spyghost Posted November 23, 2016 Share That's the plan. Also I'll be draining all the fluid from the caliper up just to start things clean. Link to comment Share on other sites More sharing options...
spyghost Posted November 23, 2016 Share ok, i've put things back together and rebled.... it's snappy again! amazing how a little cleanup has done! Link to comment Share on other sites More sharing options...
-cK- Posted April 12, 2017 Share This needs to be a sticky topic Sprung a leak on my M785's found this topic, stripped down my old M395's that I kept as a back up and boom piston is a perfect match. Bled the system last night and checked it this morning and no leakage visible so far. Will refit the brakes tonight and take it for a test spin tomorrow. So here is to hoping this just saved me from having to fork up a lot of $$$ for new levers/brakeset. Oh and I'll post some pics later tonight but considering the issue described and looking at the original piston of the M795's that is made of some sort of plastic/Teflon compound I much prefer the alu piston of the M395 I scavenged as it feels much smoother and snapper than before. Oh and for the wight weenies the Weight penalty is negligible imo If this works I might just end switching the other lever's piston as well. Meezo, Skylark and Captain Fastbastard Mayhem 3 Link to comment Share on other sites More sharing options...
Meezo Posted April 12, 2017 Share still haven't got around to posting some proper pics, will try and get it soon, got some levers i need to repair! there are quite a few sets of XT/SLX/XTR brakes in the classifieds that can be repaired Link to comment Share on other sites More sharing options...
Pusher Posted April 26, 2017 Share Is there a trick to fit the lever with the spring that goes on the bottom of the lever! Just can't get it to fit with two hands!! Link to comment Share on other sites More sharing options...
Meezo Posted April 26, 2017 Share Is there a trick to fit the lever with the spring that goes on the bottom of the lever! Just can't get it to fit with two hands!! push number 5 in first diagram, slightly through the "body" then the lever then push the spring in afterwards Link to comment Share on other sites More sharing options...
spyghost Posted April 26, 2017 Share Is there a trick to fit the lever with the spring that goes on the bottom of the lever! Just can't get it to fit with two hands!!Do it while it's clamped to your bars. Inserting the pin just to keep the lever in place will help. Link to comment Share on other sites More sharing options...
Meezo Posted April 26, 2017 Share push number 5 in first diagram, slightly through the "body" then the lever then push the spring in afterwards added to this, it also does help turning the "free stroke" screw all the way in Link to comment Share on other sites More sharing options...
mxjunke Posted April 26, 2017 Share Just found this thread now, I have the same issue with my XT brake. I will try this fix even though I have ordered a new lever already. Link to comment Share on other sites More sharing options...
Pusher Posted April 26, 2017 Share Thanks guys. Got it in. Phew!Thanks for the thread, life saver! Meezo 1 Link to comment Share on other sites More sharing options...
Weimaraner1 Posted May 24, 2017 Share Alls well now. No leaks on the hose, i think it was the lever that was leaking. I was @GECOCYCLES yesturday and had a chat with the tall mechanic, awesome guy for all the help and advice. He says the problem is with the XT caliper. The bleed nipple and hose are both on the same side of the caliper and with the way the caliper mounts the bleed port is always lower than than where possible air could be. When you gravity bleed theres not enough pressure to push this "air pocket" out. You need a big syringe to suck it out of the bleed port. Got myself a 50ml syringe and attached it to the bleed port, filled the funnel with oil and pulled quite hard on the syringe. There was a shiit load of air stil in the system even though i bled it numerous times yesturday. The brake is now solid, full of power. Really glad i went into Geco cycles yesturday. Defnetly my new LBS Thanks for all the advice and the diagram to strip the leverThe mech I think gave good advice. De-gassing the caliper is a method used when bleeding Avid brakes and I also do it now in my m985 xtr brakes and yes it works well. Link to comment Share on other sites More sharing options...
spyghost Posted May 27, 2017 Share what do you think of having a vacuum pump setup similar to tektro? https://www.bikerumor.com/2016/09/03/eb16-trp-brake-checks-aaron-gwin-auto-pumps-bleed-gets-aero/ Link to comment Share on other sites More sharing options...
BaGearA Posted May 29, 2017 Share Ok first of all can I do this to previous gen SLX brakes ? Only becaise they feel A little gritty (I suspect they are very very dirty inside) no locking up levers just feel spongy and return A little slow. Also I want to fit braided hoses (just for looks) where can I find some good quality ones ? no luck with CRC Link to comment Share on other sites More sharing options...
Meezo Posted May 29, 2017 Share Ok first of all can I do this to previous gen SLX brakes ? Only becaise they feel A little gritty (I suspect they are very very dirty inside) no locking up levers just feel spongy and return A little slow. Also I want to fit braided hoses (just for looks) where can I find some good quality ones ? no luck with CRC yes it will work on slx brakes as well. and http://www.wiggle.com/hope-stainless-steel-braided-hose-kit-with-connector/ otherwise check bike-discount, bike24 and bikeinn, even merlincycles and evans cycles might be able to help Link to comment Share on other sites More sharing options...
BaGearA Posted June 1, 2017 Share First off I must stress that I am by no means a qualified bicycle mechanic, I do have little very little experience with them. Secondly I cannot take full credit for this fix, the idea was given to me by a very very generous hubber who’d had offered to fix for me for free. KUDOS @BikeWhisperer and a close friend @gyro for the timeOk, then this is not an avid or shimano appreciation thread, nor an avid vs shimano thread. SYMTOMPS:Pull lever, and it does not return at all or very slow and spongy.If bike in open sun, levers lock up. POSSIBLE CAUSES:Dirt and grime build up in the lever cylinder, as well as on the piston. See belowWith the dirt and grime build up, when in heat the swelling cause the lockup and no return of lever. TOOLS NEEDED:2mm Allen KeyStar ScrewdriverIsopropyl Alcohol Toilet roll/Roller towelThin Nose Pliers1 x 3000 grit Sand Paper 1 x 2000 grit Sand Paper 1 x 1000 grit Sand Paper This is from the shimano site, I will make reference to the number here in my photos as wellxt_brake_lever copy.jpgFor starters is always good to remove the lever completely off the brake line.Below is an image of a lever I had repaired and one that was going to get repaired, taken as is off the brake system20151201_192703.jpgRemove 8 in diagram above like below, there a tricky little rubber cover than can be removed with a thin small screwdriver or pin20151201_192730.jpg20151201_192856.jpgPush out 5 using the 2 allen key, this will separate the lever trigger from the rest of the lever20151201_192925.jpg20151201_193020.jpg How to i get 5 out ??? Do i push from the bottom up or the top down either way it won't budge , previous gen SLX Link to comment Share on other sites More sharing options...
Meezo Posted June 1, 2017 Share How to i get 5 out ??? Do i push from the bottom up or the top down either way it won't budge , previous gen SLX you did remove 8? then bottom up, ie. turn the lever with the name SLX facing down, and pushing 5 out Link to comment Share on other sites More sharing options...
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