Thanks for the info on silicone fluid issues. I was unaware of this
swelling problem. I was speaking of the
rubber-dissolving-into-goop-and-losing-brake-pressure-or-weeping-fluid
problem. I deal with that by using Castrol LMA. I have never considered
using silicone fluid myself, so I withdraw any implied endorsement.
Dodd, Kelvin had this to say:
>Not everything works with everything else. Is about the only true statement
>on the Silicone brake fluid issue.
>
>This is all undocumented spouting, so take it for what it is worth.
>
>1. All silicone fluids are not the same. Rubber swelling ingredients have
>been added that have had good results and bad results depending on the type
>of master cylinder. There is no way of knowing when and what were added to
>different brands at different times. This means that as usual, sweeping
>generalities indicate lack of specialized knowledge.
>
>2. In some applications, the swelling of rubber seals encountered with some
>types of silicone brake fluid can cause brake master cylinder problems.
>
>3. It is well nigh impossible to completely clean out a used brake system.
>Any contaminants (such as water) in the system can congeal into gelatinous
>corrosive globs that can destroy a brake master cylinder.
>
>4. Silicone brake fluid seems to hold up really well to long term storage.
>Much better than regular brake fluid.
>
>5. Silicone brake fluid holds up so well to storage, that one can forget
>that the system was converted and top up with regular fluid.
>
>6. Topping up a system with regular fluid immediately lets you know if the
>two types are really compatible. Usually they are not.
>
>7. Following long term storage, silicone brake fluid makes an excellent
>brake pad lubricant.
>
>
>Kelvin.
>
--
Max Heim
'66 MGB GHN3L76149
If you're near Mountain View, CA,
it's the red one with the silver bootlid.
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