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| D2 - Axles, Brakes, Suspension and Steering Brakes, Springs, shocks, steering racks, steering columns, suspension arms, wheel hubs etc. |
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#1
6th April 2011, 07:40 AM
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Any help with a stiff nipple?
No, not that type!
I am attempting to bleed my brakes and have a problem with the front brakes' bleed nipples. I have soaked them with WD40 but still can't get the things open. I am using an 11mm flare wrench and ha dno problems with the backs. Any ideas? Jon 
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#3
6th April 2011, 08:56 AM
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For more security try cracking them with a socket instead of the flare wrench. If you still can't crack them strike th e socket with a small hammer sharply a couple of times. Failing that, heat as Dezzy suggested.
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Conan (the Librarian) Watch it if you dare Currently, 2000 S8, Merlin Purple, Leather Pack 1, Winter Pack 1, SPAX adjustable suspension, AP Racing 6 pot front caliper, 385mm fully floating disks, EBC Yellow Stuff Pads, Black Diamond grooved rear disks and predetor pads, D2 Doctors Brake Block. 1997 4.2 A8SQ - the Projekt. 12 years and ongoing! 1997 4.2 A8SQ - Ming Blue. Restoration sat waiting; saved from the Scrapyard 2003 C5 Allroad 4.2Q - Cobolt Blue. Towing car. Laid up awaiting manual conversion. 2005 C5 Allroad 2.5TDi FE - Grey - Workhorse. 2015 Q3QS SLine - Daytona Grey. Lots of extras! Long Haired Admirals cutter. Previously 2003 C5 A6 1.9TDI FWD - Loaner from D2 Doctor Lifex 1997 S8 - Ming Blue. Loaned out and written off. I loved that car. My first engine swap after cambelt failure. 1996 4.2 A8SQ - Ming Blue. 178k on a cambelt! Trader's 8. Delivered to A8Parts at Lifex. 2003 2.8 A8SQ - powder blueish. Fill in for a while. Sold on. 1998 1.8T A4 Avant FWD. Ming Blue (there's a theme here), PEX for the 97 S8. And a list of non VAG going back 40 years before I saw the light. 
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#4
6th April 2011, 12:58 PM
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I always use socket to brake them free. Try Loctite Freeze and Release ( http://www.loctitefreezeandrelease.com ) wonderful stuff or even better alternating torch and freeze&release. You can get it on ebay. Very popular in europe but for some reason do not see in shops here.
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#5
6th April 2011, 08:59 PM
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Brilliant ideas - I'll find a socket that fits, and then try heat (probably setting fire to the garage in the process!)
Thanks, Jon
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#7
7th April 2011, 05:21 PM
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#8
25th April 2011, 07:18 PM
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Thanks for all the help
Unfortunately I was defeated by the evil nut and my own ineptitude  In the end I got my local garage to put new pads all round and they didn't have an issue with the nut at all, oh well! They also skimmed the front dics as the front driver side caliper had been stuck fron all the rubbish winter weather. As I don't drive her that often it had been a while since she had been driven any distance. At least the brakes work now and no sign of the 'leak' that I was certain I had. Jon
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#9
26th April 2011, 09:33 AM
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Hi Bircham,
sorry I'm late coming in to the thread, as an avid DIYer, when presented with a similar problem I ALWAYS heat the nipple, but only the nipple, let the heat travel down into the caliper, they usually just undo without any more hassle, it's also worth noting that sockets that drive on the flats are far more reliable than just using the corners, as has been mentioned!! Best Regards, Steve
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