Subject: [TR] locking brake TR3

From: Q <[email-masked]>
Date: Tue, 27 Apr 2021 12:51:00 -0700

most drum brakes are "self energizing" so if the shoes are not fully 
returning the forward motion of the car will cause them to engage.  I 
would make sure that the shoes move freely.  It could be rust in the 
brake cylinder causing the piston to not return or sticking parking 
brake components or the like.

I suppose overzealous adjustment of the shoes could cause this as well.

Edward Hamer

Petaluma CA

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