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Re: MGB clutch master-slave cylinders

Subject: Re: MGB clutch master-slave cylinders
From: Bill Glanville <>
Date: Sun, 14 Apr 1996 18:03:30 -0700 wrote:
> To all,
> I'm into my 1973 clutch system this Sunday morning.
> I have three MG's and have been into all of their clutch mechanisms at one
> time or another. This times a little different.
> Usually you can't get enough travel from the master-slave system due to air
> (or other more difficult problems). Today I am finding I am geting too much
> travel. That is, the strokes of the peddle are having an additive effect
> which, after about three peddle strokes, over-travels the slave, poping the
> piston out of the bore.
> The slave looks ok. sounds like master cylinder problems to me. Anyoneone
> else seen this twist? Sounds like the master is not receiving back the fluide
> from the previous stroke. I replaced the hose last night so there is no
> obstruction in this puzzle.
> I'm going to start to take the master off and will log back on in a few
> minutes to see if anyone else has seen this.
> R. Johnson
> RJohn50603@aol.comMost likely the return port in the clutch master is getting 
>clogged with 
dirt. On pedal return some fluid should also return to the master.If it 
can't then pressure remains on the slave side and under the next press of 
the clutch pedal more fluid is forced into the line pushing the slave out 
even further. I had a similar problem with an MGA brake master one time.
Bill Glanville                 58,59,60 MGA's         
Scottsville NY                 67,70 MGB's       60,61 TR3's

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