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Old 08-09-2017   #1
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Disconnection of hydraulic pipe to clutch

There is a chunky "quick" connector in the solid pipe to the slave cylinder on the clutch. It's located near the passenger wheelarch. For some reason the casing has cracked rendering theclutch inoperative and it seems I will need to replace the second part of the pipe onto which this coupling is bonded.
The local Fiat dealership want almost 400 (including VAT) to replace it. I can probably pick one up off Ebay for 25 and even a new one has got to be a lot cheaper than that. The only thing is that I can't move the plastic collar on the fitting to disconnect; has anyone got any hints please?

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Old 08-09-2017   #2
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Re: Disconnection of hydraulic pipe to clutch

Half-way sorted now.

The connector wouldn't separate in the manner described elsewhere on the Forum and that turned out to be connected with the reason why it cracked in the first place. It appears that moisture/road-salt has entered around the joint and seized it together, possible expanding in the process and cracking the connector.
I used a Dremel to widen the crack and and pulled it apart. The corrosion damage may mean that both sections of pipe need to be replaced. The correct, brand-new "Luk" pipe which includes a new slave-cylinder was only 23 on eBay. I bought the other one, which includes the master-cylinder and fluid reservoir, for 25 plus postage.

Almost 350 saved and not a particularly difficult job either.
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Old 09-09-2017   #3
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Re: Disconnection of hydraulic pipe to clutch

Well done and thanks for the update. 400 indeed!
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Old 12-09-2017   #4
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Re: Disconnection of hydraulic pipe to clutch

Quote Originally Posted by fiat500 View Post
Half-way sorted now.

The connector wouldn't separate in the manner described elsewhere on the Forum and that turned out to be connected with the reason why it cracked in the first place. It appears that moisture/road-salt has entered around the joint and seized it together, possible expanding in the process and cracking the connector.
I used a Dremel to widen the crack and and pulled it apart. The corrosion damage may mean that both sections of pipe need to be replaced. The correct, brand-new "Luk" pipe which includes a new slave-cylinder was only 23 on eBay. I bought the other one, which includes the master-cylinder and fluid reservoir, for 25 plus postage.

Almost 350 saved and not a particularly difficult job either.
Any chance of the link to the pipe/master cylinder? I have the other pipe to replace with the slave cylinder due to corrosion where it meets the slave cylinder? replacing both with new will be far easier than trying to separate the connection even though it "should" be a simple task of pushing in the plastic release part, but then nothing on the Fiat is that easy where rusting/corrosion is?
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Old 12-09-2017   #5
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Re: Disconnection of hydraulic pipe to clutch

Quote Originally Posted by John303030 View Post
Any chance of the link to the pipe/master cylinder?
Postage is a bit steep as it's from Poland, but you're thinking like me and I think it's worth it.


http://www.ebay.co.uk/itm/NEW-GENUIN...72.m2749.l2649
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Old 13-09-2017   #6
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Re: Disconnection of hydraulic pipe to clutch

You'd likely get away with using a pipe joiner & suitable clips. The hydraulic pressure is nowhere near as great as that in the brake circuit (and it doesn't have the same safety issues, either).
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Old 15-09-2017   #7
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Re: Disconnection of hydraulic pipe to clutch

Quote Originally Posted by jrkitching View Post
You'd likely get away with using a pipe joiner & suitable clips. The hydraulic pressure is nowhere near as great as that in the brake circuit (and it doesn't have the same safety issues, either).
I will remember that advice when this happens again. A 3 connector would easily do the job although I'm not sure of the pipe size
for ordering one.

I got the job sorted within an hour and a half and it worked first time...no bleeding. So we now have an entirely brand new clutch hydraulic system fitted for 65 all in.

I will save the old setup as spare parts should the master or slave cylinders fail in the future.

As a precaution I've coated the connector with spray grease as an attempt to keep corrosion at bay.
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Last edited by fiat500; 15-09-2017 at 20:08.
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