Shocks?
 

The past few weeks, my car's back passenger wheel, have been taking bumps really badly, so i recently replaced the bearings, but nope its still really bad, I was told its the shocks.

But also now when i was going about 80km downhill, and i press the brakes lightly, the back right wheel shakes alot. feels like it wants to come off.
Is it the shocks, or a warped rotor?

Also, i was told if im replacing shocks, i must replace all 4, because if its 1 new, and 3 old, the ride wouldn't feel smooth

what car?

95 talon esi
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