Dragging Brake Update - Steve Saunders Goldwing Forums

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post #1 of 45 (permalink) Old 12-24-2017, 11:06 AM Thread Starter
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Dragging Brake Update

Hi Guys,
A Merry Christmas To All! So my rear brake has been dragging. I removed and rebuilt the rear caliper with new pistons, seals, and pads, cleaned and greased the guide bolt and sleeve, replaced the rubber brake hose, removed the master cylinder and ran a thin piece of wire through the relief hole (seems to be clear), installed new fluid and bled, and brakes are still dragging! I guess at this point it is time for a new master cylinder? Seems to be the only thing left? Your thoughts?
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post #2 of 45 (permalink) Old 12-24-2017, 11:22 AM
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Can you tell which side it's dragging on?

Maybe a pin is sticking.

Or a bent mounting plate.
.

Why ain't we ridin'?
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post #3 of 45 (permalink) Old 12-24-2017, 11:47 AM Thread Starter
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Originally Posted by Bike...and Dennis View Post
Can you tell which side it's dragging on?

Maybe a pin is sticking.

Or a bent mounting plate.
.
It only has one rear caliper, but if you mean on which side of the rotor, I couldn't say? Pin is greased and free. It seems now it is also making the right front bake drag as well, which tells me it is the master cylinder. Anyone know of an aftermarket shop that sells them? Wing stuff doesn't appear to have them...
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post #4 of 45 (permalink) Old 12-24-2017, 12:37 PM
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dragging brake update

rebuild m/c there are kits online. Good luck
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post #5 of 45 (permalink) Old 12-24-2017, 01:33 PM Thread Starter
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rebuild m/c there are kits online. Good luck
Thanks. Not sure rebuilding will fix it if the internal hole has an obstruction in it? The seals and all seem fine as it does build up pressure when pumped. Just doesn't release the pressure. Thinking Id just rather buy a new one than waste any more time on this...
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post #6 of 45 (permalink) Old 12-24-2017, 01:37 PM
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One side is stationary,could a spacer be in wrong?
Can you post a picture of how it’s installed.
O never mind after reading your post again,did you clean the inside of the caliper and lube the piston on assembly?

Love chasing white lines but they are difficult to catch.Hate drivers with no STOPLIGHTS.

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post #7 of 45 (permalink) Old 12-24-2017, 02:38 PM
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Though I don't think you need it, this one seems like a pretty good deal.

https://www.ebay.com/itm/1984-Honda-...QAAOSwnDpaKeAt

Why ain't we ridin'?
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post #8 of 45 (permalink) Old 12-24-2017, 04:21 PM
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Originally Posted by captng1 View Post
......... installed new fluid and bled, and brakes are still dragging! I guess at this point it is time for a new master cylinder? Seems to be the only thing left? Your thoughts?
As you can bleed the brakes the feed/return hole is clear.

Advise given here is free and comes with no warranty "Caveat emptor"

Ken.
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post #9 of 45 (permalink) Old 12-24-2017, 04:22 PM Thread Starter
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One side is stationary,could a spacer be in wrong?
Can you post a picture of how itís installed.
O never mind after reading your post again,did you clean the inside of the caliper and lube the piston on assembly?
Hi Pure Texas,
Yes, caliper was cleaned inside and piston installed with fresh brake fluid. Thanks..
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post #10 of 45 (permalink) Old 12-24-2017, 04:28 PM Thread Starter
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Originally Posted by Ken Bergen View Post
As you can bleed the brakes the feed/return hole is clear.
Hi Ken,
Not sure how you get to that conclusion? When bleeding the brakes, you are pumping fluid down the main tube and releasing it out the caliper. The return hole is not in use when sending fluid "To" the caliper or pressing Down on the pedal. as I understand it, it is only in use when the pedal is released? If in fact it is clear, then I am really stuck on why my brakes are dragging? I have done everything I can think of!...
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