Scraping/Grinding noise at Speed - Page 2 - Ducati.ms - The Ultimate Ducati Forum
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post #11 of 12 (permalink) Old Jul 12th, 2019, 11:43 pm Thread Starter
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Join Date: Feb 2013
Location: Atlanta, GA, USA
Posts: 169
So I ripped off the front tire again and this time checked to see how the bearings were spinning.

Well.... they weren't. Couldn't even get them to move.

I was curious to see what the insides looked like and immediately could tell the bearing seal had failed. Small gaps around the inner race. There was plenty of lube though but I could barely get the balls to spin pushing with a screwdriver. I guess this explains why I could only hear the noise at higher speeds. Pretty relieved to say the least.


Here's what I ordered last night from the information I researched on bearing removal and install.

Pit Posse Wheel Bearing Remover Tool Set.



Motion Pro Bearing Driver Set




Along with some All Balls bearings/seals.

Anything I should know about the removal or install? Is there a bearing I'm supposed to remove and install first?

From the looks of the removal tool....You find the right size "remover" and fit it snug inside the bearing from the outside, flip the entire wheel over, insert the rod tool through the hub and into the remover and pound it out. Then do the same for the other bearing.

The install: Place the spacer in the middle of the hub (Unless it stays put) with the notch on the axle nut side. And hammer in the bearings until seated. Then hammer in seals.

I believe I read some info on some hubs being different sizes at each end or bearings of different diameter? I'm not sure if that applies to Ducati or my bike so hoping someone can shed some lead on the entire process. Thank You

2010 Hypermotard 1100 EVO

2010 Hypermotard 796 (Sold)
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post #12 of 12 (permalink) Old Jul 13th, 2019, 7:13 am
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Location: Hopkinton, MA, USA
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For removal, I use a drift or a flat screwdriver and tap the bearing out from the opposite side. You'll notice the internal spacer has a slot that gives access to the edge of the bearing, place the drift there and tap, rotate the spacer a bit, tap some more, keep rotating and tapping and it'll come right out. Of course, you can use your fancy bearing removal tool too! For install, I'll use a socket or an old bearing race that will fit on the outside edge of the new bearing. Gently tap it into place making sure it goes in evenly. Keep tapping until it's seated. You'll know when the sound pitch changes. Don't forget to put the spacer back in when you install the second bearing!
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Mike
2006 ST3 - 2004 KLR 650 (the Truck)
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