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Ball pin
Check of ball pin
1. Check the lower ball pin for loose
a. Raise the front of the car by jack and support it by the frame.
b. Ensure the front wheel is in straight advancing position and step
down the brake pedal.
c. Move the arm upwardly and downwardly; check
the clearance of lower ball pin.
Max. vertical clearance: 0mm
2. Check the upper ball pin for loose move the wheel
upwardly and downwardly and check the gap of
upper ball pin.
Max. vertical clearance: 0mm
3. Check the rotation of ball pin
a. Remove the ball pin.
b. Shown as figure, shake the ball pin stud forwardly and backwardly
for several times before install the nut
c. Rotate the nut continuously by torsion meter and 2-4s for a
cycle; record the readout of torsion meter in the fifth cycle.
Tightening torque (for rotary):
Lower ball pin 0.1
4Nm
Upper ball pin 0.1
4Nm
Disassembly of ball pin
1. Remove the steering knuckle and front hub assembly
(Refer to section “Front Hub and Steering Knuckle”)
2. Remove the lower ball pin form the lower arm
3. Remove the upper ball pin from the upper arm
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Installation of ball pin
1. Install the upper ball pin on the upper arm
Tightening force: 785Nm
2. Install the lower ball pin on the lower arm
Tightening force: 14010Nm
3. Install the steering knuckle and front hub assembly
(Refer to section “Front Hub and Steering Knuckle”)
Page 215 of 425
Lower suspension arm
Disassembly of lower suspension arm
1.The disassembly of the front hub and steering knuckle
assembly includes the removal of vibration damper,
stabilizer bar and steering cross rod.
(Refer to the section “Front Hub and SteeringKnuckle”)
2. Disassembly of torsion bar spring
(Refer to section “Torsion Bar Spring”)
3. Remove the front shaft of lower arm
a. Make the assembly mark on the adjusting cam
b. Remove the nut and front shaft of lower arm.
4. Screw off the rear shaft of lower arm
Screw off the nut; remove the rear shaft of lower arm shaft and
remove the lower suspension arm.
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Installation of lower suspension arm
1. Installation of lower suspension arm
a. Install the rear shaft of lower arm and tighten the screw to
the specified torque.
Tightening force: 290
25Nm
b. Install the front shaft of lower arm and pretighten the nut.
2. Installation of front hub and steering knuckle
assembly
(Refer to section “Front Hub andSteeringKnuckle”)
3. Install the vibration damper on the lower suspen
sion arm Install the vibration damper on the
lower suspension arm bracket.
Tightening force: 9010Nm
4. Connect the stabi lizer barto the lower susp
ension arm.
Tightening force: 635Nm
5. Connect the steering cross rod to the steering
knuckle arm
a. Connect the steering cross rod to the steering knuckle arm.
Tightening force: 120
10Nm
b. Install the new split pin.
Remarks: It should align the notch of nut with the pinhole
when install the split pin; the nut can be tightened but not
loosed during the alignment.
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Upper suspension arm
Disassembly of upper suspension arm
1. Disconnect the upper ball pin form the steering
knuckleRemove the split pin and nut; use the special
tools to disconnect the upper ball pin from the steering
knuckle.
2. Remove the brake oil pipe on the upper arm shaft
a. Use the open-end wrench to screw off the oil pipe tight nut.
b. Pull out the brake oil pipe and plug it by the rubber plug.
Remarks: There are two two-way valves for rear brake oil pipe
beside the right upper arm shaft ; when remove the right upper
suspension arm, it must remove four oil pipe tight nuts in the
place and plug it by the rubber plug to prevent the brake fluid
from overflowing.
3. Disconnect the brake hose form the brake caliper
Remove the hollow bolt and disconnect the brake hose
form the brake caliper
Remarks: Must not lose the copper gasket seal.
4. Disconnect the brake hose from the upper arm oil
pipe bracket.
Use the pliers to pull out the sheet steel spring clip and
disconnect the brake hose from the upper arm oil pipe
bracket.
5. Remove the upper suspension armRemove two bolts
and remove the upper suspension from the armcarriage.
Remarks: Keep the adjusting shim and don’t lose it. Record the
thickness of front and rear adjusting shim for convenience of
reinstalling them in the original position.
special tools
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b. Tighten the upper arm shaft nut to specified torque.
Tightening force: 210
10Nm
Installation of upper suspension arm
1. Install the upper suspension arm on the carriage
a. Install the upper suspension arm and camber adjusting shim.
b. Tighten all bolts to the specified torque.
Tightening force: 200
10Nm
Remarks: Install the shim with same quantity and thickness to the
original position.
2. Connect the brake oil pipe of upper arm shaft Tighten
the oil pipe compression nut to specified torque.
Tightening force: 15-17Nm
Remarks: It should tighten four connectors of two two-way valves
to the specified torque if disassemble the right upper arm.
3. Connect the brake hose to the upper arm oil pipe
bracket
a. Thread the brake hose through the hole on upper arm oil pipe
bracket.
b. Insert the sheet steel spring clip by the hammer to fix the brake
hose.
4. Connect the upper ball pin to the steering knuckle.
a. Tighten the slotted nut according to the specified torque.
Tightening force: 145
15Nm
b. Install the new split pin.
Remarks: It should align the notch of nut with the pinhole when
install the split pin; the nut can be tightened but not loosed during
the alignment.
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Replacement of drive gear oil seal of front reducer assembly
1. Support the front of car; remove the left and right
front wheel and the beam under the reducer.
2. Drain the lubricant oil in the front reducer; remove
the left and right steering knuckle
3. Disconnect the front reducer assembly flange from
the drive shaft and use the jack to remove the front
drive axle
Caution: Make the assembly mark on the reducer and
drive shaft before separate them.
4. Remove the front differential assembly
(Caution: Drain the oil in front differential before the
disassembly)
front reducer
assembly
washer
spacer drive
bevel gear
bearing
oil seal
front reducer drive gear flange,
main gear flange and dustproof
cover assembly
Used component which can not be used
any more.
N m: specified torque
assembly mark
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6. Use the wrench to screw off the bolt on the vent tube
bracket, which is used to fix the vent tube connector.
7. Disconnect the connection between the front drive
shaft assembly and steering knuckle front hub
assembly.
a. Screw off the connecting bolt which is used to fix the front
hub cover; remove the front hub cover.
b. Use the circlip pliers to remove the circlip from the front drive
shaft and remove the adjusting washer.
c. Remove the steering knuckle of both sides and separate it
form the front drive shaft assembly.
1. Support the front of the car; remove two front
wheels and the beam under the front reducer
assembly.
2. Drain the lubrication oil in the front reducer
assembly.
3. Remove the flange of front reducer assembly from
the drive shaft
Caution: Make the assembly mark on the flange of
front reducer assembly and drive shaft before discon-
nect them.
4. Disconnect the connector of power wire of electric
clutch
5. Disconnect three rubber connectors on the front
drive axle vent tube connector assembly.
assembly mark
disconnect three connectors in this place