bad shaking
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Junior User
Joined: Oct 2007
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bad shaking
hey guys. i just bought a 91 f-350. when i get it to about 40-50 mph the whole truck shakes bad and the steering wheel also. does it weather im on or off the gas. if i am below or above that its alright. was woundering if you had any ideas. would umproperly balanced tires be a cause (6in suspension lift, 3 body, 38's). or maybe a improperly balanced driveshaft? ? any help is appreciated
Posting Guru
Joined: Jul 2007
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I would be suspiscious of several things.
First off because of the lift i would guess that whoever put it on likely didnt re-align proper caster/camber.
Or also if it has a 2 peice driveshaft, there could be alot of vibration if it was not shimmed after a 6" lift. Feel both sections of your rear driveshaft, neither should be able to move side to side in relation to the other.
First off because of the lift i would guess that whoever put it on likely didnt re-align proper caster/camber.
Or also if it has a 2 peice driveshaft, there could be alot of vibration if it was not shimmed after a 6" lift. Feel both sections of your rear driveshaft, neither should be able to move side to side in relation to the other.
Senior User
Joined: Mar 2005
Posts: 257
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From: ND
I've had the same problem about 4 time on my E-350 Van with a Quigley front end I change the front stabilizer bar and away I go again. I also experienced this with my 2000 Expedition the problem there was excessive wear on my front tires. I replaced the tires and sloved the problem. I hope this Helps and Good Luck.
Posting Guru
Joined: Mar 2007
Posts: 1,757
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From: Florida
must be some aggressive tires...swampers or groundhawgs?could be the balancing or could be a bubble...are they radials or bias ply?Could also be the driveshaft like you said or the joints like Godblessmud stated.....Luck
JR
JR
