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Author: Subject: thread sealant
blakep82

posted on 2/10/11 at 11:18 PM Reply With Quote
thread sealant

not keen on ptfe tape and stuff myself for hydraulic lines, so what loctite thread sealer can be used on clutches and brakes?
what ones are safe? got a thread i just can't stop leaking. doesn't help with it being on the clutch slave, in the bell housing, where i can't really get a spanner on it properly.
if there isn't one, i don't fancy it as another engine out job... not filled the brakes properly yet, don't think they leak.
tbh, i'd be a bit unsure about using any type of thread sealer in the brakes, but when needs must,..

any recommendations?
peferably one i can get in halfords

[Edited on 2/10/11 by blakep82]





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Alan B

posted on 2/10/11 at 11:56 PM Reply With Quote
Surely you haven't got a tapered thread on a slave cylinder? I be surprised if you did, and therefore I wouldn't want tape or sealant anywhere near it. Isn't it just a regular flare on the pipe end?

Alan

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blakep82

posted on 3/10/11 at 12:20 AM Reply With Quote
yep regular straight threads, but thinking about it, the slave is aluminium, the flexible hose has a flared pipe part to it, with a swivel nut, but is stainless steel, so won't squash to the shape of the fitting like a flared copper pipe would.
all of the fittings i have are stainless into steel or aluminium
i def don't want tape on them, but i think some sort of sealer might be needed...





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cliftyhanger

posted on 3/10/11 at 07:59 AM Reply With Quote
Copper washer? that's what seems to be used on a lot of wheel cylinders on older cars. Relies on the thead not bottoming out of course.

Otherwise maybe a lengthy of copper/kunifer pipe to join the flexi to the slave? I would avoid sealants here, it isn't the place. How is the slave fitted in the OE application, should give you a clue.

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blakep82

posted on 3/10/11 at 11:11 AM Reply With Quote
the slave cylinder is the rally design one, and they only sell flexi hoses to go into it, so thats all i can assume from that.
the fitting does bottom out in the hole i think, will need to have another look to be sure. its not a banjo bolt into it either. not a fan of hydraulic brake and clutch lines now...
will try and get under for another look. i guess its looking like a engine/gearbox out job again...





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cliftyhanger

posted on 3/10/11 at 12:28 PM Reply With Quote
Contact RD and ask them about it. They ought to know the answer
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rusty nuts

posted on 3/10/11 at 07:27 PM Reply With Quote
In 44 years in the motor trade I have never used sealant on a brake pipe or hose and the same applies to clutch hydraulics.
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blakep82

posted on 3/10/11 at 07:33 PM Reply With Quote
fair play! 44 years beats my 2 weeks!
maybe i'll have to modify a deep socket to get in, or a sort of box spanner, to allow the hose to come out the side.
i really hope it just needs an extra tighten which i currently can't do due to where it is. i've done the best i can with it how it is though

inagine a 2" x 4" cut out in the bell housing, with the hose nut about 1" deep intside it. the best way i can get a spanner on is at an angle, and i can't turn it any tighter





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