Brake line fitting size and thread - Defender Source
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  #1  
Old March 3rd, 2012, 10:11 AM
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Brake line fitting size and thread

Replacing the entire front brake set up on the wife's '85 110. Putting on the Defender 90 calipers and vented rotors ( all bolt up . as a mater of fact if your old 110 front rotors are still good and your just replacing the frozen calipers you can get the D90 calipers and remove the 3/8" spacer that is sandwiched between both sides or the D90 caliper and it will fit the old 110 non vented rotors) but while I'm at it I'm going to make up some new Poly-armour coated brake lines to the front calipers. Does anyone know the proper fitting type and thread type that are the jump lines from the Axel to the calipers ?
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  #2  
Old March 3rd, 2012, 10:46 PM
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Mack Crouch
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I would bet m10x1.0 iso bubble flare
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  #3  
Old March 4th, 2012, 03:49 PM
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I believe so , has anyone noticed a difference between "British" 10 x 1. thread and "European" thread ? one of the local auto parts stores had them marked as European and they thread felt like it had less slop than the British 10x .1 that I have
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  #4  
Old September 30th, 2013, 11:30 AM
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Andrew Najarian
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Reviving an old thread here...

I am planning to make all new brake lines for the 110, but I am starting to see some contradictory info in different places. For what it's worth, I am swapping to Discs in the rear as well.

I am trying to find out definitively what type of flares are used where and what type of fittings. My understanding is that the entire system uses ISO Bubble Flares with M10x1.0 Fittings, but are the flares at the Calipers and Master Cyl the same as well?

What about the Clutch, does anyone know the size and type of those fittings/line?

Thank you!
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  #5  
Old September 30th, 2013, 12:06 PM
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Calipers are m10x1 DIN flare. So are the T fittings on the rear for both the flex line and the hard lines. Ditto the proportioning valve and whatever other weirdness you have between the master and the calipers.
Master Cylinder is, well, various depending on the type of MC you have. Need a pic if possible.
Clutch is 7/16-20 Girling for 1/4 inch pipe with SAE flare, I think. If you have the adapter fitting on it then I think that's M12x1.0. I know I used DIN flares on the slave, and SAE flare on the master, with no adapter. I think the flex line is also 7/16-20 Girling and you need the long cone type female nut.
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  #6  
Old September 30th, 2013, 01:08 PM
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Andrew Najarian
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Thanks, I'll try to take a picture later today. So the brake lines are all 3/16 with M10x1.0 fittings and DIN Flares? I purchased Stainless Braided Flexible lines, so I don't need to make those, I just want to make sure I order the right Fittings and lines to make all the hard lines myself.

I will take a pic of the MC and Clutch/Slave later. Thank you!
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  #7  
Old September 30th, 2013, 01:12 PM
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Quote:
So the brake lines are all 3/16 with M10x1.0 fittings and DIN Flares?
Yes, except for the nuts on the Master Cylinder.
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  #8  
Old September 30th, 2013, 01:17 PM
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Tom Rowe
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I've seen reports from people about the poly coated brake lines de-laminating and rusting where you can't see. I prefer the copper/nickel like from Fedhill or NAPA.
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  #9  
Old October 22nd, 2013, 11:40 AM
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Andrew Najarian
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Ok, here are some pics of the MC
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Old October 22nd, 2013, 12:03 PM
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Those are 10mm DIN flare. The early cast iron MC has 10mm and 12mm nuts.
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Old October 22nd, 2013, 12:04 PM
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Great, Thanks! I need to get a quick pick of the Slave as well, will do that soon.
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Old September 7th, 2014, 10:18 PM
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How much brake line is needed for a 110?
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Old September 7th, 2014, 10:34 PM
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And I guess if anyone knows the rough count of how many male and female connectors one would need to completely do the brakes from scratch. As well as tee's? Anything else I should order from fed hill while I'm at it?

Thanks,
charles
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Old September 7th, 2014, 10:52 PM
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And I guess if anyone knows the rough count of how many male and female connectors one would need to completely do the brakes from scratch. As well as tee's? Anything else I should order from fed hill while I'm at it? Thanks, charles
your gonna need at least thirty feet of line, and about a half dozen female connectors and a dozen males. Don't quote me, we just did the lines on that 90 and it took a couple hours. We reused most of the original connectors, just cleaned and polished before we flared. FYI make sure you double flares on the females and bubble flares on the makes.
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  #15  
Old September 7th, 2014, 10:59 PM
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Thanks!
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  #16  
Old April 12th, 2016, 01:28 PM
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Michael
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Thanks!

Charles, how many of each components did you end up buying?
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  #17  
Old April 12th, 2016, 06:41 PM
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Charles Galpin
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Michael, believe it or not I have not plumbed it up yet. Hopefully in the next few months

I forget how much I bought, but will check. I do know the fittings I bought didn't fit my calipers so I picked up some more when I was in the UK, but can't recall the count of those either, but will see what I have too.
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Old April 12th, 2016, 07:22 PM
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I bought 2 x 25' lengths of line and 10 each of the male and female connectors. Hoping that's sufficient.
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  #19  
Old April 12th, 2016, 07:42 PM
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Where can I order some of these in US?
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  #20  
Old April 12th, 2016, 08:03 PM
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Charles Galpin
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I got the line from fedhill, but like I said the fittings didn't match. I suspect any of the vendors can get you the right ends (and line too).
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