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General Discussion / 69 Ambo rear drum brake vibration
« Last post by tparr on Today at 03:46:19 PM » When applying moderate pressure on the rear drum brake I get a startling vibration/pulsating and a sound like a horn. Scared the willies out of me the first few times it happened. This just started last year.
I took the rear wheel off to inspect, thinking perhaps the pads were shot or a spring had broken, but all looked fine. I cleaned everything, filed a bevel on the pads and put it back together. Didn't solve the problem.
I'm guessing the pads are original. The bike had 23,000 miles on the odometer when I got it and have put on another 20,000 miles.
Any thoughts on corrective action?
1969 A model Ambo with 43,000 miles
I took the rear wheel off to inspect, thinking perhaps the pads were shot or a spring had broken, but all looked fine. I cleaned everything, filed a bevel on the pads and put it back together. Didn't solve the problem.
I'm guessing the pads are original. The bike had 23,000 miles on the odometer when I got it and have put on another 20,000 miles.
Any thoughts on corrective action?
1969 A model Ambo with 43,000 miles




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