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Post by hopwheels on Nov 4, 2006 15:52:48 GMT -5
Hmmmm, after taking my '78 stocker out last weekend after bleeding the front brakes, this weekend, the front piston won't move. Re-bled the brakes, and it loosened up to about normal (still a little stiff), rode around a bit, and same thing. Stuck up against the rotor. Clymer manual says that the caliper needs total rebuild (I re-used original parts on this last rebuild), with new parts (piston, seals, etc.). Any other thoughts? I did change from DOT 3 to DOT 5.1. Would that be the problem?
Gary
Hopwheels
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Post by chew652 on Nov 4, 2006 17:56:38 GMT -5
As long as you did not put in silicon DOT 5 you should be OK on that count. Did you leave enough free play at the lever? If there isn't enough play the pads can be held against the rotor and when they heat up the have no room to retract and self apply. Kind of like leaving the E-brake on in your car.
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Post by hopwheels on Nov 4, 2006 21:37:39 GMT -5
That is exactly what it feels like chew... so, how do I undo it? Re-bleed with the lever partially depressed? Thanks for any info!
Gary
Hopwheels
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Post by chew652 on Nov 4, 2006 21:57:30 GMT -5
I really am not sure. As a start I would back off on the adjustment screw at the lever and then crack the bleeder to let the pads retract.The manual I have says the ball end of the lever should move 0.2 to 0.3in. before the adj. screw hits the MC piston. I just checked my bike and I have 1/2 in. travel at the ball end and a long way to go before the lever would hit the bar. I would also check that the MC piston is returning when you release the lever. Things can get sticky at that end too.
By the way , I love those bars you sold me. Very nice,Thanks.
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Post by hopwheels on Nov 4, 2006 22:05:50 GMT -5
Hey that's right  glad they're working out for ya'. I'll check all that out. Thanks! Gary |
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glad they're working out for ya'. I'll check all that out. Thanks!