FordExcursions.com Forums
THETURK
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• baltimore, MD, USA |
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• Registered on 11/25/2004 |
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• 24 posts |
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 Posted:12/5/2004 19:57 |
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I know you will say drive slower....but seriously. I do not speed often and I do not drive my truck like a sports car but........... I have had my tires road force balanced and all four are in perfect balance. Still there is a balancing like tremble at Highway speeds..
I thought it may be the pavement and the 35" tires b/c it does seem less noticable on different stretches of highway?????? Any Ideas????? I am lost 
FYI I added Slotted cross drilled rotors and pads and the truck brakes at least 20-30% better. and smooth pedal feel like a BMW.
...."THE TURK"
ENJOY THE BEST TRUCK ON THE ROAD BOYS!!!!!!! 7.3 liter PSD, 4X4, Banks Turbo back exhaust, Air intake sytem, Superchip, 35" tires, A/R wheels 16 X 8, Pioneer Tune system with XM/ Navigation/ Rear Camera / DVD ,sub amps etc. ,Rear dvd , Cross drilled/slotted rotors, 2.5" Pro Comp, tint, All Black exterior, black grill and bumpers, black Rangehand front grille guard, and a amazing 36" sunroof |
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JohnBoy
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• DFW, TX, USA |
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• Registered on 9/3/2002 |
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• 972 posts |
• 2 Vehicles
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Posted:12/5/2004 20:16 |
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Turk - how old are your shocks and which ones....
The stock shocks are marginal at best - even for the stock tires...
go to larger tires and the stock shocks are junk !!!
Maybe the shocks are gone and allowing the tires to "bounce" a bit...
or maybe they have already bounced enough to cause "cupping" of the tires and this will lead to a "bounce"...
the other thing is rotating the tires regularly....
OR - you lost a belt in a tire when you made that last jump across the railroad tracks !?!?!?!?
I know, obvious things, but they BOTH bit me at one time or another 
2005 6.0L 4x4 Eddie Bauer Ex
2003 6.0L 4x4 Limited Ex - traded in (BooHoo )
"The Republicans should back off and let men marry men, women marry women, and legalize abortion. In three generations there would be no Democrats." |
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E. Long
 
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• Subscriber since 1/1/2001 |
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• Atlanta, GA, USA |
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• Registered on 1/23/2001 |
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• 2,229 posts |
• 1 Vehicle
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THETURK
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• baltimore, MD, USA |
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• Registered on 11/25/2004 |
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• 24 posts |
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Posted:12/6/2004 05:06 |
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I got new shocks with the pro comp lift. It did this vibration though when I had not lift and added 33" tires. Then I added 2.5" and new springs in front and shocks etc and the truck road much better ( Absolutely right about stock shocks) But still @ highway speeds slight vibration and the tires only have 200 miles on the new 35's??
...."THE TURK"
ENJOY THE BEST TRUCK ON THE ROAD BOYS!!!!!!! 7.3 liter PSD, 4X4, Banks Turbo back exhaust, Air intake sytem, Superchip, 35" tires, A/R wheels 16 X 8, Pioneer Tune system with XM/ Navigation/ Rear Camera / DVD ,sub amps etc. ,Rear dvd , Cross drilled/slotted rotors, 2.5" Pro Comp, tint, All Black exterior, black grill and bumpers, black Rangehand front grille guard, and a amazing 36" sunroof |
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THETURK
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• baltimore, MD, USA |
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• Registered on 11/25/2004 |
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• 24 posts |
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Posted:12/6/2004 05:09 |
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I think you may be on to something..... I added 33 inch tires and that is when the vibration became noticeable. .... This was when it was not lifted. The the pro comp and the truck rides MUCH better than stock shocks etc ..... and added 35's and had them road force balanced and they are 100% in balance??? I will check into u joint and shaft.
After this explanation, you still think this is a possiblity?
...."THE TURK"
ENJOY THE BEST TRUCK ON THE ROAD BOYS!!!!!!! 7.3 liter PSD, 4X4, Banks Turbo back exhaust, Air intake sytem, Superchip, 35" tires, A/R wheels 16 X 8, Pioneer Tune system with XM/ Navigation/ Rear Camera / DVD ,sub amps etc. ,Rear dvd , Cross drilled/slotted rotors, 2.5" Pro Comp, tint, All Black exterior, black grill and bumpers, black Rangehand front grille guard, and a amazing 36" sunroof |
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E. Long
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• Subscriber since 1/1/2001 |
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• Atlanta, GA, USA |
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• Registered on 1/23/2001 |
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• 2,229 posts |
• 1 Vehicle
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Posted:12/6/2004 07:32 |
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Turk,
You may also have a seized slip yoke on the driveshaft. The slip yoke allows the driveshaft to extend and contract as your suspension flex and compresses (there should be a rubber boot around it, too):
When I had a lifted Bronco, a seized slip yoke was giving me similar issues that you are having. I had my tires balanced, reblanced, etc, but not matter what I did, I always had a pretty severe vibration at a particular highway speed. Around down and everywhere else it seemed OK. After getting the driveshaft fixed, the vibrations went away.
-Eric
'67 Galaxie 500 - 390 FE, .030" over, FE to AOD adapter, disc brake conversion. The Daily Driver.
'00 Excursion - 7.3L PSD, LANDYOT Gen-II Radius Rods, Factory Tech Valve Body, 200K+ miles and going |
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THETURK
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• baltimore, MD, USA |
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• Registered on 11/25/2004 |
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• 24 posts |
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Posted:12/6/2004 14:58 |
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Awesome!!!! I am so excited to try this.... thank you and I will let you know the outcome.
...."THE TURK"
ENJOY THE BEST TRUCK ON THE ROAD BOYS!!!!!!! 7.3 liter PSD, 4X4, Banks Turbo back exhaust, Air intake sytem, Superchip, 35" tires, A/R wheels 16 X 8, Pioneer Tune system with XM/ Navigation/ Rear Camera / DVD ,sub amps etc. ,Rear dvd , Cross drilled/slotted rotors, 2.5" Pro Comp, tint, All Black exterior, black grill and bumpers, black Rangehand front grille guard, and a amazing 36" sunroof |
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flyfishingguru
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• Annapolis, MD, USA |
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• Registered on 12/31/2003 |
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• 120 posts |
• 1 Vehicle
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Posted:12/6/2004 15:06 |
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Hey Turk-
What is a rangehand front grille guard? Could you mean Ranchhand? Oh yeah, the one that sat in my driveway that I just didn't have the energy to install for you!
 LOL
When are we posting photos, the truck does look schweet!!!!!
Scott
2003 Excursion XLT , Fabtech 6" Lift Kit,,Gibson Catback Exhaust ,K&N Air Intake, Alpine/Infinity/XM System,Roof Clearence Lights, "C" BETR Mirrors,Thule Roof Rack, Eddie Bauer Grille, Husky Floor Liners , American Racing Outlaw II 16x8 Wheels and 33" Goodyear ATS Tires |
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THETURK
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• baltimore, MD, USA |
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• Registered on 11/25/2004 |
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• 24 posts |
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Posted:12/6/2004 15:10 |
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My>>>>>> NR
...."THE TURK"
ENJOY THE BEST TRUCK ON THE ROAD BOYS!!!!!!! 7.3 liter PSD, 4X4, Banks Turbo back exhaust, Air intake sytem, Superchip, 35" tires, A/R wheels 16 X 8, Pioneer Tune system with XM/ Navigation/ Rear Camera / DVD ,sub amps etc. ,Rear dvd , Cross drilled/slotted rotors, 2.5" Pro Comp, tint, All Black exterior, black grill and bumpers, black Rangehand front grille guard, and a amazing 36" sunroof |
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romulin
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• Smyrna, GA, USA |
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• Registered on 8/27/2003 |
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• 28 posts |
• 1 Vehicle
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Posted:12/20/2004 16:38 |
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I had this exact same problem on my 03 Excursion. It is a common problem. After many months of into Ford service they finally figured it out. My angle of the driveshaft from the rear end was not alinged properlly. Ford inserted 4 degree shims under my rear leaf springs and my problem was fixed. Now I have a slight vibration at 78 to 89. No other vibration in the vehicle.
Brian |
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