Truck shake violently at 55 mph - Ford Powerstroke Diesel Forum
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post #1 of 10 Old 03-01-2013, 07:06 AM Thread Starter
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Truck shake violently at 55 mph

I have a 97 f250, it just started doing this. When I get up to about 55 it starts to shake like crazy. If I get up to about 80 it will stop shaking and then i can slow down to about 65 and it won't start shaking again until it goes below there. The entire truck is shaking, its not just the steering wheel. It's a pretty violent shake. Any ideas?
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post #2 of 10 Old 03-02-2013, 12:07 AM
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im having the same issue. got the truck stuck in the mud 2 weeks ago and it started doing this. i get a slow almost unoticeable wobble/bouce at 30 and shaking at 55-62, and 70+...mine in kinda oscillating though...will do it for 30sec-2min the smooth out for 1-3mins
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post #3 of 10 Old 03-02-2013, 04:31 AM
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Truck shake violently at 55 mph

A bent drive shaft can do weird things.


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post #4 of 10 Old 03-02-2013, 04:41 AM
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Truck shake violently at 55 mph

Have your tires balanced.


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post #5 of 10 Old 05-11-2013, 12:39 PM
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Truck shakes violently at 55 mph

I had the same problem but the shaking would start around 30 mph, I jacked the truck up and put it in gear while ideling, I noticed the drive shaft wasn't running true by the back axel so I put in a new universal, but I noticed that it didn't fit tight in the yoke? I had the same runout. Had to replace the bearings in the punkin along with the gears because they were worn too much.
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post #6 of 10 Old 05-14-2013, 02:51 AM
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The one that was stuck in mud, check inside wheels. Mud will pack on rims and throw weight off. Wobbles like crazy.

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post #7 of 10 Old 05-14-2013, 08:27 AM
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check your carrier bearing, u joints, bent axle, and un balanced tires, these all can kause this

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post #8 of 10 Old 05-18-2013, 07:49 PM
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I agree with everything. Thorough inspection, good jack stands, wheel choks. Flashlight. Be safe doing the inspect tho.

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post #9 of 10 Old 06-12-2013, 06:23 AM
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Here's my , if everything else checks out. Look at the driveshaft and see it it threw off a balance weight. I have had it happen on previous vehicles and have areal harsh vibration at certain speeds. If you cant figure it out I would pull the driveshaft as a last resort and get it balanced. Hope it helps.

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post #10 of 10 Old 06-13-2013, 05:48 AM
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Defininetly check to see if mud is caked on the inside of your rims or anywhere that rotates. If that's not the case take your rig into a place that can do alignments and have them check your ball joints and tie rods. I had mine go out and it had the same symptoms. At about 40-45 mph I got a horrible death wobble and I had to change the ball joints out. I'd start there before going anywhere else. Good luck!
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