Brake hose not sealing to caliper - Clio MK2 Rear Disc - Page 2 - Renault Forums :: Independent Renault forum

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post #6 of 21 (permalink) Old 3rd June 2016
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Re: Brake hose not sealing to caliper - Clio MK2 Rear Disc

Your link is of the standard type flexi pipe that some models use. Most likely for body to axle.

Your brakes need a flexi near the caliper to allow caliper removal without disturbing the brake lines.

If you can get hold of a new pipe nut, you could try winding it in to the hole a few times in the hope it remakes the original thread.
It might allow you to get your nut back in straight.

Not much else you can do.

Don't bodge anything to do with brakes, it ain't worth the risk.
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post #7 of 21 (permalink) Old 3rd June 2016
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Re: Brake hose not sealing to caliper - Clio MK2 Rear Disc

The hex part of the fitting (Union) looks a bit rounded, but the threads on the union look decent to me, you should get away with them.

The union is steel and the caliper you are screwing it into will more than likely be alloy so you have to be careful not to damage the threads in the caliper.
Try starting the union into the caliper by hand and try to keep it square to the hole it's going into. You may have to try screwing the union into the caliper a couple of times as it may veer of square as it goes in, the brake pipe tends to pull it off square. If the union will slide up the pipe try sliding it up and push the pipe into the hole, you can now move the pipe in the hole and try and square up the union as you try to screw it in.

If the union becomes tight unscrew it a fraction then try to turn it in again, you may be able to feel if it is pulling off square at a certain point.
If the threads in the caliper are damaged it is normally only the first couple of threads, if you can get passed these with the union in the hole squarely it will normally then proceed to go in the rest of the way square.

If you manage to get the union to start you are going to have to nip it up with a undersized spanner on the rounded hex bit.


There is always a tendency to panic when trying to reconnect brake fittings as there is normally fluid dripping all over the place but try to ignore this and take your time.

If you do need a new flexi I seem to remember that Renault were the cheapest for them when another forum member had to replace one a while back so check the price there before you shop around.


Cheers.

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post #8 of 21 (permalink) Old 3rd June 2016
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Re: Brake hose not sealing to caliper - Clio MK2 Rear Disc

Quote:
Originally Posted by lancs dave View Post
...If you can get hold of a new pipe nut, you could try winding it in to the hole a few times in the hope it remakes the original thread.
It might allow you to get your nut back in straight....
That was going to be my next suggestion....

If you get a new union and put a half depth hacksaw cut up the length of the threads you have a tap that will cut / clean the threads in the caliper



Cheers.
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> scroll down to the "What's current in your garage?" box and enter your vehicle details.
> Once the details are entered scroll down to the bottom of the page and click "Save Changes"

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post #9 of 21 (permalink) Old 3rd June 2016
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Re: Brake hose not sealing to caliper - Clio MK2 Rear Disc

Quote:
Originally Posted by TTT View Post
That was going to be my next suggestion....

If you get a new union and put a half depth hacksaw cut up the length of the threads you have a tap that will cut / clean the threads in the caliper



Cheers.
I put a vee in the threads with the grindstone, so the leading edge is at 90 degrees to the thread. I found that a hacksaw cut didn't leave enough space for swarf. Works very well.
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post #10 of 21 (permalink) Old 3rd June 2016
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Re: Brake hose not sealing to caliper - Clio MK2 Rear Disc

I do like a good bodge
Especially when they work and using a fitting with a slot or two cut in to act as a die, is one that works.
Before fitting pipe on if re-cut with a fitting, get all swarf out you can.
Plenty of grease on the fitting will hopefully catch most anyway
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brake , brake fluid , caliper , clio , clio 1.5 dci , disc , hose , leaking , mk2 , rear , rear brake disc , sealing

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