Yes, seal takes the wear.
So when restoring my slave cyl. I made the inside of the piston smooth with
a fine emery cloth.
Renewed the seal and used a bit of "brake" grease and it still is working
fine.
Cheers,
Hans
----- Original Message -----
From: "Paul Hunt" <paul.hunt1@blueyonder.co.uk>
To: "Barney Gaylord" <barneymg@MGAguru.com>; <mgs@autox.team.net>
Sent: Wednesday, September 20, 2006 1:18 PM
Subject: Re: Clutch slave piston, MGA early MGB
> The Leyland Parts Catalogue only shows one part number for all 4-cylinder
> clutch slaves, so no concept of early and late MGB types. Having said
> that, whether the piston is alloy or steel I don't know. Was it cocked
> *inside* the bore? I have seen them cocked at the end of the bore when
> the release bearing or some other part of the mechanical linkage to the
> cover plate broke and successive pumps of the pedal pushes the piston out.
> Does the piston wear? I would have thought it would be the seal taking
> the wear, largely holding the piston itself clear of the cylinder walls.
> Could the cylinder have been opened out too much? Or a mismatch between
> piston and cylinder?
>
> PaulH.
>
> ----- Original Message -----
>
>> Since I don't have a spare in hand, can somone tell me if the MGA (and
>> early MGB) clutch slave cylinder is supposed to have a steel or aluminum
>> piston?
|