Bluemoon
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| posted on 14/12/08 at 10:58 AM |
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Flexy hose to caliper joint?
Hi all,
I have some braided hoses as supplied by MK sports cars. Do I need a (domed) shaped (dowty?) copper washer to fit on the end of the the hose fitting
and caliper (i.e so the seal is Steel caliper - copper - Steel hose fitting, with the domed copper washer inside the caliper body)?
Or can I just go Steel caliper - Steel hose fitting? I think this is how the donner was?
Dab
[Edited on 14/12/08 by Bluemoon]
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mistergrumpy
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| posted on 14/12/08 at 11:08 AM |
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You've just asked the same question as me and you've already answered mine below!  My answer now would be that the front calipers have
a slight circular recess around the hole for the brake hose. I went to the brake shop and asked if he had any copper washers for this and he came up
with them. They fit this recess perfectly so I would say yes, use them.
The standard Sierra pipes didn't have them I don't think but I think that the hoses had a convex end so that it mated face - to - face
with the concave thread in the caliper.
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Bluemoon
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| posted on 14/12/08 at 11:18 AM |
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Not quite (I think); Need to put this more clearly is the correct way:
1) Convex Steel Hose - shaped copper washer inside caliper (i.e down hole) - Concave caliper body.
Or
2) Convex Steel Hose fitting - Concave Caliper body..
i.e. not on the out side of the caliper, I think this machined surface is for a bango type hose fitting, and then you use a flat copper washer?
Dan
[Edited on 14/12/08 by Bluemoon]
[Edited on 14/12/08 by Bluemoon]
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mistergrumpy
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| posted on 14/12/08 at 11:23 AM |
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Ah I see. You're wanting to put something down the hole first and seal against that. I'd have to say no as you risk blocking the
actual brake channel/hole itself. Plus the copper might splinter/shave as you screw the hose against it leaving the filings floating around.
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Bluemoon
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| posted on 14/12/08 at 11:26 AM |
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Yep, that why I ask, as steel/steel joint seems a bad idea, in my mind I think I have seen a shaped washer that is designed to go down the hole.. But
my mind might be playing tricks on me!
Dan
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Bluemoon
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| posted on 14/12/08 at 11:39 AM |
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O.k they do exist, called a conical seal.. Bit I think you only need one if the matting surfaces are damaged?
Dan
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Dusty
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| posted on 14/12/08 at 11:51 AM |
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All the bleed nipples are tapered steel on steel round the car. Pretty sure the flexi to caliper joint is designed the same.
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Bluemoon
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| posted on 14/12/08 at 09:45 PM |
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Hi Dusty have to agree.. Just going to fit the flexy directly not going to worry about it unless I have a leak latter.
Cheers
Dan
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mistergrumpy
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| posted on 14/12/08 at 10:00 PM |
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I've just done this this morning and I checked an hour ago and I've no leaks.
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