Toyota RAV4 2006 4WD, 2.4L noise underneath car

[Trung Hieu Tran]

Hello all,

I have Toyota RAV4 2006 4WD, 2.4L. The mileage is 106000. I bought used one.
I thought my car got transmission problem, but now I think it is not. It still shift ok, not really smooth but not too bad.

I noticed that when I accelerate, and then try to reduce speed by either break or lift off the acceleration pedal, there is a sound underneath my car. Especially when I run fast, then break, the sound will be very loud.

I tried to put my car in parking, then accelerate, then lift off the pedal. I can hear the sound very significant. Video as below.

And when I shut off my car, I can hear the sound like this:

Could you advise what can go wrong with it? Thank you so much.

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