Klipspringer Posted November 2, 2014 Posted November 2, 2014 Hi fellow hubbers, why does this happen? On my MTB it has now happened twice, hydraulic disk brakes, recently serviced. Yesterday had no other option than removing the brake pads. It happened on a fairly flat section, felt like I was pedalling in water. Someone said it can be an air bubble in the system - is this a possibility? And then , how to unjam it without removing the brake pads? ( bike is now at my LBS, the mechanic will look on Monday).
ricochet_rabbit Posted November 2, 2014 Posted November 2, 2014 Hi fellow hubbers, why does this happen? On my MTB it has now happened twice, hydraulic disk brakes, recently serviced. Yesterday had no other option than removing the brake pads. It happened on a fairly flat section, felt like I was pedalling in water. Someone said it can be an air bubble in the system - is this a possibility?And then , how to unjam it without removing the brake pads? ( bike is now at my LBS, the mechanic will look on Monday).What brakes are they, make & model?
Spoke101 Posted November 2, 2014 Posted November 2, 2014 Sounds like an issue with the master cylinder in the leaver not returning properly.
TK-Sp3cialiSt Posted November 2, 2014 Posted November 2, 2014 Most likely will need a rebuild kit, if you are lucky a strip and rebuild may do the job
Skylark Posted November 2, 2014 Posted November 2, 2014 Lucky for you avid sells rebuild kits but to be honest if you are paying the lbs to do the work after labour and parts are added up a better option perhaps is just getting a whole new set of some of the current entry level Shimano Deore brakes. Sell the Avid's for spares in the classifieds to help subsidize the new brakes. Or get the seals kit and do the work on the Avid's yourself, plenty of info on google for working on them.
Klipspringer Posted November 3, 2014 Author Posted November 3, 2014 Thanks for the suggestions, I think I will go for new brakes.
camelman Posted November 3, 2014 Posted November 3, 2014 I also think it is a master cylinder issue. Might be a quick and easier fix than you think. And while Avid might not be the best out there, there is nothing in principle wrong with them. No need to sell because of one hick-up, these things happen, it's mechanical.
droo Posted November 3, 2014 Posted November 3, 2014 Yesterday was pretty hot, so if the flat section was in the open it could very easily just be a bad bleed. Find someone who can bleed them properly before you just moer them in the bin. And if you do throw them away, throw them at me. My SS needs brakes.
TK-Sp3cialiSt Posted November 3, 2014 Posted November 3, 2014 Rebuilding is not difficult, hell, i have done it, and rebled after the rebuild
kinggrant Posted May 12, 2015 Posted May 12, 2015 I might need a re-build maybe not, I dont fully understand did you brakes just seize up mid ride?
Fisan Posted May 12, 2015 Posted May 12, 2015 I had this with my Elixir 5's. It was just a bad bleed - a bubble in the middle of the hose. What happened was that the brake pads were only slightly pushing against the rotors. At first it was ignorable. As I continued riding, the the heat build-up in the callipers increased the pressure, causing more drag, which in turn, caused more heat build! Soon I had a seized brake (luckily the rear one). Some waiting and break-pumping later it was fine again to ride back home. But in the end it required the TLC from the LBS.
J∆kk∆ls Posted May 12, 2015 Posted May 12, 2015 Go Shimano, problem solved! Not trying to be funny either, and before you blow your budget look at the Deore 615's Bloody fantastic brakes!
dirtypot Posted May 12, 2015 Posted May 12, 2015 I saw the topic, and before reading anything my mind said "Avid"
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