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concentric clutch slave cylinders recommendations

blakep82 - 7/10/08 at 10:30 PM

having a bit of a nightmare with the clutch (as ever...)

2.0 ecotec, type 9 box, vauxhall clutch cover, sierra clutch plate.

got a mondeo clutch cylinder from someone off here, should do the job nicely, decided, just out of easyness, to buy the mount and spacer. was easier than trying to get someone make it for me, and i don't have a lathe

but the o.d (89mm) of the spacer is too small for the bolt holes on the cylinder... grrr...

can anyone recommend me a a cylinder which will fit on the spacer?

Dusty - 7/10/08 at 10:39 PM

Could you make up an adapter plate in 3mm steel. Drill and tap the spacer and fit the plate to it with countersink screws. Then fit the cylinder to the plate.

blakep82 - 7/10/08 at 10:50 PM

ah, good call, i shall have to investigate.
would self tapping screws into ali be strong enough though? i would guess there would be some pretty high torque in there at times? though the bearing should do away with most of that

owelly - 7/10/08 at 11:03 PM

My Mondy slave was relying on just the flexi pipe to stop it spinning when the 'anti-rotating bolt' fell out!!
I would say that the self tappers would be unsuitable. Get some countersunk machine screws.

blakep82 - 7/10/08 at 11:32 PM

i'll have another look tomorrow when i'm not pretty fed up with the whole thing lol

the plate could be held on by the normal bolts which attach the spacer to the gearbox mount, them cap heads and nylocs to hold the cylinder to the plate i guess

andylancaster3000 - 8/10/08 at 09:02 AM

One of the most commonly used cylinders is a Saab slave. Exactly which I don't know, but you could do a search and stuff about it will come up.

We used a slave from the original vectra and made a mounting boss for it. These cylinders are pretty cheap and have a simple single fluid input. You have to mount it with original the ally bleed attachment or make a similar as it has a single fluid input to the cylinder that I still can't get my head around how it bleeds properly but seems to work a treat!

So it might be worth seeing if either of these fit, you can always take them back if they dont!

NS Dev - 8/10/08 at 04:33 PM

I used the saab one, pretty sure its under 89mm bolt circle.

Its the one as fitted to all saab 900's in 1987 for an example year

MikeRJ - 8/10/08 at 05:14 PM

quote:
Originally posted by blakep82
got a mondeo clutch cylinder from someone off here, should do the job nicely, decided, just out of easyness, to buy the mount and spacer.

Where did you get the mount and spacer from? If it's like the one Burtons sell it's designed for a universal slave cylinder (which they also sell), so no surprise the Mondy one doesn't fit.

blakep82 - 8/10/08 at 05:37 PM

yeah, its the burton spacer. i just didn't facy bbuying their cylinder for Ł100...

saab is a good call.

is there any which 'happen to fit' the spacer ive got, bolt hole wise?

blakep82 - 31/10/08 at 04:33 PM

ha ha ha! it works!

clutch1

clutch2

clutch3

clutch4

cliftyhanger - 1/11/08 at 09:50 PM

Now that looks like a plan....mondeo CSC eh?

blakep82 - 1/11/08 at 09:57 PM

the very same. the nuts have been welded to the 3mm plate now not just super glued... all seems to work well. on the bolts between the slave and the 3mm steel, i have put a lock nut in (i might put 2) so that, and maybe some threadlock should see everything stay in place