<<I'm sure my buddy Ed will correct me,>>
Moi, Allen<G><G>!!
<< but I am going to take a stab at what
the o-ring does. Brake fluid has to get across the halves of the caliper to
get to the other piston, so there must be a hole matched to a hole in the
other side. I would think that the o-ring is a seal around the holes to
prevent brake fluid from soaking the gasket.>>
Well, you was doin' jus' fine 'til here<G>. No gasket, but a gighly
machined pair of surfaces. "o" explaination great.
<< I can't see how this o-ring
could get damaged from normal use. I guess it could break down after many
years,>>
Yep. Even seen them "pinched" when un-train person did do the "split".
<< but I don't know the half-life of nitrile rubber. The o-ring has to
be the correct size, too big and it will close the hole when you reassemble
the halves, too small and it won't do anything at all. It also must be
resistant to brake fluid, which I believe is nitrile rubber. (?)>>
Compisition, I am not sure of, but your explaination is again "right on
target".
<<So if you don't have brake fluid seeping out between the halves of the
caliper, don't take it completely apart and you will probably be fine.
A word of warning here - If you are not sure of what you are doing with
brake
work, send your calipers out to a reliable rebuilder like White Post
Restorations. Even if your car doesn't go real fast, you want it to
stop!!!>>
A M E N !!
<<Safety Fast!>>
Ditto.
Ed
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