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Old 10-16-2020, 05:25 PM   #1
fundytides
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Default Groaning Brakes

1931 Roadster had the brakes relined in the 1960's and has been stored (indoors) ever since. After being revived, the brakes groan loudly when applied. They seem to work ok but are very noisy. I have thought of removing the drums and tapering the leading edges of the linings with a rasp. maybe a quick sanding of the face of the linings as well. Any other ideas?
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Old 10-16-2020, 06:05 PM   #2
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Default Re: Groaning Brakes

Because it’s been 60 years since they were relined it will be a very good idea To have them inspected.
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Old 10-16-2020, 06:15 PM   #3
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Default Re: Groaning Brakes

I would take the drums of if for no other reason than to grease the front wheel bearings and to re-torque the rear axel bolts.

Good idea to inspect. Not a lot of work, and you get a good look at what is a very important operating part of your car.

Enjoy.
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Old 10-16-2020, 06:26 PM   #4
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Default Re: Groaning Brakes

I wouldn't grind, sand or files the shoes because they probably contain asbestos ! The drums probably are rusty, removing them and greasing the bearings sounds like a good plan, then you could remove the rust.
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Old 10-16-2020, 09:17 PM   #5
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Default Re: Groaning Brakes

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Originally Posted by Big hammer View Post
I wouldn't grind, sand or files the shoes because they probably contain asbestos ! The drums probably are rusty, removing them and greasing the bearings sounds like a good plan, then you could remove the rust.
^^^^
This!

I hear drum brakes groan pretty often, especially if there is any rust inside the drum. Greasing the bearings is a good idea. And make sure that all of the brake mechanism, springs, etc. are free to move. The linings will take the rust off with use.

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Old 10-17-2020, 07:38 AM   #6
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Thanks everyone. Yes, I will be removing the drums to do an inspection. I will post what I find. If my memory is correct (50%/50% chance!). The linings are the woven ones with brass wire interwoven. Don't think they contained asbestos.
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Old 10-17-2020, 08:05 AM   #7
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Default Re: Groaning Brakes

Most likely surface rust on the drums, drive it and use tthe brakes often. JMO
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Old 10-17-2020, 07:35 PM   #8
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Default Re: Groaning Brakes

On my '30 Tudor, they only seem to groan when I brake on a slope in reverse. Like backing out of the garage which has a downhill slope.
Luckily I have no strange sound while braking going forward.
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Old 10-18-2020, 03:34 PM   #9
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Default Re: Groaning Brakes

Done in the 60's! I would check the wheel cylinders, fuel pump, turn signals, master cylinder, electric window motors and vacuum trunk release.....if I was looking at anything but an A! Ain't the A's simple!!!!!!
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Old 10-18-2020, 03:52 PM   #10
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Default Re: Groaning Brakes

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Originally Posted by jg61hawk View Post
Done in the 60's! I would check the wheel cylinders, fuel pump, turn signals, master cylinder, electric window motors and vacuum trunk release.....if I was looking at anything but an A! Ain't the A's simple!!!!!!
When I first started reading your comments, I didn’t know where you were going.

Great comparison!

Enjoy.
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Old 10-19-2020, 03:02 PM   #11
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Default Re: Groaning Brakes

On a similar topic: What causes squeaking brakes and how do I stop it?
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Old 10-19-2020, 04:46 PM   #12
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Default Re: Groaning Brakes

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Originally Posted by jg61hawk View Post
Done in the 60's! I would check the wheel cylinders, fuel pump, turn signals, master cylinder, electric window motors and vacuum trunk release.....if I was looking at anything but an A! Ain't the A's simple!!!!!!
Did all that between 9:00 am and 9:03 before I cleaned and reinstalled my oil pan. The only problem I had was that I had nobody to stand behind me and verify that they could see my turn signals. I couldn't find anyone that could translate what the signals meant anyway.
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