- Apr 15, 2004
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I have a 90 Mustang LX 5.0 with Manual transmission. Currently it has a very noticeable vibration that becomes very bad on 5th gear at about 2000 RPMs. it does not happen when I brake. I don't know what the hell can be causing this. I replaced the U-Joints, but it does not change a thing. What could it be?