[Healeys] Clutch slave cylinder
Randy Alkins
r.alkins001 at comcast.net
Tue Feb 11 15:13:46 MST 2020
Spring keeps piston and cup level in and out of motion.
> On February 11, 2020 at 2:46 PM simon.lachlan at alexarevel.plus.com wrote:
>
>
> I am trying to get my head around the workings of the clutch slave cylinder in my MkII BT7.
>
> Plainly the fluid comes in the back, underneath and pushes the rod outwards ie towards the rear of the car.
>
> 1. So, what is the purpose of the spring behind the piston/rubber?
> 2. Is that (silly little) spring supposed to do anything? It certainly doesn’t seem want to push the piston anywhere……
> 3. With the slave cylinder on the bench, I can push the piston in with my thumb. Bit stiff, but I suppose that’s to be expected. How easy should it be and should it spring back?
> 4. I’ve used a rebuild kit from one of our better suppliers……are these kits problematical? I recall that, for example, the servo rebuild kits were/are notorious.
>
> I rebuilt it, reinstalled it and the whole issue was solid as a rock. No movement of the rod at all…..
>
> I’m going wrong somewhere. Surprise, surprise! But it seemed like a straightforward task and, barring some access issues, the spanner work is simple enough.
>
> Any clues?
>
> Simon
>
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