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1

General Car Chat / Re: Brake bleed nipple removal

« on: 17 May 2012, 20:39:22 »

As with all ideas the proof comes from experimentation. Having freed the screws on my car will I ever have to do it again? With previous vehicles I've planned to carry out the simple task of bleeding brakes to put the ring spanner in place and then, well you know the feeling, do you feel lucky? Well do you? This was the if it doesn't move when I think it should -do something before I break it approach.
Oxy acetylene will certainly apply a lot of heat but with quite a few risks. Even a standard blow torch pointed in the wrong direction is going to cost.
I actually think applying extreme cold to the centre of the bleed screw would be better and "shrink" the screw, it would also make it very brittle. If I get  another chance and some liquid nitrogen I may give it a try....

2

General Car Chat / Brake bleed nipple removal

« on: 13 May 2012, 16:52:57 »

Hi, after spending more time than is really healthy investigating how to remove a stubborn bleed nipple I found a method that worked [for me anyway].
First job is to find a metal insert for the centre of the bleed screw that will fit inside all the way to the bottom ( a drill bit is ideal). Job two is the liberal application of WD40 to the thread of the nipple and while that starts to work its magic use a blow torch to heat the metal shank (drill bit). Once the tip is hot  insert it into the bleed nipple - this introduces a high heat source deep within the item rather than superficially heating the outside of the caliper. Leave the shank in place for a minute and with it still in place attempt to turn the nipple - I don't have to tell you to be gentle do I ?

Once loose remove the drill shank / wire / whatever you used.

As I say it worked for me on all the screws I tried it on. Please let me know if you use it and what level of success you have.

Cheers

3

Newbie Welcome Area / Hi there...

« on: 07 May 2012, 10:28:49 »

Well Hi everyone. I started watching the Q&As on the site after buying my 2.6 CD. What a brilliant car, why on earth was it not replaced with something more capable? Since buying I've had a few issues- rocker box covers leaking- just tightened the covers, cam belt change, new discs all  round. The handling was ok but not as precise as some and after reading comments on the forum I had a four wheel alignment carried out at Carson's in Melksham (excellent service) it now drives beautifully. This wet bank holiday was to have seen the brakes being bled but a sheared nipple has put paid to that! I am waiting for a dealer to open so I can buy a new one. Incidentally i came across this  http://www.fraserbrowneng.co.uk/ if anyone is interested. Also I now have trouble with the brake pedal descending to the floor.....

Looking forward to an exchange of views.

Cheers Gents and Ladies of course.

Pete