-m, 45 ft–
lb)
ALGIA0048ZZ
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