Good to know. I definitely have an example of pitting in the
cylinder... I guess a piston stuck in the same spot for 20 years with
fluid will do it!
Thanks for the feedback all. Looks like I'll be getting new sleeves or
new cylinders entirely.
On Jan 7, 2008, at 8:36 PM, WILLIAM B LAWRENCE wrote:
> The Alloy cylinders have anodized bores and honing removes the
> anodized
> layer destroying the sealing surface. The bores, in normal service,
> are not
> usually damaged and most I have seen were just coated with a gummy
> substance
> I assume is solidified brake fluid. I've always had good luck
> cleaning them
> up with dish soap and hot water. If the deposits are stubborn I use
> soft
> scrub and an old toothbrush to clean it out. Afterward I rinse them
> with hot
> water and put them in a warm oven (225 degrees will work) to dry
> them out. I
> suppose it's possible for the bores to be scratched if grit has been
> allowed
> inside or to be pitted if they have been wet, but that's unusual.
>
> Bill Lawrence
>
>
>> From: Bob Spidell <bspidell@comcast.net>
>> CC: Healey List <healeys@autox.team.net>
>> Subject: Re: [Healeys] Brake system rebuild
>> Date: Mon, 07 Jan 2008 18:57:15 -0800
>>
>> Carl Johnson wrote:
>>> Didn't realize this. Is that different from typical old American
>>> cars? That's mostly where I have my experience.
>>>
>> Yep. Think most American cars--older ones anyway--have iron
>> cylinders.
>> BTW, my BJ8's original M/Cs were aluminum, but the newer replacements
>> were iron (rear slaves are Al). There's some disagreement as to
>> which
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