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Low Speed Grinding/Vibration

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Old Sep 20, 2020 | 06:07 PM
  #1  
Jon Shankle's Avatar
Jon Shankle
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Default Low Speed Grinding/Vibration

Hope y'all can help me out.
2018 FLHTK 27,000 MILES.
It has developed a low speed kinda grinding feeling in the floor boards. Not really a sound but more of a feeling.
Happens under 10mph. At speed it feels like there is a little more vibration in the floor boards than there used to be.
I've changed the Primary fluid and transmission fluid twice in the last week looking for debris, and the dealership did the 25 k service about 3 weeks ago.
New tires and new brakes on both ends.
I'm at a loss, and running out of warranty soon.
Thanks
 
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Old Sep 20, 2020 | 06:46 PM
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Does new tires mean new bearings ? If you can raise the front end , spin the front tire and listen , best if you remove the calipers . You could also use the old screw driver or hose trick and hold it to your ear against the axle . If the bearings are bad , you'll know it . Chances are , if the front ones are gone , so are the rear ones .
 
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Old Sep 20, 2020 | 07:30 PM
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Is there a significant difference between the tread pattern of the new tires and the old ones?
 
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Old Sep 20, 2020 | 07:51 PM
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Jon Shankle
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Originally Posted by btsom
Is there a significant difference between the tread pattern of the new tires and the old ones?
No, they are the exact same, and this started before the new tires.
 
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Old Sep 20, 2020 | 07:52 PM
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Originally Posted by MyFavRk
Does new tires mean new bearings ? If you can raise the front end , spin the front tire and listen , best if you remove the calipers . You could also use the old screw driver or hose trick and hold it to your ear against the axle . If the bearings are bad , you'll know it . Chances are , if the front ones are gone , so are the rear ones .
I'll check out the bearings tomorrow,
I'll let you know.
 
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