soooty Posted June 3, 2009 Share Posted June 3, 2009 i'm changing my front pads on my gt6. it i've got the old ones and shims out. my instructions tell me to push the cylinders in.. but how?.. they are quite tuff to move.should i repl;ece the shims as well? both surfaces look abit corroded. should i just clean that off?ta Link to comment Share on other sites More sharing options...
piman Posted June 3, 2009 Share Posted June 3, 2009 Hello Sooty, there are special tools to retract the piston but a big screwdriver or small pinch bar will serve OK. If you don't have Silicone brake fluid, put something under the master cylinder to catch the fluid that may spill as the pistons push fluid back to the reservoir.For the cost, I would replace the shims if doubtful.Alec Link to comment Share on other sites More sharing options...
GT6 M Posted June 3, 2009 Share Posted June 3, 2009 With either a big pry bar, or a G clampbe care full when pushing the pistons back, as when you push all four back, you may well find your master cylinder has ..over flowed,..., and its qiute a good paint stripper this stuff,!!!!!suck some out, firstregards Marcus Link to comment Share on other sites More sharing options...
Dicky Blighter Posted June 3, 2009 Share Posted June 3, 2009 Put length of tube on caliper bleed nipple into suitable jarPut pressure on piston with screwdriver, pry bar etc.open bleed nipple and piston will retract easily - shut bleed nipple just as piston bottoms out.Fit new pads, pins and anti-rattle shims (dont forget copperslip)Pump with pedal to get firm brake - top up reervoir.Job done without having to force fluid wrong way past master cylinder seals and no mess. Link to comment Share on other sites More sharing options...
Richard B Posted June 3, 2009 Share Posted June 3, 2009 Remember to try & keep the piston parallel to the bore. It will lock if it gets twisted.Like the idea of loosening the bleed nipple, I always take the M/C cap off and get fluid over the bulkhead... :'( Link to comment Share on other sites More sharing options...
Deleted User Posted June 3, 2009 Share Posted June 3, 2009 I use one of these to push the piston back.and I have a large syringe in the toolbox for removing most of the [s]paint stripper[/s] brakefluid from the resevoir before pushing the pistons back. Link to comment Share on other sites More sharing options...
sparky_spit Posted June 3, 2009 Share Posted June 3, 2009 When pumping the pedal to push the caliper pistons back out again, don't use the full pedal travel but use shorter strokes. Using long strokes increases the risk of master cylinder seal damage as the seals pass over areas of cylinder that they don't touch in normal use. If these areas are corroded they will damge the seals.How many times have you heard people say their master seals went shortly after bleeding the brakes (using long pedal pumps)? Using an Easybleed avoids this. Link to comment Share on other sites More sharing options...
soooty Posted June 3, 2009 Author Share Posted June 3, 2009 i got some help with my brakes.. all done now. thanks for replies Link to comment Share on other sites More sharing options...
Royboy66 Posted June 3, 2009 Share Posted June 3, 2009 ;) :) Link to comment Share on other sites More sharing options...
piman Posted June 3, 2009 Share Posted June 3, 2009 Hello Richard, "I always take the M/C cap off and get fluid over the bulkhead... "Silicone brake fluid, while no less messy, leaves the paint intact :-)Alec Link to comment Share on other sites More sharing options...
Steve Cureton Posted June 3, 2009 Share Posted June 3, 2009 Robroy, I take it you gave a hand if your smileys are anything to go by? I think you must have too much time on your hands- now there's a good excuse to get yourself a project car. How about that one that's still standing waiting for you at Oakengates? It's got your name all over it, and if you need to get it back to yours I know a guy who's just gone into busines moving vehicles (or anything else come to that matter) on a low-loader. Link to comment Share on other sites More sharing options...
Royboy66 Posted June 3, 2009 Share Posted June 3, 2009 Robroy lol, yes steve, I didI guess you refering to that yellow mk3, at the top of the hill, its too new for me, oh and I dont do YELLOW! ;) ;D Link to comment Share on other sites More sharing options...
Lord Sorbington Posted June 3, 2009 Share Posted June 3, 2009 Good old Robroy66 (he really is 66 you know). They call him "The Car Whisperer"As for projects, it's time he had a proper car, like the nice 2500S estate I was told about yesterday, 31k from new, just needs a few weekends fettling for an MOT. It's even a nice shade of blue......... Link to comment Share on other sites More sharing options...
tiggrr1 Posted June 3, 2009 Share Posted June 3, 2009 Roy would look out of place in a refined car like a 2500S Estate ;) Link to comment Share on other sites More sharing options...
Royboy66 Posted June 3, 2009 Share Posted June 3, 2009 you having a Larf!Comfort,room, airflow?Nah, i'll stick with my mobile sauna Ta ! ;) Link to comment Share on other sites More sharing options...
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