Bad shimmy , wobble - Ford Powerstroke Diesel Forum
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Old 02-14-2010, 08:11 PM
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Bad shimmy , wobble

I have an 06 F250 ,i have a 6" lift and have had it installed for 3 years now and never had this problem. But lateley when Im doing about between 15 to 25 mph and hit a little bump or even just that the road is a little uneven i get this terrible shimmy like the front driver side tire wants to come off, and theres no driving through it i have to almost completely stop . it never happens when im at high speed only in that range. has anyone expirienced this or have any idea whats going on i would really appreciate any help. My wife is afraid to get in it .....
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Old 02-14-2010, 09:07 PM
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what's the ball joint look like?
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Old 02-14-2010, 09:24 PM
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Search "death wobble", Ford knows it's a big problem. They say it's due to tire underinflation. I had the same problem with my 6" pro-comp on 37's. I threw away the stock steering stabilizer and installed dual DR (icon) gas charged stabilizers. Goodbye deathwobble...
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Old 02-15-2010, 01:26 PM
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Also check (or have it checked) your rotor for warping. Also you may have a cliper piston hanging up a little. Have you put a digital lazer thermo gun on it and compared temps with tthe other wheels? $26 bucks at Harbor Freight. Good tool to have.
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Old 02-15-2010, 01:36 PM
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Definatly check everything up front. Tie rod ends, ball joints, drag link, and steering stabilizer. Grab ahold of everything and try to shake it back and forth, there should be no play. Jack up each wheel and grab the top and bottom of the tire and try to move the tire/wheel back and forth and then do the same thing side to side. You shouldn't feel any play, if you do up and down check behind the wheel to see if it's a ball joint or a wheel bearing. If there's play side to side it's probably a tie rod end or the drag link. Finally check your lug nuts and tire pressure. As said before low tire pressure can cause the "death wobble."
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Old 02-15-2010, 01:45 PM
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Thank`s for the suggestions ,I do have dual steering stablilzers and traction bars , but i will try the other suggestions...Thank`s
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Old 02-15-2010, 05:23 PM
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check your drag link for sure mine snapped off at the ball joint but mine had no wobble or anything before hand. Right at 100 bucks for new drag link the whole thing upper and lower.
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Old 02-15-2010, 08:38 PM
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Just FYI, there is a HUGE difference between pro-comp/fabtech/rancho hydraulic stabilizers and gas charge DR/Rize w/Fox stabilizers... the hyrdaulic's are essentially short shocks. The gas charged stabilizers will actually drive your wheels back to center all of the time rather than just dampen the "shock" in the system. I know of guy's who tried to cure death wobble with hydraulic shocks to no avail then later cleared up with expensive DR/Rize setup's with gas stabilizers.
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