Severe Vibration 40-30MPH - Ford Powerstroke Diesel Forum
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post #1 of 10 Old 01-20-2012, 03:52 PM Thread Starter
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Severe Vibration 40-30MPH

Hey guys, I have a pretty strong vibration that shakes the whole cab on decel, only at the 40 to 30 MPH speed, and only on decel.
Tires, wheels, brakes have been ruled out.

Any thoughts?

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'99 F-350 4x4 7.3L
6637, 4", chip; far too many upgrades to list.
Coming soon: Rigid Industries Lighting, Nav, On-Board Air.
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Last edited by CanadianDiesel; 01-20-2012 at 03:58 PM.
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post #2 of 10 Old 01-22-2012, 05:26 PM
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does it happen in 2wd and 4wd, with or without hubs locked, trying to rule out some areas.
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post #3 of 10 Old 01-22-2012, 07:19 PM
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severe

Drive shaft bearings ?
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post #4 of 10 Old 01-23-2012, 09:50 AM Thread Starter
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4x4 ruled out, does it with hubs locked or unlocked, 4x4 engaged or disengaged. Gets worse the colder it is outside. Hanger Bearings
Replaced a couple years ago...drive shaft U-Joints maybe? Everything seems tight when I check for play in drive shaft...

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Matt
'99 F-350 4x4 7.3L
6637, 4", chip; far too many upgrades to list.
Coming soon: Rigid Industries Lighting, Nav, On-Board Air.
Latest mods: Line-X, '08 Black Leather Captain Seats (Lariat), Trans, EGT and Turbo Gauges; TS chip, Chrome Delete.

02 VW Jetta TDI - 40mpg
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post #5 of 10 Old 01-24-2012, 01:14 AM
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No idea...but that is a sexy truck is it a longbed? Got more pics? Before/after shot ? My whole truck needs a paint job and I know blacks a lot of work to keep looking good

Sorry to go off topic

E99 F250 7.3 - intake, strait pipe 35" mud terrains 6.5 procomp lift ...that's all....for now
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post #6 of 10 Old 01-24-2012, 07:00 PM Thread Starter
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Quote:
Originally Posted by nodd89 View Post
No idea...but that is a sexy truck is it a longbed? Got more pics? Before/after shot ? My whole truck needs a paint job and I know blacks a lot of work to keep looking good

Sorry to go off topic
Haha thanks a lot man, yeah she's a long bed. Here's a few pics.
how i bought it in '08:



Hardly anything on my 99 is original...

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'99 F-350 4x4 7.3L
6637, 4", chip; far too many upgrades to list.
Coming soon: Rigid Industries Lighting, Nav, On-Board Air.
Latest mods: Line-X, '08 Black Leather Captain Seats (Lariat), Trans, EGT and Turbo Gauges; TS chip, Chrome Delete.

02 VW Jetta TDI - 40mpg
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post #7 of 10 Old 01-24-2012, 07:04 PM Thread Starter
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As for this topic, it completely boggles me. Vibration pretty much gone now (temps have warmed up to above 32F lately) but I expect it to come back when temps dip down to around 0*F... I'll have some updates. Thanks for the help guys

Then & Now

Matt
'99 F-350 4x4 7.3L
6637, 4", chip; far too many upgrades to list.
Coming soon: Rigid Industries Lighting, Nav, On-Board Air.
Latest mods: Line-X, '08 Black Leather Captain Seats (Lariat), Trans, EGT and Turbo Gauges; TS chip, Chrome Delete.

02 VW Jetta TDI - 40mpg
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post #8 of 10 Old 02-28-2012, 08:09 AM
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its your hanger bearing....mine did same thing, only happened on decel (when i had my foot off throttle) changed bearing and problem solved!
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post #9 of 10 Old 02-28-2012, 08:10 AM
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Absolutely love your truck BTW!!!!!
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post #10 of 10 Old 02-28-2012, 08:27 AM Thread Starter
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Quote:
Originally Posted by Pierre c View Post
its your hanger bearing....mine did same thing, only happened on decel (when i had my foot off throttle) changed bearing and problem solved!
That's really good to hear man! I'm hoping it's that, cause its pretty bad now... Does anyone sell Greaseable hanger bearings for these? as this one was replaced 2 years ago...

And thanks for the compliments bud!

Then & Now

Matt
'99 F-350 4x4 7.3L
6637, 4", chip; far too many upgrades to list.
Coming soon: Rigid Industries Lighting, Nav, On-Board Air.
Latest mods: Line-X, '08 Black Leather Captain Seats (Lariat), Trans, EGT and Turbo Gauges; TS chip, Chrome Delete.

02 VW Jetta TDI - 40mpg
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