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Old 02-25-2007, 10:15 PM   #1
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bad driveline vibration

i was drivin down the raod today and went over a bridge, theres a bit of a bump at either end of the bridge. when i went over each of the bumps, i noticed that my tranmission, made a pretty nasty grinding sound, didnbt make a noise really except then. got to my buddies house, watched the entire race, started driving home, thought a felt a little vibration the whole way. left my house headed somewhere, and there it was, pretty bad constant vibration, except when i'm holdin in the clutch or in neutral. it almost seems as if the tranny has come lose or something and isnt sitting square like it should. i sure hope its nothing expensive or hard and def not the tranny itself. (i've had 2 inswtalled in the past 6 months... any ideas where to start?

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Old 02-25-2007, 10:18 PM   #2
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You check your u-joints? Any leaks or anyting appear out of whack when you look at it?

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Old 02-25-2007, 10:27 PM   #3
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i aint had time to checkanything yet, and it's dark out, i'll have to startin checkin things tomorrow

what should i look for in my u-joints?
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Old 02-25-2007, 10:30 PM   #4
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I guess anything that might not be right with them. I cracked one before on an old Dodge and it felt like the rear was going to fling out.
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Old 02-25-2007, 10:33 PM   #5
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aight, i'll check that after work tomorrow. but i'm really thinkin its somethin with the tranny bc it stops when i clutch in or go into neutral
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Old 02-26-2007, 01:01 AM   #6
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to check your ujoint, twist the d-shaft, if you see any play at the ujoint, its bad. when my tranny mount was dead, it was the most noticeable on take off. when i bent my d-shaft, it was noticeable constantly but worse with more speed. check your weights on ur tires too. an out of balance tire can make it feel like the whole thing is coming unglued
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Old 02-26-2007, 05:31 PM   #7
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I hadn't thought of it until I read what whitebuffalo wrote, but I have gotten water and muc inside my tires from off roadin'. If that happens, it'll feel like the whole thing is blowing apart, just like he said.
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Old 02-26-2007, 07:03 PM   #8
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it was the u-joint near the rear diff..... i've now got another issue, it kind of shaved a good little bit out of the side of the yoke(?) going into the rear diff.... is this little bit shaved off going to cause any balance problems?
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Old 02-26-2007, 08:38 PM   #9
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So did wear down the nipple that hold the ujoint cap in place on the yoke?
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Old 02-26-2007, 08:42 PM   #10
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