In this case when the piston came out of the SS it was obviously under a
ton of pressure. It didn't pop all the way out but I was just starting
to see the rubber seal. I ended up pushing out the pin on the pushrod
to disconnect it from the clutch to get the pressure off.
Rocky Frisco wrote:
> Tim Holt wrote:
>
>> Hmm something else that came to mind after the fact. There's no
>> little ring on the SS that holds the piston in. There should be,
>> right? Its dawning on me that without that ring, the piston might
>> get too far out, lose it's seal a bit, and then not be pulled back in
>> when you let up on the clutch. Would that make sense?
>
>
> That has been my experience on every MG I ever worked on. None of them
> had any sort of limiter to prevent this.
>
> The action of the clutch usually prevents the overthrow unless the
> clutch has gone bad. My MGB-Based Victor Special lost some clutch
> facing a few years ago and the SS piston came out the end of the Slave
> Cylinder.
>
> Year ago, my MGA was stuck in snow (in Ontario, Canada) and I was
> "rocking" the car to try to get it unstuck; somehow I hit the clutch
> too many times in rapid succession, accidentally pumping it up, so
> that the piston came out of the Slave Cylinder. I had to have the car
> towed to a warm garage where I could remove the Slave and rebuild and
> refit it. The seal had been cut when the piston came out.
>
> -Rock http://www.rocky-frisco.com
> --
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