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Re: TR6 leak at clutch slave cylinder?

To: jlumia@ball.com
Subject: Re: TR6 leak at clutch slave cylinder?
From: jay_welch@juno.com
Date: Wed, 19 Feb 2003 12:25:56 -0500
Cc: levilevi@attbi.com, rsh17@MSN.COM, triumphs@autox.team.net, 6pack@autox.team.net
Hi John,

What you say makes sense but....I lightly honed and rebuilt my MC two
years ago, use DOT3 and haven't had a problem.  Still a high pedal, even
braking and no leakage.  Hope I didn't just jinx myself.

Jay Welch, Abington MA
Secretary, "Cape Cod British Car Club" 
http://clubs.hemmings.com/capecodbritish/
1973 TR6 driver
1971 TR6 project

=============

On Wed, 19 Feb 2003 09:34:13 -0700 "Lumia, John" <jlumia@ball.com>
writes:
> Richard and Bud
> 
> My two cents but I just had my clutch MC sent to Apple Hydraulics 
> for a
> resleeving job (~$40).  According to them, the aluminum MC, new or
> otherwise, is usually responsible for the dark fluid.  BTW using a 
> hone
> on the clutch MC will ruin it because of a coating that is applied 
> to
> the inside of the MC at manufacture.  The hone will remove the 
> coating
> and score the aluminum, according to Apple.  After that the slave 
> may
> hold for a few weeks but will leak again.
> 
> Still sounds like a slave problem to me.  If your MC was leaking, I
> think it will will leak inside the car.  The slave should be nice 
> and
> shiny, no ridges or grooves.  The slave is steel so you can hone it, 
> but
> I believe you do not want to make a cross-hatch by running the hone 
> in
> and out quickly.  Move the hone slowly while spinning to minimize
> cross-hatch.
> 
> John Lumia
> 76 TR6
> 
> Richard wrote:>
> - -The fluid usually gets dark because of contamination 
> (deteriorating
> seals or
> moisture). This could be either the slave or master.
> - -When rebuilding hydraulics, you will need a cylinder hone, 
> available
> at any
> parts store. make sure you hone all the pits and scratches out of 
> the
> bore.
> 
> Bud wrote:>>
> The fluif is leaking out at the clutch slave cylinder but am I 
> convinced
> 
> that's the source of the problem?  No.  Do I know that it's a 
> problem
> somewhere else? Again, no.  My question to the collective is: could 
> the
> clutch
> MC be the problem given that there was a lot of black looking gunk 
> in
> the
> bottom of it that suggests seals disintegrating?  Would the MC not
> holding
> fluif cause fluif to leak out the slave?  Or possibly both had the 
> same
> deteriorating seals at the same moment in time?  This is mostly a
> curiosity
> question since I ordered the kits to rebuild both...but I'm just
> wondering????????

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