LCR Brembo dismantling help......

Dani_B19

Dani_B19

Audi-sports own special child.
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Right, to cut a long story short the bridging brake lines that supply brake fluid to the other side of the caliper, well they are shot, on both calipers, had a very bad accident on my behalf :(.
Anyway, i need new lines but can i f*** get the old ones out, i know the brake nipple is a 11m head but its like monkey metal, ive used penetrating fluid, blow lamp, mole grips, you name it ive tried it but the god damn nuts will not budge, its to the point theres hardly any material left to grab lol, their fused in.

Any ideas on what to do to get them out?
 
Ooh i like that one lol, so cut the pipe of flush then clamp it in best i can? Its not actually the nipple PT its the bridging pipe nut thats stuck.
 
Dani_B19 said:
Ooh i like that one lol, so cut the pipe of flush then clamp it in best i can? Its not actually the nipple PT its the bridging pipe nut thats stuck.
Click to expand...

Same principle... more clamping force with the vice and more leverage... still take it easy though...

<tuffty/>
 
Yeah i know what you mean, if that doesnt work i dont know what will, its like they've cold fused together, even mole grips wrapped around tight wont budge, just strips the nut.
 
A little heat on the caliper might help... just don't use too much

<tuffty/>
 
If your in no huge rush, chuck them in a bucket of diesel for a week. I do that every time I'm stripping a set of calipers. It frees all the bolts off nicely. If you go at the crossover pipe too hard, it tends to just rip the thread out of the caliper
 
Argh thats a nifty trick! Does it damage the dust/piston seals though? Also does it strip the paint off?
 
audi upgrades
Cheers dave, ill give the vice trick ago tomorrow and see how it goes if not i may take you up on that offer :).
 
Dan can you not get a socket on to them once you have cut the pipes? That's what I done
 
Could try it but mine seem stuck solid mate, were yours tough to remove? Also where did you get ya new lines from?
 
Am I reading this right? Using the pic I robbed off another thread(Thanks Alex), you want to take the pipe on the far left odd the pic off? Where the tag is attached to? Does it ever need to be taken off?

IMG00102-20120126-1654.jpg
 
I made/had new ones made up, very easy once you have the flairing tool and some 4mm copper tube! Mine were soaked in plusgas and they were not a problem with a socket. The old ones on mine looked tiered and I just wanted to get on with refurb and splitting down so I just cut them
 
What size are the threaded nuts mate?

Yup jojo, mine had a accident :(.
 
Just had a look in the garage mate and I can't find the spares I had! Shame :( I'm pretty sure the that they are M10x1 thread
 
No jojo i dont have, its has its ups and downs but to be honest thats what makes me love amd respect my car even more, this car has been a massive learning curve over the last 3 years and to be fair i wouldnt rwally change it, apart from various twats damaging it lol, but all in all i love it all.

Thats the size i thought they were, what aboutthis full kit from the same seller:
http://item.mobileweb.ebay.co.uk/viewitem?itemId=220701934905&index=0&nav=SEARCH&nid=95299917162
 
Looks spot on dan and the ends of the tubes have already been flared, remember though you can't just bend the pipes with your hands as they'll kink. Easy way to bend them is to softly roll the corners on a socket. Take it slow and you won't kink them
 
Good job you mentioned that mate or id have been buying another set haha.
 
Use a blow lamp to heat the pipe before trying to bend it. Makes it a lot easier to do and go slowly at it using a bar to roll the pipe around and re-heating the pipe all the time. Had to do this only yesterday after damaging one of the pipes(sorry S3Dave after doing a great job on refurbishing the calipers).
 
Dani_B19 said:
No jojo i dont have, its has its ups and downs but to be honest thats what makes me love amd respect my car even more, this car has been a massive learning curve over the last 3 years and to be fair i wouldnt rwally change it, apart from various twats damaging it lol, but all in all i love it all.

Thats the size i thought they were, what aboutthis full kit from the same seller:
http://item.mobileweb.ebay.co.uk/viewitem?itemId=220701934905&index=0&nav=SEARCH&nid=95299917162
Click to expand...

that's the kit i bought

IMG00073-20111128-1438.jpg


beware of the bolts that bolt the two halves of the caliper together though, they are a tad long...

IMG00085-20111128-1828.jpg


fouling the carrier bolts...

IMG00083-20111128-1826.jpg



i only bought the kit to replace the stainless pad shim bolts. The standard ones are also made out of chocolate and PITA to get out

I still have the fluid transfer pipes in the garage i think from that kit if you want? Unless Dad has had a tidy.....unlikely
 
How did you get around the bolts been longer mate? Also did ou use the bleed nipples from the kit?
 
Also dont want to sound slack but what the shim bolts you talk of? What are they for?
 
see the metal plates at the bottom of the calipers...

IMG00065-20111028-1811.jpg


these are the pad shims

IMG00066-20111028-1812.jpg


How did i fix the problem of the long bolts? ... used the old ones :)
 
My brembos dint have them, do they come with the pads? Also did you use the new bleed nipples alex?
 
no, they are part of the calipers. Yeah i replaced the bleed nipples - its advisable. But again be careful, i think the bleed nipples and other bits are made out of chocolate to make cross threading the aluminium calipers difficult - the threads of the fixings will cross thread before the caliper internal threads. Problem with this is that the fixings have a habit of shearing i have seen - i was lucky though

are you doing a complete teardown?
 
Nice lol. Im struggling to strip the buggers, everthings seized lol.


Uup mate, total refurb apart from pistons. Can you have a look and see if you have those pipes still mate?
 
yeah, as suspected the garage is a tip and the pipes were where i'd left them

let me know their new home
 
Right, so was wrestles and nipped into the garage.

The brembos do have shims, its just their that black you cant seem them at first glance lol.

Secondly, i know why the ******* pipes are so hard to remove, i did the trick or socketing them and blow lapping them at the same time, once out i saw that the previous twating owner had ****ing cross thread the fittings, ****ing ***** monkey.

So half the threads intact but the rest is mush, whats my options? What this helicoiling is it? Heard of this used before when people have said sumets cross threaded etc.
 
the cross threaded thread is drilled out so the hole is slight bigger and then you wind a helicoil into the hole which is just a helical coil (obviously :)) which matches the thread of the original threaded hole

I have read that a helicoil is stronger than the original too because of the way the torsional force is distributed - maybe rubbish though

<a href="http://www.youtube.com/watch?v=RFYa6sjhh_E">
 
Last edited by a moderator:
Are thanks mate, any idea wheres the best place to get this done?
 
i would find a local machine shop. I never had to helicoil mine though. I managed to get away with it. See if anyone else has an opinion on helicoils though as im not really qualified other than i know what they are
 
Haha no worries mate, thanks for all ya help, been much appreciated fella.
 
Worst case you can buy bleed nipple inserts after you get the calliper retapped. Search on ebay for brembo bleed nipple insert.

Mine were an absolute pain too, but luckily my threads were salvageable with new nipples
 
Dani. Let me know if you manage to get new oil seals for the pistons as I was unable to get them when Dave was refurbing my calipers. Seat did not stock them on their inventory and Brembo would not sell them as they recconed it is a safety issue and will not sell you the parts only a new caliper. I have another set of LCR calipers sitting in the house and might refurb them also.
 
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