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Loud Squeaking

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2001 Audi A6 2.7T 95k miles…car is making a very loud squeaking/chirping noise when going over bumps…it was making it at low speeds, now it’s making it at both low and high speeds. Would control arms make that much noise? I know that is a common problem with these cars. If the squeak is coming from the control arms, can I just grease them? Thanks.

-Matt

oddly, the car didnt make a sound while driving home and I made sure to drive over bumps while the windows were open so i could hear. What could squeak non-stop one trip and then not at all the next? It doesnt sound like it is coming from any one particular side of the car (sounds like its coming from all over, or at least equally from side to side)