Another rear brake seize question


Information and questions on GL1100 Goldwings (1980-1983)
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Roadgypsy
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Motorcycle: 1980 GL1100 Goldwing w/ vetter package 1985 Suzuki Madura GV1200

Another rear brake seize question

Postby Roadgypsy » Sun Jun 14, 2015 12:27 am



Just got my first wing today, the only problem is supposed to be the rear brake hanging. Have to get snap ring pliers before can try and clean out return port, my question is-if the return port is the sole problem, shouldn't the wheel spin once I removed the master cylinder? Might need a caliper kit too...



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dingdong
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Re: Another rear brake seize question

Postby dingdong » Sun Jun 14, 2015 6:15 am

If the problem is the return port, opening the bleeder valve will release the pressure and the wheel should turn. If not then the pistons are probably seized.
Tom

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Roadgypsy
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Re: Another rear brake seize question

Postby Roadgypsy » Sun Jun 14, 2015 9:51 am

Hmm, I pulled the caliper and pushed the piston back to flush the old fluid when i tried to clean the master without disassembling it the first time. Just ran brake clean through the master without reading the right way to disassemble and clean port. I'll get snap ring pliers and try master again, but guess I'll push piston out and try to clean it up too and see if I can at least get it to work for a while till I can order both rebuild kits.

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Roadgypsy
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Re: Another rear brake seize question

Postby Roadgypsy » Sun Jun 14, 2015 10:30 am

Well, maybe I don't need to disassemble master, guessing if i feel a slight vacuum when releasing piston and my thumb over the port for the banjo fitting that means my return is clear? The hangup isn't severe, i started on center and idled in 1st and didn't hear any grinding rubbing but it did seem bike was shaking more than should, just can't turn the wheel by hand.

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Roadgypsy
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Re: Another rear brake seize question

Postby Roadgypsy » Sun Jun 14, 2015 12:00 pm

Meh, broke down and ordered rebuild kits for both and new timing belts. Not worth tearing the caliper apart to try and make it work for a couple weeks if gonna rebuild later anyway. I'll just hook the master back up push out the piston clean it up and start on fluid changes while wait for parts, hopefully can have it up and going next weekend.

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littlebeaver
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Re: Another rear brake seize question

Postby littlebeaver » Sun Jun 14, 2015 12:01 pm

Keep in mind that these brake lines if original are at least 30 old, I had a great time playing around with clogged lines before,, I actually fixed several but there's nothing like brand new brake lines.... :D

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Roadgypsy
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Re: Another rear brake seize question

Postby Roadgypsy » Sun Jun 14, 2015 12:15 pm

Aye, before I look at any distance riding I plan on covering it all, but the bike and parts about wipe me out for this week. Gonna need fork seals too, which I've already been putting off on my Madura even though I have them. Just glad to have something I can take a nice long ride on eventually, even if I could find all the parts I'd like to replace on the Maddy, it just isn't designed for it. Still alot of new and performance parts for the wing.

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Roadgypsy
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Re: Another rear brake seize question

Postby Roadgypsy » Sun Jun 14, 2015 11:49 pm

Aha, looks like i screwed up when i wiped out the caliper before reinstalling piston. pushed it back out, lubed with some brake fluid, and wheel spins free! Guess I'll have rebuild kits on the shelf when need em later. Hopefully this rain lets up in the morning and i can ride it the mile to work.




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