Lotus Elan

Clutch slave cylinder

PostPost by: peterlotuselan » Fri Mar 15, 2019 11:30 am

Help, I recently rebuilt my engine, and replaced the bell housing, now I find the hydraulic elbow coming out of the slave cylinder is touching the exhaust manifold, has anybody had such an issue and how did you solve? Is there a shorter elbow one can get to fit into the slave cylinder?
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PostPost by: elansprint71 » Fri Mar 15, 2019 3:23 pm

Have you got an issue with your engine mounts? Or has something else changed.


Shouldn't be a problem with getting an elbow and fittings from somewhere like Burton Power.
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PostPost by: peterlotuselan » Fri Mar 15, 2019 6:33 pm

Thanks for the suggestion I will have a look at the engine mounts to see if maybe that is the case.
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PostPost by: oldelanman » Fri Mar 15, 2019 6:49 pm

What pipe and fittings do you have ?
I changed to a one piece braided stainless hose and had a similar issue - it was too close to the exhaust although not actually touching. I improved the clearance by shortening the fitting into the slave cylinder and using a copper washer to seal instead of the taper seat.
clutch-pipe-routing-003.jpg and
clutch-slave-002.jpg and
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PostPost by: SENC » Fri Mar 15, 2019 11:51 pm

You could change to a banjo connection, though I agree it shouldn't be close now than before unless something else changed.
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PostPost by: Famous Frank » Sat Mar 16, 2019 4:52 am

Roger,

Nice installation! Very nice indeed!

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PostPost by: oldelanman » Sat Mar 16, 2019 10:15 am

Thanks Frank.
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PostPost by: peterlotuselan » Thu Apr 04, 2019 9:04 am

Thanks for the thoughts, I will take a picture to show but I think the idea of shortening the fitting into the slave cylinder is probably the way forward. I think I might also be able to move the slave cylinder back a bit as it is a bit slack in the bell housing section.

I will of course let you know the outcome but thanks again for the ideas, much appreciated.
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PostPost by: Craven » Thu Apr 04, 2019 10:37 am

SENC wrote:You could change to a banjo connection, though I agree it shouldn't be close now than before unless something else changed.

By far the best and easy fix, parts are available so you can just change to banjo no need for new pipe and can be done in situ if needed.
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PostPost by: JonB » Fri Apr 05, 2019 8:35 am

Quick question about the banjo fitting - is it supposed to seal against the body of the cylinder with a copper washer and if so, don't you need to ensure the cylinder body is flat (no dings or scratches)?
Late 1972 Elan Plus 2S 130/5 - UK - Unit 50/1115L
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PostPost by: Craven » Fri Apr 05, 2019 11:04 am

Yes, but no problem with sealing of the copper washer, you could swop over to the bleed nipple hole as this has a machined surface.
With a slight modification to the sandwich plate the cylinder can be rotated to put the bleed nipple to the highest point of the cylinder.
slave.jpg and
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