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From: Mark J cleary <mcleary08@comcast.net>
Newsgroups: rec.bicycles.tech
Subject: Re: Bleeding Disc's
Date: Thu, 20 Mar 2025 15:44:34 -0500
Organization: A noiseless patient Spider
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On 3/20/2025 2:46 PM, cyclintom wrote:
> I can't say what's going on. The fact that you had to bleed the rear brakes backwards but I cured the front brakes which you would think wouldn't be a problem since it is all vertical hoses was amazing. Bleeding that brake from top to bottom releases a lot of air bubbles after which the disk levers were hard and with about a half way pull to lock.
> 
> The levers with the bleeding cap off appeared top be full of liquid so the levers were full and it couldn't be air trapped somewhere in the levers.
> 
> 
> but installing a funnel and filling it half way and using the syring on the bottom pulled a great deal of air out of the system.
> 
> So while the Shimano instructions and most of the videos showed bottom to top, bleeding trom top to bottom as one video, made by a woman mechanic seems to be the only way to get the brake properly bled.

I have done it both ways and all seem to work about the same. However 
getting in a hurry and not letting things settle is a problem. This 
youtube video I watched is great and this works great.

https://www.youtube.com/watch?v=brLF56banjs

-- 
Deacon Mark