From: Dave Cole (DavidCole@tk7.net)
Date: Wed Jul 10 2002 - 16:14:52 PDT
I agree that if oxygen can't get to the water (sealed system), then the only way corrosion of the iron brake part could occur is if the water molecules (H20) split
allowing the oxygen atoms to combine with the iron to form iron oxide. (rust) I don't believe that oxygen flows very freely through silicone fluid, so where does
the corrosion (if any) come from.
The other magazine articles I have read regarding silicone brake fluid have said that it was used for two purposes, allow the brakes to run hotter without fade
caused by fluid boiling, and the elimination of corrosion.
Dave
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
7/9/2002 4:41:24 PM, "Paul A. Thomas" <pt@jaxkneppers.com> wrote:
> > Is your comparison valid? The brake system on a deuce is not really sealed.
> > It has a vent, open to atmosphere. I would assume that both moisture and
> > oxygen enter the system at that point.
>
>Question: my understanding is that the vent tube on top of the master
>cylinder is not needed. It is there primarily to allow for venting when
>fording water (??? why wouldn't a closed system do then? ) The new
>master cylinder I just ordered does not have a vent opening in the metal
>screw top... I plan to operate it that way unless I learn it might
>jeopardize the brake system's integrity. With a sealed system like this,
>how might water get into it and cause corrosion? If a wheel cylinder fails
>and leaks that will normally be caught fairly quickly: flush the system
>after rebuilding the wheel cylinder and you're back to tight integrity.
>
>?
>
>
> Paul
>
>
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