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20th September 2019, 16:16 | #1 |
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MG ZT CDTI +85 AUTO Join Date: Jun 2009
Location: Glasgow
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Brake pipes single or double flare
Hi
As part of my overhaul of the brake system I am going to split/join the brake pipes at the rear because the 11mm screw heads have been rounded and can no longer be used. My question is this. When flaring the pipes it mentions Single and Double flare. im confused about when to use a single or when to use a double flare. For example. With the existing pipe remaining on car and suitably splice/cut awaiting flare do i use a single on that end. (I am using a double joiner) here and adding in the replacement pipe. For replacement pipe end which will go into the hose from the caliper do i use double flare? or should i just use double on all the joins (3 joins in total) Pipe to pipe, pipe to hose. Regards Buzz |
24th September 2019, 20:31 | #2 |
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Sorted
For male connector it's single flare. For female connector it's double flare.
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25th September 2019, 20:12 | #3 |
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It got me all confused. Double is the proper way to do it dependant on what type of coupler used. Single shouldn’t be used on brake systems but some argue a male and female connector is fine, personally for the extra 50p that a joiner costs, use one.
This may help and I don’t think the 75 has anything odd - I posted on here another model of car of mine used American and european types leading to much annoyance getting hold of a suitable flaring tool. http://www.fedhillusa.com/?page=flare |
26th September 2019, 11:07 | #4 | |
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26th September 2019, 13:05 | #5 |
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This is where I said some argue as you are relying on the two flares butting up to one another if you are joining.
Using a coupler the flare butts up to the solid end of the coupler on both sides. |
26th September 2019, 15:28 | #6 | |
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16th August 2020, 06:04 | #7 |
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I've just used one of these to make the single flares - simple to use and did a good job.
https://www.ebay.co.uk/itm/362539980485 40 years since I last changed brake lines but at least I have the tool now if I need it again when I'm 100 :¬)
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