hamill_glen Posted July 8, 2016 Report Share Posted July 8, 2016 Have just swapped over to ajp master cyclinders on my 2013 sherco . And not getting any presser in the front brake ? What could the problem be Quote Link to comment Share on other sites More sharing options...
lockie28 Posted July 8, 2016 Report Share Posted July 8, 2016 Are they second hand mastercylinders? If they are you would benifit from a seal kit. The cup seal on the piston can swell up slightly covering the hole in the mastercylinder, if they are new try back bleeding from the caliper back to the resivor using a syringe! Quote Link to comment Share on other sites More sharing options...
hamill_glen Posted July 8, 2016 Author Report Share Posted July 8, 2016 There new master cylinders . Will give the back bleeding them ago later . Quote Link to comment Share on other sites More sharing options...
lockie28 Posted July 8, 2016 Report Share Posted July 8, 2016 It's the only way .. You can spend hours bleeding them the normal way or 5 mins doing it through back bleeding. Good luck 1 Quote Link to comment Share on other sites More sharing options...
baldilocks Posted July 8, 2016 Report Share Posted July 8, 2016 Have you still got fluid in the caliper and hose? If so just turn the bars so m cylinder is at highest point, make sure the hose isn't higher where it crosses the number board or headlight. Then slowly pump the lever and you should get bubbles coming out of the cylinder. It shouldnt take more than 5 mins. If you can't get pressure it must be leaking at the joint. I only ever use the bleed nipple when doing rear brake. Quote Link to comment Share on other sites More sharing options...
hamill_glen Posted July 8, 2016 Author Report Share Posted July 8, 2016 Managed to get it done by back bleeding them . Worked first time ?? 1 Quote Link to comment Share on other sites More sharing options...
lockie28 Posted July 9, 2016 Report Share Posted July 9, 2016 Nice one Quote Link to comment Share on other sites More sharing options...
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