What is the reason for a knocking noise when i drive i changed ball joints and control arms i noticed my axels have holes in the boots and they also have some play Is that the cause of the knocking?

Cars & Vehicles

If when you turn a corner the knocking noise gets louder and more pronounced, then you have defective CV joints. The fact that the boots have holes in them, would indicate that water and dust has been able to contact the joints. This will cause them to self-destruct. This can be very dangerous, and if one breaks while you are driving you may have an accident. Replace th CV joints and replace the boots covering them.

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