Hey guys. I had a quick question for all of you and I realize it might be a bit obscure. Whenever driving, regardless of speed, If I hit any sort of bump on the road i can hear a wobbling noise coming from my rear right wheel well. The car drives fine, and doesnt shake, but it just feels loose back there. I tightened down the strut, but that really didnt change anything. Any ideas? How will I really know if a strut is bad? Is this something suspension related?

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1983 300SD White with Grey interior