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- Check the lower arm bushing for wear and deterioration.
- Check the lower arm assembly for bend or breakage.
- Check all bolts for condition and straightness.
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1.After shaking the ball joint stud several times, use special tool preload socket (MB990326) to measure the starting torque of the ball joint.
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Rotation starting torque measurement should be carried out with parts temperature above 0°C.
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Standard value: 1.0 - 6.9 N·m 2.If the measured value is not within the standard value, or if the ball joint is difficult to turn or does not turn smoothly, replace the lower arm assembly.
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1.Check the lower arm ball joint dust cover for cracks or damage by pushing it with your finger.
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2.If the lower arm ball joint dust cover is cracked or damaged, replace the lower arm assembly.
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If the dust cover is cracked or damaged, it is possible that there may also be damage to the ball joint.
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