brake bleeding ... i'm gonna go nuts!

[chuck hahn]

Entire systems need to be gone thru first though or else hell never be able to tell good from bad.

[bikerzx7r1981]

right just to update you all,

its frosty outside and the garage has no heating , but i know how ecellent brakes, i bled them upside down and rotated them abit and hey presto loads of air, now the brake are fantastic....

cheers for everyones time and help

[Hoosier Daddy]

i bled them upside down and rotated them abit and hey presto loads of air, now the brake are fantastic....

Huh? Is that because your bleeders are broken and you bled through the banjo fittings... So you removed the calipers and rotated them to make the banjo fitting the highest point? Just trying to wrap my head around your fix...

[bikerzx7r1981]

Huh? Is that because your bleeders are broken and you bled through the banjo fittings... So you removed the calipers and rotated them to make the banjo fitting the highest point? Just trying to wrap my head around your fix...

Yeah pretty much, but also tilted them on the side etc, literally while i had a mate pumping brakes i was turning the caliper around while opening and shutting the valve, one caliper just suddenly had loads of air in it. the brakes are absolutely fantastic

[chuck hahn]

So the bleeders were operational then...thats weird. They are positioned to be at the highest point so all air will go up and out them. Funny that there was a dead pocket that had anything trapped!!!

[hampshirehog]

Chuck he snapped off the bleeders so replaced them with the bleeder-in-the-banjo-bolt type. So now the bleeders sit low - where the banjo bolt sits (obviously). I've done loads of these (our boys are really good at snapping off rusted up bleeders) and the trick is to swivel the caliper round on the top mounting bolt (usually) so that the banjo bolt bleeder becomes the highest point in the caliper.

By keeping the caliper semi-mounted and straddling the disc you don't have to hunt around for something to keep the pads pushed open while you pump the brake lever for bleeding.

[chuck hahn]

I hadnt read that detail in the posts. A good trick if the bleeders are stuck, is to heat the bleeder as hot as you can with a torch and then quench it with a flow of cold water..do this a few times and then some penetrating oil and they will usually snap free rather easily. If they come out but are full of rust down the holes, then heat them and quench them a few times and run a wire in and clean them out. The heat and sudden contraction from being cooled will crack the rust and oxidation loose almost every time.