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Squeaky front brake

FL54
Posts: 202
Joined: Sun Aug 12, 2018 5:09 pm
Location: Central Oregon
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Squeaky front brake

Post by FL54 »

I have a very irritating squeak in the front brake on my ‘63 R50/2. I have had the wheel off multiple times and marked the shoes with a sharpie. Wear seems consistent across the entire shoe. After reading Duane Ausherman’s article on the front brake, I discovered that the 2 levers move at the same time. Consequently, I discovered that both springs are the same (thicker front shoe spring). I’m going to order the correct spring for the rear shoe, but my question is, could this be the reason for the annoying squeaking? Thanks in advance.
Central Oregon

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Twocams
Posts: 781
Joined: Sun Mar 16, 2014 8:42 pm

Re: Squeaky front brake

Post by Twocams »

Possible but I do dont think so. Glazed drums inside or glazed shoes. Take some heavy sand (280?) paper
rough them up good. If the shoes dont have a taper at the end can also cause the shoes to make noise.
Grants Pass, Or.
Twocams
92 R100RT/69 R69S
2004 Aprilia Atlantic 500cc single cylinder Scooter
83 Honda V65 Magna, fastest production bike in1983
2015 Can Am Spider SE6 1,688 miles
2018 Moto Guzzi V711 Special

FL54
Posts: 202
Joined: Sun Aug 12, 2018 5:09 pm
Location: Central Oregon
Has thanked: 6 times

Re: Squeaky front brake

Post by FL54 »

Thanks Two Cams. I have roughed up both the shoes and the drum and the ends of the shoes are tapered but perhaps not enough. I’ll taper them more next time I have the drum off. Having the wrong spring may not be the problem but it isn’t correct so I’ll rectify it anyway.
Central Oregon

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skyler.robbins
Posts: 227
Joined: Sat Sep 22, 2018 4:14 pm

Re: Squeaky front brake

Post by skyler.robbins »

Please take a picture of the assembly when you have it off.. sometimes we may see something that doesn't look right.

Robert

FL54
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Re: Squeaky front brake

Post by FL54 »

Will do Robert. Ordering the spring from Vech this morning.
Central Oregon

FL54
Posts: 202
Joined: Sun Aug 12, 2018 5:09 pm
Location: Central Oregon
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Re: Squeaky front brake

Post by FL54 »

C41B04A9-9EAD-4AAA-A3FF-71585A7DC8CE.jpeg
I decided to pull the wheel again to make sure I didn’t need anything else when ordering the correct rear spring. On yesterday’s ride I noticed that the squealing only occurs at low speeds like approaching a stop sign etc. Don’t know if that makes a difference, just an observation. Over 20 mph it makes no sound. Anyone see anything amiss? I might add that the shiny edge of the shoes were sanded down because on the previous wheels on the bike, they were contacting the inside of the drum.
Thanks.
Central Oregon

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Twocams
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Re: Squeaky front brake

Post by Twocams »

Those look like semi-metallic shoes. Lots of metal in material. Could make them nosier. Check the drums are they under cut to much? Drums to thin can cause noise too.
Twocams
92 R100RT/69 R69S
2004 Aprilia Atlantic 500cc single cylinder Scooter
83 Honda V65 Magna, fastest production bike in1983
2015 Can Am Spider SE6 1,688 miles
2018 Moto Guzzi V711 Special

FL54
Posts: 202
Joined: Sun Aug 12, 2018 5:09 pm
Location: Central Oregon
Has thanked: 6 times

Re: Squeaky front brake

Post by FL54 »

Thanks for response Twocams. They are metallic brakes. They’re on the rear as well but the rear brake doesn’t make any noises.
Central Oregon

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skyler.robbins
Posts: 227
Joined: Sat Sep 22, 2018 4:14 pm

Re: Squeaky front brake

Post by skyler.robbins »

Looks good other than the spring mishap you caught earlier..

Daves79x
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Location: Knox, PA. USA
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Re: Squeaky front brake

Post by Daves79x »

The edge of the shoes should never contact the drum. I'd be checking for all the correct hub components and that the bearings are correctly shimmed.

Dave
Dave

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