Vibration over 70 mph - Ford Powerstroke Diesel Forum
 
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post #1 of 5 Old 06-03-2011, 03:27 PM Thread Starter
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Vibration over 70 mph

OK, truck is vibrating around 70 and gets more aggressive as I speed up. Its not that bad but it is kind of annoying and getting worse. There is no correlation with the vibration and RPMs. I was wondering if anyone has had a vibration similar to this and if so what was the cause... Tires, U-Joints, rear end, drive-shaft, etc??

I have a pretty good leak from the the front of the differential so obviously the pinion seal is shot.. Could that cause a vibe to move up the drive-shaft and shake the truck?

2002 F-250 POWERSTROKE 4X4

BANKS 4" Turbo-Back w/ Power Elbow
Converted from 3/4 to 1TON
Napa 6637 DIY Intake
6.0 Trans. Cooler
Dipricol Gauges
Warn Hubs
TW 6 Pos.

And Some Other Boring Stuff

THANK GOD FOR YOUR BLESSINGS EVERYDAY
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post #2 of 5 Old 06-03-2011, 07:46 PM
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Lets start with the basics... whens the last time you rotated and balanced your tires? How old are the ball joints?

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2000/2006ish Ford F-250 Larryette 7.3 Powerstroke 4x4
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post #3 of 5 Old 06-03-2011, 07:56 PM
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post #4 of 5 Old 06-04-2011, 05:21 AM
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I have similar issues. When it first started, I had the tires balanced and rotated, which did not correct the problem. So after further investigation, I determined that my issue is cause by a bad carrier bearing.


2004 F250 CC Lariat 4x4

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post #5 of 5 Old 06-04-2011, 03:32 PM Thread Starter
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I have BF Goodrich Mud-Terrains. I balance and rotate them every oil change (3000-4000mi.)

All the U-Joints and the carrier bearings are about 3 years old with about 30,000 miles on them. I inspect them regularly and they seem to be in good shape except for the rear one is showing some wear..

2002 F-250 POWERSTROKE 4X4

BANKS 4" Turbo-Back w/ Power Elbow
Converted from 3/4 to 1TON
Napa 6637 DIY Intake
6.0 Trans. Cooler
Dipricol Gauges
Warn Hubs
TW 6 Pos.

And Some Other Boring Stuff

THANK GOD FOR YOUR BLESSINGS EVERYDAY
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