Lifan 620 - Fault Elimination Table

II. Fault Elimination Table, Table 2-2.
Table 2-2
Fault Possible Cause Action
Incorrect vehicle height (high or low front or rear)
Check if the load is abnormal, if the ring
spring is sunken or is not standard spring.
Worn or broken steering gear or connecting rod. Check the steering system.
Brake system. Check the brake.
Incorrect wheel alignment. Adjust the wheel alignment.
Worn front wheel bearing.
Check the front wheel bearing. See this
chapter.
Leaning to one
side
Wheel and tire. Wheel transposition or replacement.
Incorrect vehicle height (high or low front or rear).
Check if the load is abnormal, if the ring
spring is sunken or is not standard spring.
Steering gear or connecting rod. Check the steering system.
Suspension lower support arm ball joint.
Carry out the test of ball joint in this
chapter.
Unaligned
steering wheel
Incorrect wheel alignment. Adjust the wheel alignment.
Incorrect rear caster angle. Check the rear caster angle.
Incorrect track
Damaged rear suspension. Check the rear suspension.
Front or rear balance connecting rod, connector
or bush.
Check or install new suspension
components if necessary.
Front suspension lower support arm bush.
Check or install new suspension
components if necessary.
Rear suspension arm bush.
Check or install new suspension
components if necessary.
Front bracket with spring. Check the front bracket with spring.
Uncomfortable
riding
Rear shock damper. Check the rear shock damper.
Worn front wheel bearing. Check the wheel bearing.
Suspension lower support arm ball joint.
Carry out the
test of ball joint in this
chapter.
Too large noise
Damaged suspension. Check the suspension.
Incorrect tire pressure. Adjust the tire pressure.
Improper worn
tire
Incorrect wheel alignment. Adjust the wheel alignment.
Damaged or worn front wheel bearing Check the front wheel bearing.
Wheel and tire.
Check the tire. Balance the tire or install a
new one if necessary.
Incorrect wheel alignment. Adjust the wheel alignment.
Vibration
Abnormal steering system operation. Check the steering system.
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