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Brake Pipe & Unions
#1
Hi,
I need to order up some replacement rear brake pipe and some unions today.

Can anyone tell me what size pipe and thread I need?

Not near the car this week so can't measure it.

Thanks!

Sent from my SM-G850F using Tapatalk
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#2
When I bought new lines for my car I just typed in the reg number of my car and the site automatically listed the correct parts. 
Note that brake line is often sold as straight or coiled pieces, not bent to fit your car, so you'll need a bender to fit the lines correctly.

This one doesn't look like much, but it works, and is cheap;
https://www.ebay.com/itm/A-ROG300-Brake-...SwCU1Y3shH
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#3
(30-09-2018, 07:58 AM)bengy1975 Wrote:  Hi,
I need to order up some replacement rear brake pipe and some unions today.

Can anyone tell me what size pipe and thread I need?

Not near the car this week so can't measure it.

Thanks!

Sent from my SM-G850F using Tapatalk

Unions have M10 x1 thread size if that helps
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#4
pipe will likely be standard 6mm outer diameter.

You can bend the copper/nickel pipe without a tool, but it's normally neater when you do use a tool.
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#5
Hi - look into getting one of these in the correct size for the pipe you buy : https://www.ebay.co.uk/i/252308824962?chn=ps

For operating in narrow places very highly recommended
                                                                                                                                                     
Our cars - 2008 1.6 HDi 92 Berlingo (His)
             - 2008 1.6 HDi 110 Mini (Hers)
             - 2008 1.4 HDi 70 Pug 207 (Sprogs) RIP 04/19
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#6
Does the Berlingo use imperial or DIN flares ?
So where does this bit go then ?
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#7
Flares are the DIN/ISO type - I use 3/16" OD cunifer pipe and 10 x 1mm fittings and a 'Powerhand' tool. They come with DIN or SAE punches/dies so you need to buy the correct one. Bending tool is a D cell battery to bend the pipe around. Trick is to practice a lot first and, even the, double check you have popped the fitting onto the pipe (the correct way round) before you flare it.
                                                                                                                                                     
Our cars - 2008 1.6 HDi 92 Berlingo (His)
             - 2008 1.6 HDi 110 Mini (Hers)
             - 2008 1.4 HDi 70 Pug 207 (Sprogs) RIP 04/19
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#8
Please don't use a D cell or other plain cylindrical object to bend pipe. It ends up flattening the pipe.
Maybe 6mm brake pipe survives without deforming too much and putting restrictions on the liquid flow, but why take the chance. A flattened pipe is very difficult to 'unflatten'.
And a cheap bending tool can be found for £10.
If that isn't available, take a piece of 1" roundstock, or a broom handle and carve a 6 - 7mm wide groove with rounded bottom around it and use that.
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#9
I would advise copper pipe, it's a lot easier to bend and shape than the Kunifer (copper / nickel) stuff.



.
My vehicle .... 2006 (m59) Berlingo Multispace Desire - 1.6 HDI 92 
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#10
Here's a debate if ever there was one....

Copper is used on a lot of classic cars as it does indeed bend more easily than steel or kunifer, and is a bit cheaper IIRC. Problem is that copper will work harden from vibration and can become brittle as a result. While kunifer takes a little more effort than copper, it's a lot easier to work than steel.
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