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1994.5 - 1997 7.3L Power Stroke Diesel  

Vibration Question

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Old Jul 11, 2008 | 10:10 PM
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Vibration Question

Need Help Guys. I Was Driving Today On A Level Road Doing Around 40 To 45 Mph And Noticed A Slight Vibration Then Went Away. Then When I Was Getting In The Highway Ramp It Came Back When I Was Shifting Through The Gears And Vibrated So Bad That It Shook The Dashboard And Felt Like It Lost A Little Power And Then Went Away Again. I Got Home And Took It For Another Ride And Down The Highway Again Nd It Never Did It Again. Do You Guys Have Any Idea What This Could Have Been.

Thanks.
 
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Old Jul 11, 2008 | 11:46 PM
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sounds like your tires are out of ballance to me.
 
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Old Jul 12, 2008 | 06:49 AM
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I Had The Same Tires On All Summer. It Was Just When You Were On The Throttle.
 
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Old Jul 12, 2008 | 07:22 AM
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How are the u-joints? What about the carrier bearing?
 
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Old Jul 12, 2008 | 09:24 AM
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They Both Feel Tight.
 
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Old Jul 12, 2008 | 10:06 AM
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Tires will do it at stupid times, specially if you are out of alignment.
It's easy to rotate your tires.
Lot easier then replacing U-Joints and such.
 
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Old Jul 12, 2008 | 10:09 AM
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Do you have a manual trans.? If so do you still have the dual mass flywheel? My son had the same problum turned out that the bearing in the flywheel was shot. Replaced with a single mass conversion problum solved.
 
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Old Jul 12, 2008 | 10:10 AM
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The Tires Were Just Put On New About 3 Months Ago. It Almost Sounded Like It Might Have Been A Dirty Injector Or Something Because It Felt Like It Ran On 6 Cylenders With A Gasser.
 
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Old Jul 12, 2008 | 10:11 AM
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How Much Would That Cost To Have Repaired.
 
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Old Jul 12, 2008 | 05:36 PM
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Before my UVC wires went complety bad (failed), it would run great then act like it was on 4 or 6 cyl. It was like that back and forth for awhile until complete failure.
 
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Old Jul 12, 2008 | 11:37 PM
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What Are Uvc Wires. The Ones Under The Valve Covers.
 
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Old Jul 13, 2008 | 07:58 AM
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Yes, When mine went bad I asked for help here. I was told to check the plug ins, two on each side, for bad or burn pins. I replied back and said they were OK and someone came back and said CHECK AGAIN. That time I took a magefine glass and sure enough, they were burned up. There is a fix for the plug in's but I just replaced the whole setup.
 
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Old Jul 13, 2008 | 08:47 AM
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How Was Yours Acting.
 
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Old Jul 13, 2008 | 09:53 PM
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It would run great for awhile, then it would run like S...! No power, would not rev up, run like it was only hitting on a few cylinders.
 
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