violent shake
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New User
Joined: Dec 2006
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violent shake
Hi I am new here , lurking for a long time great site , I have a 1982 e350 that drives fine but once in a while if you hit a bump just right the front end shakes violently. When this happens I have to almost come to a stop, when I was a teenager I test drove a truck that did the same thing and I passed on it but never knew what caused it. Getting pointed in the right direction would be a grat help thanks
Posting Guru
Joined: Nov 2004
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From: sunny fla sometimes windy
Vans carry a lot of weight on the front end and they wear out alot of front end components. Jack it up and have your strongest friend shake the wheels in the
12 to 6 oclock plane then in the 9 to 3 plane while you watch what moves too much.
Pay close attention to the rod ends and the pitman arm. A good diagnostic tool for
suspension is a cheap digital camera that can make movies, Attach it under the van
pointed at a suspected component. Go for a ride to a spot you know causes it to happen and start the camera rolling. A big c clamp makes a good mount for the camera.
12 to 6 oclock plane then in the 9 to 3 plane while you watch what moves too much.
Pay close attention to the rod ends and the pitman arm. A good diagnostic tool for
suspension is a cheap digital camera that can make movies, Attach it under the van
pointed at a suspected component. Go for a ride to a spot you know causes it to happen and start the camera rolling. A big c clamp makes a good mount for the camera.
Senior User
Joined: Jan 2005
Posts: 422
Likes: 2
From: S.C. North Dakota
Have your front wheels balanced . I have a 74 f350 with the 16 inch split rims and it did the front wheel shake thing . Well i had different tires put on and had the wheels balanced and one of the rims is really bad to balance so it is on the back for now . Some places dont or cant balance these but others can . Another idea is how good are the shocks ?
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Joined: Dec 2006
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Hi shocks are new, in kicking around older posts someone suggested increasing toe out.I looked over all front end parts to see if anything seemed loose or worn. Except for the tires being half worn eveything is tight , so I increased toe out a smidge , bingo not a hint of nervousness and no shake period. Thanks for the input
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