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Loosen wheel nutsCheck the wheel nuts.
Tighten to specification.
Damaged or uneven tire wear Spin the tire and Check for abnormal
tire wear or damage. Install a new tire
as necessary.
Tire shimmy or shake - occurs at
lower speeds Wheel/tire out of balance
Uneven tire wear
Check for abnormal tire wear. Install a
new tire as necessary.
Excessive radial runout of wheel or
tire Perform a radial runout test of the
wheel and tire.
Install a new tire as necessary.
Worn or damaged wheel studs or
elongate stud holes Inspect the wheel studs and wheels.
Install new components as necessary.
Excessive lateral runout of the wheel
or tire Perform a lateral runout test of the
wheel and tire.
Check the wheel, tire and hub. Repair
or Install new components as
necessary.
Foreign materal between the brake
disc and hub. Clean the mounting surfaces of the
brake disc and hub.
See DS group - front/rear axle.
High speed shake or shimmy - occurs
at high speeds Excessive wheel hub runout
Damaged or worn tires
Damaged or worn wheel bearings
Worn or damaged suspension or
steering linkage
Brake disc or drum imbalanceGo to detailed test D.
Drift left or right Tires
Steering linkage
Alignment
Base brake systemGo to detailed test E.
Steering wheel Alignment
Steering linkage
Front lower arm ball jointGo to detailed test F.
Tracks incorrectly Rear suspension
CasterGo to detailed test G.
Rough ride Front strut and spring assembly
Rear shock absorber and spring
assemblyGo to detailed test H.
Excessive noise Front or rear stabilizer bar
components
Springs
Suspension components
Shock absorbersGo to detailed test I.
Incorrect tire wear Tire or unbalanced wheels
Tire inflation
Strut
AlignmentGo to detailed test J.
Vibration Wheel/tire
Front wheel driveshaft(s)
Steering system
Strut and spring assemblyGo to detailed test K.
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Strut and spring assembly
Spring and strut mounting
Front lower arm ball joint
Front lower arm mounting bolt
bushing
Stabilizer bar bushings
Wheel hubs and bearing
Rear suspension arms and bushings
Vehicle leans Tire/wheel
Vehicle load
Suspension components
Incorrect ride heightInflate tires to specification.
Redistribute the load as necessary.
Visually inspect the suspention
system.
Correct the ride height as necessary.
Poor steering returnability High knuckle rotating torque
AlignmentGo to detailed test E.
DETAILED TEST A : FRONT SUSPENSION NOISE CONDITIONS DETAILS/RESULTS/ACTIONS
ROAD TEST THE VEHICLE
a.Test drive the vehicle.
b. During the road test, drive the vehicle over a rough road. Determine
from which area/component the noise is originating.
● Is there a squeak, creak or rattle noise ?
→ YES
Go to
→ NO
The suspension system is OK. Conduct a diagnosis on other suspect
systems.
INSPECT THE STEERING SYSTEM a.Check the steering system for wear or damage.
Perform a steering linkage test.
Inspect the tire wear pattern.
● Are the steering components worn or damaged ?
→ YES
Repair the steering system. Install new components as necessary. Test
the system for normal operation.
→ NO
Go to
FRONT SHOCK ABSORBER/STRUT CHECK a.Check the front shock absorbers/strut mounts for loose bolts or nuts.
b. Check the front shock absorbers/struts for damage. Perform a shock
absorber check.
● Are the front shock absorbers/struts loose or damaged ?
→ YES
Tighten to specifications if loose.
Install new front shock absorbers/struts if damaged. Test the system for
normal operation.
→ NO
Go to
CHECK THE FRONT SPRINGS Check the front spring and front spring mounts/brackets for wear or
damage
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● Are the front springs or spring mounts/brackets worn or damaged ?
→ YES
Repair or Install new components as necessary. Test the system for normal
operation.
→ NO
Go to A5.
CHECK THE STABILIZER BAR
a.Check the stabilizer bar bushings and links for damage or wear.
b. Check the stabilizer bar for damage.
c. Check for loose or damaged stabilizer brackets.
● Are the stabilizer bar/track bar components loose, worn or damaged ?
→ YES
Repair or Install new components as necessary. Test the system for
normal operation.
→ NO
Suspension system is OK. Conduct diagnosis on other suspect systems.
DETAILED TEST B : REAR SUSPENSION NOISE CONDITIONS DETAILS/RESULTS/ACTIONS
ROAD TEST THE VEHICLE
a.Test drive the vehicle.
b. During the road test, drive the vehicle over a rough road. Determine
from which area/component the noise is originating.
● Is there a squeak, creak or rattle noise ?
→ YES
Go to
→ NO
The suspension system is OK. Conduct a diagnosis on other suspect
systems.
REAR SHOCK ABSORBER/STRUT CHECK a.Raise and support the vehicle. See GI group - lift support point.
b. Check the rear shock absorber/strut mounts for loose bolts or nuts.
c. Check the rear shock absorbers/strut for damage. Perform a shock
absorber check.
● Are the rear shock absorbers/struts loose or damaged ?
→ YES
Tighten to specifications if loose.
Install new rear shock absorbers/struts if damaged. Test the system for
normal operation.
→ NO
Go to
CHECK THE REAR SPRINGS Check the rear springs and rear spring mounts/brackets for wear or
damage.
● Are the rear springs or spring mounts/brackets worn or damaged ?
→ YES
Repair or Install new components as necessary. Test the system for normal
operation.
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→NO
Replace bent or damaged parts.
CHECK THE REAR SUSPENSION
a.Measure the vehicle wheel base for LH and RH.
b. Compare the measurements.
● Are the measurements the same ?
→ YES
If the ride is smooth, vehicle is OK.
If the ride is rough, Go to Detailed Test
→ NO
Inspect the rear suspension components for wear or damage.
Repair or Install new components as necessary.
DETAILED TEST H : ROUGH RIDE CONDITIONS DETAILS/RESULTS/ACTIONS
CHECK THE FRONT SHOCK ABSORBER
a.Raise support the vehicle.
b. Inspect the front shock absorber for oil leaks or damage.
● Are the tires excessively worn or damaged ?
→ YES
Install new front shock absorbers.
→ NO
Go to
CHECK THE REAR SHOCK ABSORBERS Inspect the rear shock absorbers for oil leaks or damage.
● Are the rear shock absorbers leaking ?
→ YES
Install new rear shock absorbers.
→ NO
The vehicle is OK. Go to TROUBLESHOOTING.
DETAILED TEST I : EXCESSIVE NOISE CONDITIONS DETAILS/RESULTS/ACTIONS
INSPECT THE SUSPENSION
a.Raise and support the vehicle.
b. Inspect the shock absorber mounting bolts.
● Are the mounting bolts loose or broken ?
→ YES
Tighten or Install new shock absorber mounting bolts.
→ NO
Go to
INSPECT THE SPRING AND TORSION BARS Inspect the springs and stabilizer bars for damage.
● Are the spring or stabilizer bars damaged ?
→ YES
Install new spring and/or stabilizer bars.
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2007 > 2.7L V6 GASOLINE >
SPECIFICATIONS
FRONT SUSPENSION SYSTEM
Items Specification
Type Macpherson strut
Shock Absorber Type
Gas
Stroke mm (in) 195.5 (7.70)
Expansion mm (in) 595.5 ± 3 (23.44 ± 0.12)
Compression mm (in) 400 + 3, - Free (15.75 + 3,
Free)
I.D. Color DIESEL
WHITE
GASOLINE RED
Damping force (0.3 m/s) DIESEL
Expansion N(kgf)
1265 ± 186 (129 ± 19)
Compression N (kgf) 618 ± 108 (63 ± 11)
GASOLINEy Expansion N(kgf)
980 ± 220 (100 ± 15)
Compression N (kgf) 588 ± 118 (60 ± 12)
Spring DIESEL
Free height mm (in)
418.9 (16.49)
Load(kg) I.D. Color594.8~606.7
Yellow 2 point
y
582.9~594.7 yYellow 1 point
GASOLINE Free height mm (in)
415.9 (16.37)
Load(kg) I.D. Color550.0~561.2
Green 2 point
y
538.8~549.9 Green 1 point
REAR SUSPENSION SYSTEM Items Specification
Type Multi Link
Shock Absorber Type
Gas
Stroke mm (in) 170 (6.68)
Expansion mm (in) 478.0 ± 3 (18.82 ± 0.12)
Compression mm (in) 308 + 3, - Free
(12.13 + 0.12, - Free)
I.D. Color DIESEL
WHITE
GASOLINE RED
Damping force (0.3 m/s) DIESEL
Expansion N(kgf)
1540 ± 216 (157 ± 22)
Compression N (kgf) 647 ± 127 (66 ± 13)
GASOLINE Expansion N(kgf)
1422 ± 206 (145 ± 21)
Compression N (kgf) 549 ± 108 (56 ± 11)
DIESEL Free height mm (in)
286.7 (11.29)
Load(kg) I.D. Color642.2~674.7
Yellow 2 point
y
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Rear shock absorber bracket mounting bolt(to body)80 ~ 1108 ~ 1157.9 ~ 79.5
Rear shock absorber bracket mounting nut(to body) 90 ~ 1209~ 1265.1 ~ 86.8
Rear shock absorber nut (to rear knuckle) 140 ~ 16014 ~ 16101.2 ~ 115.7
Rear upper arm ball joint nut (to rear knuckle) 90 ~ 1109 ~ 1165.1 ~ 79.5
Rear upper arm self - locking nut (to cross member) 160 ~ 18016 ~ 18115.7 ~ 130.2
Rear lower arm mounting bolt (to rear knuckle) 160 ~ 18016 ~ 18115.7 ~ 130.2
Rear lower arm mounting nut (to cross member) 200 ~ 27020 ~ 27144.7 ~ 195.3
Rear assist arm mounting bolt (to rear knuckle) 90 ~ 1109 ~ 1165.1 ~ 79.5
Rear assist arm mounting nut (to cross member) 90 ~ 1209 ~ 1265.1 ~ 86.8
Trailing arm bracket mounting nut (to body) 80 ~ 1108 ~ 1157.9 ~ 79.5
Trailing arm self - locking nut (to rear knuckle) 80 ~ 1008 ~ 1057.9 ~ 72.3
Trailing arm mounting bolt(to bracket) 160~ 18016 ~ 18115.7 ~ 130.2
Rear stabilizer bar bracket mounting bolt(to cross member) 39 ~ 603.9 ~ 6.028.2 ~ 43.4
Rear stabilizer link self - locking nut(to trailing arm) 50 ~ 655.0 ~ 6.536.2 ~ 47.0
Wheel nut 90 ~ 1109 ~ 1165.1 ~ 79.5
Rear cross member to body 160 ~ 18016 ~ 18115.7~130.2
Replace the self - locking nuts with new ones after removal.
LUBRICANTS
Items The Recommended Quantity
Front lower arm ball joint Boot : CGMS03 (CMS - H006)
Ball seat : CGMS02 (CMS - H006)
As required
Rear upper arm ball joint
Boot : CGMS03 (CMS - H006)
Ball seat : CGMS01 (CMS - H006)
Rear assist arm ball joint
Stabilizer link ball joint(Front Rear)
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2.Remove the self - locking nut (C) from the strut assembly (B).
3. Remove the insulator, spring seat, coil spring and dust cover from the strut assembly.
INSPECTION
1.Check the strut insulator for wear or damage.
2. Check rubber parts for damage or deterioration.
3. Compress and extend the piston rod (A) and check that there is no abnormal resistance or unusual sound during
operation.
REASSEMBLY
1.Install the spring lower pad (D) so that the protrusions (A) fit in the holes (C) in the spring lower seat (B).
2.Compress coil spring using special tool (09546- 26000).
Install compressed coil spring into shock absorber.
a.Indicated two identification color marks on the coil spring one follows model option the other follows load
classification according to the below.
Pay attention to distiuguish between the two marks and then install them.
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