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Help Me Fix ItA great place to post any problems you maybe having while working on your motorcycle. Most of us are do-it-yourselfers so this is a great way to share any information pertaining to fixing something or adding something on.
Posts: 1,484
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Sportbike: Sold :(
Stainless lines are on...and now weird problems
I put them on without a hitch. All seemed well. Now, I'm noticing a hissing noise when I stop. At first I thought it might be leaking brake fluid. Yes there was fluid leaking, but it was at the master cylinder...and it the cap was just a little loose so I tightened that up.
Now I suppose that the weird hissing could possibly be leaking brake fluid, but the braking power seems okay....although it does seem weaker than it was when I first rode it after I put the lines on. I've ridden my dads bike before when the pads got brake fluid on them, and they were definitely MUCH weaker than mine. So, any ideas?
Cliffs:
1. weird hissing
2. no visible leaks
3. braking power still very good
If any fluid got onto the pads, I'd remove them and spray the friction surfaces down with brake-cleaner....same with both sides of the rotors.... Kevin's got a good suggestion.... And like 93 said, I've heard the same kinda 'zingy' noises from new pads....probably due to them wearing in and scraping across the drill-holes in the rotors.
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"I smell blood and an era of prominent madmen"- W.H. Auden
The dead list: 04 EX500(sold), 98 VTR1000F(traded in)
07 Kawasaki ZX6R-Opened exhaust valve, Jumper mod, de-screened stock air filter, -1/+1 sprockets, green EK chain, ZG smoked double-bubble , solo cowl, Scorpio alarm.
squeeze the lever hard, really hard. now the lever should travel a bit and stop. hold the lever and maintain the same pressure for a little while. if the lever slowly moves towards the bar you have a leak somewhere (assuming the lines are bled properly).
but if the leak was enough to be audible you would see fluid spraying out of some fitting and making a big ol' mess.
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I like my headlights big and round
/\+1 to that....though I'm doubting a hydraulic issue considering the fluid is full and there's no loss of braking performance.
When you reinstalled the pads, no backing plates or little clips fell out of the pads/calipers, did they? And you did reinstall the pads in their original orientation right?
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"I smell blood and an era of prominent madmen"- W.H. Auden
The dead list: 04 EX500(sold), 98 VTR1000F(traded in)
07 Kawasaki ZX6R-Opened exhaust valve, Jumper mod, de-screened stock air filter, -1/+1 sprockets, green EK chain, ZG smoked double-bubble , solo cowl, Scorpio alarm.
I noticed with mine when I switched to steel lines that I could 'feel' that vibration of the pads on the rotor holes, while the old rubber hoses must have damped the vibration by the time it got to the lever. I just wonder if in your case it's actually making an audible noise at the lever or where the hose touches a bracket on the bike (???)
You certainly shouldn't notice any decrease in braking performance from the rubber lines 'baseline', if you do you probably need to bleed the banjo bolts and master cylinder again carefully.
Stainless lines are on...and now weird problems
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