Brake rubbing sound?

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samblnc

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Helotes, Texas
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Sam
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2010
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Tundra
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My ‘73 has a pulsating/rubbing sound that pulses/rubs a higher frequency when I drive faster and slower/longer as a I slow down. So, as I come to a stop, it’s a loooong, high pitched rubbing sound.

This sound was happening before I did a complete front brake job this year, and it continues to make the sound. It’s loud and annoying.

My first thought is rear drum brakes, but any experience with this? I had rear drum brakes serviced, including replacement of the wheel cylinder and master cylinder, a year ago. Another shop checked the rear brakes and said the first shop did a good job, but wondering if they need attention again.

If so, I’ll tackle the rear brakes myself with any suggestions here.

Tips appreciated.
 

Blue Ox

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It's possible that the pads on the backing plate that the shoes ride on may need some grease. If the drum is a little eccentric it wil move the shoes around and make them rub on those pads.

Naturally make sure everything is functioning and adjusted properly while you're in there.
 

fast 99

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Weak return springs on drum brakes can cause noise. Unless the noise is isolated to either front or rear de-squeak both ends. Clean slides, scuff rotors and lube front brakes.
 

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