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Bad Shimmy from the front end at 60? ......... Wheel bearing?

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seamaster

Bad Shimmy from the front end at 60? ......... Wheel bearing?
« on: August 24, 2007, 07:50:11 AM »
At go it shimmies

Rotor?

Wheel bearings?

any other suggestions on what to look for?
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Offline SnoFalls

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Re: Bad Shimmy from the front end at 60? ......... Wheel bearing?
« Reply #1 on: August 24, 2007, 11:01:40 AM »
steering column joint (aka rag joint)
tierods
steering box (unlikely, but they can wear)
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seamaster

Re: Bad Shimmy from the front end at 60? ......... Wheel bearing?
« Reply #2 on: August 24, 2007, 11:03:06 AM »
Thanks
 ;D
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Offline Rhinoman

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Re: Bad Shimmy from the front end at 60? ......... Wheel bearing?
« Reply #3 on: August 24, 2007, 11:36:59 AM »
Are we talking Sammy or Tracker? Sammy could be Kingpins or steering stabiliser.
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Offline reb

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Re: Bad Shimmy from the front end at 60? ......... Wheel bearing?
« Reply #4 on: August 24, 2007, 12:01:57 PM »
Tires out of round or unbalanced have caused vibrations for me, usually around 60 mph.
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Offline Uncivilized

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Re: Bad Shimmy from the front end at 60? ......... Wheel bearing?
« Reply #5 on: August 24, 2007, 03:23:27 PM »
Quote from: reb on August 24, 2007, 12:01:57 PM
Tires out of round or unbalanced have caused vibrations for me, usually around 60 mph.
Yup, plenty of times for me... and actually right now I have one out of balance ;) I've lost weights a couple times wheeling, got a re-balance and all was good.
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Offline SnoFalls

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Re: Bad Shimmy from the front end at 60? ......... Wheel bearing?
« Reply #6 on: August 24, 2007, 04:26:07 PM »
throw a golf ball or 2 into the tire and it'll help too :)
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Offline mrfuelish

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Re: Bad Shimmy from the front end at 60? ......... Wheel bearing?
« Reply #7 on: August 24, 2007, 08:48:07 PM »
only over 27 mph LOL.
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Offline JoeCool

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Re: Bad Shimmy from the front end at 60? ......... Wheel bearing?
« Reply #8 on: August 25, 2007, 10:34:52 PM »
Could Also be caster set too low. Too much caster and and it's hard to turn at slow speeds too little and it will shimmy or wonder above a given speed. Given that our zuks where mostly designed to run at 55ish they don't have a lot to start with and a little set back from bumping the front wheels can alter it further back. Hunting for zebras I know but it's true. Wider tires/rims on stock backspacing will increase rolling resistance outward of the designed center of load making it toe possitive at speed.                             NMc
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Offline beercheck

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Re: Bad Shimmy from the front end at 60? ......... Wheel bearing?
« Reply #9 on: August 26, 2007, 07:44:03 PM »
Just for grins, make sure your lug nuts are tight.  Like, now.
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Offline 87Sam87

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Re: Bad Shimmy from the front end at 60? ......... Wheel bearing?
« Reply #10 on: August 27, 2007, 10:09:40 PM »
   On my Sammy I had a bad steering damper and the the front end would shimmy like crazy between 50-60 mph.
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seamaster

Re: Bad Shimmy from the front end at 60? ......... Wheel bearing?
« Reply #11 on: August 28, 2007, 06:18:02 AM »
ROFLMAO

Thanks for the Lug nut suggestion! cute and the golf balls ( Im sure there is a story behind that )

But yes thanks for the (crash course) i use that in fear.... in sami front end issues.

It looks like in investigation too much mud threw it terribly out of balance!
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