Foot Brake on 1982 Aspencade


Information and questions on GL1100 Goldwings (1980-1983)
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Aspencade1982
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Foot Brake on 1982 Aspencade

Postby Aspencade1982 » Tue Apr 02, 2013 7:43 pm



Was riding home the other night and my foot brake pedal came way up from where it should be.the brakes work fine but can't figure out why the pedal is all the way up to the valve covers now. Looked at the coil spring around brake pedal and it looked ok wondering if it might be the master cylinder? Any ideas as to why this happened and what to do to fix it would be appreciated. On the center stand rear wheel turns freely and brakes work when pressed down but the pedal is way to far up.The pedal is so far up that the spring for the stop light switch falls off



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newday777
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Re: Foot Brake on 1982 Aspencade

Postby newday777 » Tue Apr 02, 2013 8:12 pm

That's a new one, usually hear of them sticking in the down position from lack of grease on the shaft. There is a stop adjustment nut on the master cyl shaft, did the nut back out?

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Aspencade1982
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Re: Foot Brake on 1982 Aspencade

Postby Aspencade1982 » Tue Apr 02, 2013 8:46 pm

Have not checked the adjustment nut yet will do that tomorrow yeah it's a puzzler for sure

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WingAdmin
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Re: Foot Brake on 1982 Aspencade

Postby WingAdmin » Wed Apr 03, 2013 4:29 am

If I were to make a guess, I'd say that the cotter pin on the clevis pin has corroded and/or fallen out:

Image

Then this pin has fallen out, and the result is that the pedal is no longer connected to the master cylinder. When you press it, it goes and hits the master cylinder clevis, actuating it, but it's not actually connected. This is pretty dangerous, the clevis can loosen and fall off if not retained by the clevis pin and pedal.

In either case, I'd look at this immediately before riding further.

Calzone
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Re: Foot Brake on 1982 Aspencade

Postby Calzone » Wed Apr 03, 2013 5:10 pm

WingAdmin wrote:If I were to make a guess, I'd say that the cotter pin on the clevis pin has corroded and/or fallen out:

Image

Then this pin has fallen out, and the result is that the pedal is no longer connected to the master cylinder. When you press it, it goes and hits the master cylinder clevis, actuating it, but it's not actually connected. This is pretty dangerous, the clevis can loosen and fall off if not retained by the clevis pin and pedal.

In either case, I'd look at this immediately before riding further.

Beat me to it..Best he check that right away.

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Aspencade1982
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Re: Foot Brake on 1982 Aspencade

Postby Aspencade1982 » Wed Apr 03, 2013 7:59 pm

Yes I checked all the cotter keys and everything is still hooked up. thanks for the replies.Adjustment nut intact all pins have cotter keys still intact.Master cylinder is a little low' like on the low mark yep it's a puzzler for sure will post pics tomorrow maybe someone will see what I missed.

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WingAdmin
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Re: Foot Brake on 1982 Aspencade

Postby WingAdmin » Thu Apr 04, 2013 4:35 pm

Well then that's a bit of a mystery. What keeps the pedal from moving up is the stopper ring:

Image

The master cylinder itself is fastened to the frame with two bolts, so unless both of those have loosened and/or dropped out, the only thing really left is the stopper ring. That said, the whole piston would be coming out of the master cylinder if that was the case, and you would have brake fluid leaking out and no brake function at all.

So I'm very curious to see your pictures! Is the master cylinder moving around at all when the brake pedal is depressed?

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Aspencade1982
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Re: Foot Brake on 1982 Aspencade

Postby Aspencade1982 » Thu Apr 04, 2013 7:22 pm

THANKS WING ADMIN AND OTHERS FOR THE SUGGESTIONS.QUESS I WILL PULL THE MASTER CYLINDER OFF AN SEE IF THAT STOPPER SNAP RING BROKE OFF. BOLTS ALL TIGHT EVERYTHING IS HOOKED UP COTTER KEYS ALL THERE NOTHING BENT OR TWISTED. ALMOST HAS TO BE THAT SNAP RING ON MASTER CYL.BUT NO FLUID LEAKING YET BUT HAVE NOT RODE IT SINCE IT HAPPENED SO HOPEFULLY THIS WEEKEND I CAN GET THIS PROBLEM FIGURED OUT WITH ALL YOUR KIND SUGGESTIONS. WEATHER FINALLY GETTING DECENT SO NEED TO FIX THIS IT'S TIME TO RIDE :)

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Aspencade1982
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Re: Foot Brake on 1982 Aspencade

Postby Aspencade1982 » Mon Apr 08, 2013 5:26 pm

Hats off to the Wing Admin.
The circlip or snap ring was in fact popped out of the master cylinder. Guess I'll order rebuild kit and get that fixed. Did not see it until I pulled the boot back and there it was just hanging there. Thanks for all the great advice I was sure it was something simple that I did not see and low and behold it was. Thanks again for the replies. :D




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