davis6110 Posted May 3, 2012 Author Share Posted May 3, 2012 Thanks mate Quote Link to comment Share on other sites More sharing options...
Swampy442 Posted May 3, 2012 Share Posted May 3, 2012 UK spec calipers are 4 pot opposed piston, J specs are 2 pot sliders. Siezed sliding pins or siezed pistons cause youre discs to warp, reckon once you have cleaned and greased the pins your problem will be sorted. Quote Link to comment Share on other sites More sharing options...
Chris Wilson Posted May 3, 2012 Share Posted May 3, 2012 Ok thanks chris, is there a way to try free this up until i can get hold of a refurb kit ? The piston and seals won't fix your slider problem. i can reamer the housings and supply new or good used pins and the anti rattle rubbers, but I need the caliper brackets posting to me, or I can have them collected. Quote Link to comment Share on other sites More sharing options...
davis6110 Posted May 3, 2012 Author Share Posted May 3, 2012 Ok so I tried freeing the pin tonight. It won't come free its well and truly stuck. Would you suggest getting this fixed or just looking for a used jspec caliper Quote Link to comment Share on other sites More sharing options...
Chris Wilson Posted May 3, 2012 Share Posted May 3, 2012 Even a brand new caliper will have zero effect in resolving your issue. From what you say it's nothing to do with the caliper itself. Quote Link to comment Share on other sites More sharing options...
davis6110 Posted May 3, 2012 Author Share Posted May 3, 2012 Yeah I'm on the hunt for caliper and carrier. Just a carrier if I can find one but willing to buy a whole set if need be Quote Link to comment Share on other sites More sharing options...
Robzki Posted May 4, 2012 Share Posted May 4, 2012 Might be worth rebuilding the calipers as well, Chris Wilson sells all the parts you need. No the discs are fine my mate checked them on his machine when they were off Yeah I'm on the hunt for caliper and carrier. Just a carrier if I can find one but willing to buy a whole set if need be From these comments I assumed you has the parts checked by CW?, I have never seen sliders that couldn't be freed off and cleaned out so they slid well. they are usually full of gunk/corrosion, you generally clean them out and regrease. Quote Link to comment Share on other sites More sharing options...
davis6110 Posted May 4, 2012 Author Share Posted May 4, 2012 Nope I tried freeing the slider myself then had a mechanic round and he also couldn't understand how it is seized all the way in. He also was the one who checked all my discs for warping but all were fine and he also checked the wheel bearings who h are all fine. Quote Link to comment Share on other sites More sharing options...
Chris Wilson Posted May 4, 2012 Share Posted May 4, 2012 Which side is it, I may have one? Quote Link to comment Share on other sites More sharing options...
davis6110 Posted May 4, 2012 Author Share Posted May 4, 2012 Drivers side mate, again thanks for all your help, i just dont understand why it wont free, it dont look bent or anything and i would imagine its pretty hard to bend them anyway but like i say iv only had this car 3 weeks and only noticed this when changing the brake pads i want to get this sorted asap even if it isnt this that is causing my brake juddder this is still another major proble to be sorted Quote Link to comment Share on other sites More sharing options...
davis6110 Posted May 4, 2012 Author Share Posted May 4, 2012 Just had a little search and found that a couple of people have had the same problem as me that couldnt be fixed without buying a new carrier ( http://www.mkivsupra.net/vbb/showthread.php?131956-J-Spec-Front-Caliper-Carrier-Part-Number-request ), i dont care about spending the money on the new carrier i just want it sorted Quote Link to comment Share on other sites More sharing options...
Chris Wilson Posted May 4, 2012 Share Posted May 4, 2012 I have rebuilt RH and LH front J-Spec carriers with good pins, rebuilt and reamed out, all greased up with special high temperature moly grease, ready to fit. Quote Link to comment Share on other sites More sharing options...
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