Nissan Pathfinder (2008 year). Manual — part 412
UPPER BALL JOINT AND LOWER BALL JOINT
FSU-17
< REMOVAL AND INSTALLATION >
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UPPER BALL JOINT AND LOWER BALL JOINT
Removal and Installation
INFOID:0000000001672933
The ball joints are part of the upper and lower links. Refer to
FSU-16, "Removal and Installation"
(upper link),
FSU-15, "Removal and Installation"
(lower link).
FSU-18
< REMOVAL AND INSTALLATION >
KNUCKLE
KNUCKLE
Removal and Installation
INFOID:0000000001672936
REMOVAL
1.
Remove wheel and tire from vehicle using power tool.
2.
Without disassembling the hydraulic lines, remove brake caliper using power tool. Reposition it aside with
wire. Refer to
BR-26, "Removal and Installation of Brake Caliper and Disc Rotor"
NOTE:
Avoid depressing brake pedal while brake caliper is removed.
3.
Put alignment marks on disc rotor and wheel hub and bearing
assembly, then remove disc rotor.
4.
Disconnect wheel sensor and remove bracket from steering knuckle.
CAUTION:
Do not pull on wheel sensor harness.
5.
On 4WD models, remove cotter pin, then remove lock nut from drive shaft using power tool. Refer to
.
6.
Remove steering outer socket cotter pin at steering knuckle, then loosen nut using power tool. Refer to
ST-30, "Disassembly and Assembly"
1.
Disc rotor
2.
Wheel hub and bearing assembly
3.
Wheel stud
4.
Splash guard
5.
Steering knuckle
6.
Wheel sensor bracket
WDIA0228E
WDIA0044E
KNUCKLE
FSU-19
< REMOVAL AND INSTALLATION >
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7.
Disconnect steering outer socket from steering knuckle using
Tool. Be careful not to damage outer socket boot.
CAUTION:
To prevent damage to threads and to prevent Tool from
coming off suddenly, temporarily tighten nut.
8.
Remove wheel hub and bearing assembly bolts using power tool.
9.
Remove splash guard and wheel hub and bearing assembly from steering knuckle.
CAUTION:
Do not pull on wheel sensor harness.
10. Remove cotter pin and nut from upper link ball joint.
11. Separate upper link ball joint from steering knuckle using Tool.
12. Remove pinch bolt from steering knuckle using power tool, then
separate lower link ball joint from steering knuckle.
13. Remove steering knuckle from vehicle.
INSPECTION AFTER REMOVAL
Check for deformity, cracks and damage on each part, replace if necessary.
• Perform ball joint inspection. Refer to
.
INSTALLATION
Installation is in the reverse order of removal.
• For 4WD models, refer to
FAX-6, "Removal and Installation"
for drive shaft lock nut tightening torque.
CAUTION:
Always replace drive shaft lock nut and cotter pin.
• Refer to
ST-30, "Disassembly and Assembly"
for outer socket nut tightening torque.
• Refer to
for front suspension tightening torques.
Tool number
: HT72520000 (J-25730-A)
SDIA1434E
Tool number
: ST29020001 (J-24319-01)
WEIA0119E
LEIA0097E
FSU-20
< REMOVAL AND INSTALLATION >
KNUCKLE
• When installing disc rotor on wheel hub and bearing assembly,
align the marks.
NOTE:
When not using the alignment mark, refer to
• When installing wheel and tire, refer to
• Perform wheel alignment. Refer to
.
WDIA0044E
COIL SPRING AND SHOCK ABSORBER
FSU-21
< DISASSEMBLY AND ASSEMBLY >
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DISASSEMBLY AND ASSEMBLY
COIL SPRING AND SHOCK ABSORBER
Disassembly and Assembly
INFOID:0000000001672938
DISASSEMBLY
1.
Set the shock absorber in a vise, then loosen (without removing)
the piston rod lock nut as shown.
CAUTION:
Do not remove piston rod lock nut at this time.
2.
Compress the coil spring using commercial service tool until the
shock absorber mounting insulator can be turned by hand.
WARNING:
Make sure that the pawls of the two spring compressors are
firmly hooked on the coil spring. The spring compressors
must be tightened alternately and evenly so as not to tilt the
coil spring.
3.
Remove the piston rod lock nut.
• Discard the piston rod lock nut, use a new nut for assembly.
4.
Remove the components from the shock absorber.
• Keep the coil spring compressed in the commercial service
tool if reusing it for assembly.
INSPECTION AFTER DISASSEMBLY
Shock Absorber Assembly
• Check for smooth operation through a full stroke, both compression and extension.
• Check for oil leakage on welded or gland packing portions.
• Check piston rod for cracks, deformation or other damage and replace if necessary.
Mounting Insulator and Rubber Parts
Check cemented rubber-to-metal portion for separation or cracks. Check rubber parts for deterioration and
replace if necessary.
Coil Spring
• Check for cracks, deformation or other damage and replace if necessary.
• Check the coil spring free height.
ASSEMBLY
SSU002
SSU003
Front coil spring free height
2WD
: 345.4 mm (13.6 in)
4WD
: 356 mm (14.0 in)
FSU-22
< DISASSEMBLY AND ASSEMBLY >
COIL SPRING AND SHOCK ABSORBER
1.
When installing coil spring on strut, it must be positioned as
shown.
2.
Install the shock absorber mounting insulator as shown in line
with lower shock mount and step in lower seat.
• The step in the strut assembly lower seat faces outside of
vehicle.
3.
Tighten the new piston rod lock nut to specification. Refer to
.
• Use a new piston rod lock nut for assembly.
4.
Remove commercial service tool.
SFA508A
WEIA0117E
SERVICE DATA AND SPECIFICATIONS (SDS)
FSU-23
< SERVICE DATA AND SPECIFICATIONS (SDS)
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SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
General Specification (Front)
INFOID:0000000001672908
Spring Free Height
INFOID:0000000001672909
Unit: mm (in)
Wheel Alignment (Unladen*1)
INFOID:0000000001672910
*1: Fuel, radiator coolant and engine oil full. Spare tire, jack, hand tools and mats in designated positions.
Suspension type
Independent double wishbone coil over shock
Shock absorber type
Double-acting hydraulic
Stabilizer
Standard equipment
Drive type
2WD
4WD
Front spring free height
345.4 (13.6)
356 (14.0)
Drive type
2WD
4WD
Camber
Degree minute (decimal degree)
Minimum
-0
°
30
′
(-0.50
°
)
-0
°
15
′
(-0.25
°
)
Nominal
0
°
15
′
(0.25
°
)
0
°
30
′
(0.50
°
)
Maximum
1
°
00
′
(1.00
°
)
1
°
15
′
(1.25
°
)
Cross camber
0
°
45
′
(0.75
°
) or less
0
°
45
′
(0.75
°
) or less
Caster
Degree minute (decimal degree)
Minimum
2
°
15
′
(2.25
°
)
2
°
00
′
(2.00
°
)
Nominal
3
°
0
′
(3.00
°
)
2
°
45
′
(2.75
°
)
Maximum
3
°
45
′
(3.75
°
)
3
°
30
′
(3.50
°
)
Cross caster
0
°
45
′
(0.75
°
) or less
0
°
45
′
(0.75
°
) or less
Kingpin inclination
Degree minute (decimal degree)
Nominal
13
°
0
′
(13.00
°
)
12
°
45
′
(12.75
°
)
Total toe-in
Distance (A
−
B)
Minimum
2.1 mm (0.08 in)
2.1 mm (0.08 in)
Nominal
3.1 mm (0.12 in)
3.1 mm (0.12 in)
Maximum
4.1 mm (0.16 in)
4.1 mm (0.16 in)
Angle (left wheel or right wheel)
Degree minute (decimal degree)
Minimum
0
°
5
′
(0.08
°
)
0
°
5
′
(0.08
°
)
Nominal
0
°
7
′
(0.12
°
)
0
°
7
′
(0.12
°
)
Maximum
0
°
9
′
(0.15
°
)
0
°
9
′
(0.15
°
)
Wheel turning angle (full turn)
Inside
Degree minute (Decimal degree)
33
°
26
′
– 35
°
26
′
*
2
(33.43
°
– 35.43
°
)
33
°
33
′
– 35
°
33
′
*
4
(33.60
°
– 35.60
°
)
Outside
Degree minute (Decimal degree)
29
°
22
′
– 31
°
22
′
*
3
(29.37
°
– 31.37
°
)
29
°
38
′
– 31
°
38
′
*
5
(29.73
°
– 31.73
°
)
SFA234AC
FSU-24
< SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
*2: Target value 35
°
26
′
(35.43
°
)
*3: Target value 31
°
22
′
(31.37
°
)
*4: Target value 35
°
33
′
(35.55
°
)
*5: Target value 31
°
38
′
(31.63
°
)
Ball Joint
INFOID:0000000001672911
Wheelarch Height (Unladen*
1
)
INFOID:0000000001672912
Unit: mm (in)
*1: Fuel, radiator coolant and engine oil full. Spare tire, jack, hand tools and mats in designated positions.
Swinging force “A” (Measurement point at either cotter pin
hole or groove of ball stud.)
Upper
8.1 - 79 N (0.83 - 8.1 kg-f, 1.82 - 17.8 lb-f) at hole
Lower
11.4 - 145.5 N (1.16 - 14.84 kg-f, 2.56 - 32.71 lb-f) at groove
Turning torque “B”
Upper
0.5 - 4.9 N·m (0.05 - 0.49 kg-m, 5 - 43 in-lb)
Lower
0.5 - 6.4 N·m (0.05 - 0.65 kg-m, 5 - 56 in-lb)
Vertical end play “C”
0 mm (0 in)
SFA858A
WEIA0076E
Engine
VQ40DE
VK56DE
Drive type
2WD
Part time 4WD
Full time
4WD
2WD
4WD
Tire size
245/
75R16
265/
70R16
265/
65R17
245/
75R16
265/
70R16
265/
75R16
265/
65R17
265/60R18
Front wheelarch
height (Hf)
867
(34.13)
865
(34.06)
865
(34.06)
875
(34.45)
873
(34.37)
889
(35.00)
874
(34.41)
868
(34.17)
876
(34.49)
Rear wheelarch
height (Hr)
875
(34.45)
873
(34.37)
873
(34.37)
884
(34.80)
882
(34.72)
898
(35.35)
883
(34.76)
876
(34.49)
886
(34.88)
LEIA0085E
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