Highway Vibration - Ford Powerstroke Diesel Forum
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post #1 of 5 Old 10-24-2010, 06:23 PM Thread Starter
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Question Highway Vibration

I get a vibration up through the accelerator and floorboard of my Ex when going 55MPH and up. It only happens when on the accelerator and smoothes out when I let off. Any clues?
Thanks.

2001 Excursion Limited 4x4
5" RC lift
Rear Hellwig
315/75-16 General AT2's
Diamond Eye 4" Turbo-back
DIY Tymar
CCV Mod
RiffRaff HPx
SCT X3
Door Seal Mod
ISSPRO Gauges in A-pillar pod
Kenwood DDX-512 (modded dash to fit)
Full Replacement Vinyl Flooring (no more carpet)
Kicker 6x9's all the way around
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post #2 of 5 Old 10-24-2010, 07:13 PM
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Carrier bearing or a u joint on the drive shaft could be the reason.
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post #3 of 5 Old 10-24-2010, 07:27 PM Thread Starter
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Would a U-joint cause vibration only when on the gas pedal?

2001 Excursion Limited 4x4
5" RC lift
Rear Hellwig
315/75-16 General AT2's
Diamond Eye 4" Turbo-back
DIY Tymar
CCV Mod
RiffRaff HPx
SCT X3
Door Seal Mod
ISSPRO Gauges in A-pillar pod
Kenwood DDX-512 (modded dash to fit)
Full Replacement Vinyl Flooring (no more carpet)
Kicker 6x9's all the way around
slee22 is offline  
post #4 of 5 Old 10-30-2010, 12:54 PM Thread Starter
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I checked out the U-joints today, and there's no play in them at all. There is however a clunk up into the transer-case when I push up and down on the drivshaft...not sure if that's the source of the vibration though.

2001 Excursion Limited 4x4
5" RC lift
Rear Hellwig
315/75-16 General AT2's
Diamond Eye 4" Turbo-back
DIY Tymar
CCV Mod
RiffRaff HPx
SCT X3
Door Seal Mod
ISSPRO Gauges in A-pillar pod
Kenwood DDX-512 (modded dash to fit)
Full Replacement Vinyl Flooring (no more carpet)
Kicker 6x9's all the way around
slee22 is offline  
post #5 of 5 Old 11-02-2010, 03:46 PM Thread Starter
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Got the U-joints changed today and the vibration's still there. It also gets worse when I put my foot in it to pass and such. Any clues?

2001 Excursion Limited 4x4
5" RC lift
Rear Hellwig
315/75-16 General AT2's
Diamond Eye 4" Turbo-back
DIY Tymar
CCV Mod
RiffRaff HPx
SCT X3
Door Seal Mod
ISSPRO Gauges in A-pillar pod
Kenwood DDX-512 (modded dash to fit)
Full Replacement Vinyl Flooring (no more carpet)
Kicker 6x9's all the way around
slee22 is offline  
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