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Dried up brake fluid
https://slantsix.org/forum/viewtopic.php?t=30745
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Author:  Hemitym [ Mon Aug 25, 2008 10:09 pm ]
Post subject:  Dried up brake fluid

I looked in the search and could not find anything relative to this, and hope it is not unappropriate for here.
What will disolve old dried out brake fluid?
I don't know what type of fluid it is, it is in the lines and fittings and looks like a rusty, papery residue.
It is not in a slant but in a 1985 challenger motorcycle trailer with disc brakes, the master cylinder tank was completly rusted away after sitting for many years.
I plan on replacing the lines but need to remove it from the other parts.
Thanks, Wayne

Author:  Pierre [ Mon Aug 25, 2008 10:16 pm ]
Post subject: 

I haven't seen brake fluid dry... nifty.

Pardon the obvious, but, how about brake cleaner?

Author:  emsvitil [ Tue Aug 26, 2008 1:41 am ]
Post subject: 

I clean up non-dried up brake fluid with plain old water.

So I'd try that first.

Author:  Guest [ Tue Aug 26, 2008 8:19 am ]
Post subject: 

Rubbing Alcohol will clean it, run it through the entire system and let it sit for a while. After that HEAVILY flush the system with brake fluid.

Author:  Hemitym [ Tue Aug 26, 2008 12:16 pm ]
Post subject: 

(Rubbing Alcohol will clean it, run it through the entire system and let it sit for a while. After that HEAVILY flush the system with brake fluid.)

Thanks, I told my wife that I thought you could use alcohol, but could not remember if that was correct.
Some of the time at my age CRS sets in. Thanks again.
Wayne

Author:  steponmebbbboom [ Tue Aug 26, 2008 2:59 pm ]
Post subject: 

with that kind of rust contamination, replace the entire brake system. do not salvage anything.

you will have to sleeve the master and wheel cylinders, if they can be rebuilt at all. the condition of the fluid and how to dissolve it are completely immaterial at this point.

if the line fittings are stubborn, your only chance is to heat them up with a torch and force them out with visegrips. good luck~

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