GL 1100 Front Brake Question


Information and questions on GL1100 Goldwings (1980-1983)
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triketrash
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Location: Shelton, WA
Motorcycle: 1981 GL1100 Interstate

GL 1100 Front Brake Question

Postby triketrash » Wed Feb 26, 2014 6:48 pm



I checked the 'how to' on this but my front brakes are a little different than the ones shown. I just have the single piston in my caliper and it looks like my pads just kind of float in there. There is no retention mechanism other than the caliper bracket itself. Now, my question is this. I just finished rebuilding the forks- one was a leaker and soaked my pads on the right. I bought a new set from cyclemax. When I went to install them, I noticed they didn't come with that chrome backing plate on the piston side so I figured it wasn't required. Just drove the bike from Shelton to Olympia, about 20 miles ( great day for riding today here in the Seattle area by the way.) I'm hearing lots of brake squeal, and I'm thinking I should have taken that back plate off the old pads for the new ones. I don't have my tools with me- am I OK riding it this way without the plate? Again, it's a very thin chrome backing.

Furthermore, I seem to have developed a miss during the ride now noticeable at idle. I'm hoping it's a carburetor thing, but in the back of my mind, I'm worrying about that bent valve I replaced a while back. Compression was good after the job but......

Man, I'm getting tired of working on this thing. Just ready to turn the key and ride! Guess that's what I get for going for a 30 YO bike:)



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WingAdmin
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Re: GL 1100 Front Brake Question

Postby WingAdmin » Wed Feb 26, 2014 10:13 pm

triketrash wrote:I checked the 'how to' on this but my front brakes are a little different than the ones shown. I just have the single piston in my caliper and it looks like my pads just kind of float in there. There is no retention mechanism other than the caliper bracket itself. Now, my question is this. I just finished rebuilding the forks- one was a leaker and soaked my pads on the right. I bought a new set from cyclemax. When I went to install them, I noticed they didn't come with that chrome backing plate on the piston side so I figured it wasn't required. Just drove the bike from Shelton to Olympia, about 20 miles ( great day for riding today here in the Seattle area by the way.) I'm hearing lots of brake squeal, and I'm thinking I should have taken that back plate off the old pads for the new ones. I don't have my tools with me- am I OK riding it this way without the plate? Again, it's a very thin chrome backing.

Furthermore, I seem to have developed a miss during the ride now noticeable at idle. I'm hoping it's a carburetor thing, but in the back of my mind, I'm worrying about that bent valve I replaced a while back. Compression was good after the job but......

Man, I'm getting tired of working on this thing. Just ready to turn the key and ride! Guess that's what I get for going for a 30 YO bike:)


Guess what those little chrome plates are called? Anti-squeal shims. So yes, you should transfer that shim from the old one to the new one if you don't have a new replacement. It won't hurt anything without it, but it will make noise, and wear the pads just a bit faster than normal.

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seelyark1
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Motorcycle: 2000 GL1500 SE
1998 GL1500 SE Totaled
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Re: GL 1100 Front Brake Question

Postby seelyark1 » Wed Feb 26, 2014 10:28 pm

And now another rainy day job. I noticed that on my 1500 also, but that plate didn't want to come off. I left it out but now will look at the old ones again. Boy, the things you learn on here...LOL
Ride safe, and smart. Asphalt is like #1 grit sandpaper. Dave

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triketrash
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Joined: Wed Dec 04, 2013 4:36 pm
Location: Shelton, WA
Motorcycle: 1981 GL1100 Interstate

Re: GL 1100 Front Brake Question

Postby triketrash » Wed Feb 26, 2014 11:14 pm

Copy that- thanks Wingadmin:)

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Sagebrush
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Motorcycle: 1981 GL1100
1982 GL1100
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Re: GL 1100 Front Brake Question

Postby Sagebrush » Thu Feb 27, 2014 9:30 am

If you buy OEM brake pads you will get a new shims. I've never seen them included with aftermarket pads. I have been able to overcome the squealing while not having a anti squeal shim installed by using a product liquid product available at auto part stores for just that purpose. Usually comes in a small tube and is applied liberally to the back of the pad. You can get used shims from Cyclepsyco a motorcycle recycler located in your general area. Jut give Dave a call and he'll get them right out to you.

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triketrash
Posts: 144
Joined: Wed Dec 04, 2013 4:36 pm
Location: Shelton, WA
Motorcycle: 1981 GL1100 Interstate

Re: GL 1100 Front Brake Question

Postby triketrash » Thu Feb 27, 2014 12:59 pm

thanks Sagebrush- The first thing I'll try is using the one off the OEM pad, but if it doesn't work I'll look Dave up. thanks again, Vince

djddfd
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Location: St. Louis, Missouri
Motorcycle: 1980 GL1100

Re: GL 1100 Front Brake Question

Postby djddfd » Wed Aug 19, 2015 3:39 pm

I just did the front forks on my 1980 GL1100. I installed new brake pads and used the old anti-squeak shims. I still have a squeak after about 20 miles. Also, there is some light drag on the front wheel when the front is off the floor. I remover the calipers and the wheel spins freely and quiet. So I believe it is a brake issue. is there a wear in for the brake pads or do I have another issue?

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WingAdmin
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Re: GL 1100 Front Brake Question

Postby WingAdmin » Thu Aug 20, 2015 10:18 am

It could be one of a couple things - either the piston is not retracting fully into the caliper, or the caliper slide is bound up and not allowing the caliper to self-center over the rotor. It's most likely the former.

The piston issue can be dealt with by rebuilding the caliper - this is a common problem (and solution) on older Wing brakes. The caliper slide issue can be dealt with by cleaning and lubricating the slides.

See: How to rebuild your front brake calipers




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