Originally Posted by Sheridan
I have a similar problem with my rear brakes when I go on long rides or when i use the brakes a lot the pressure builds up and eventually the rear brakes won't release. Still trying to figure it out as well.
Probably the flex line at the rear axle, or at least worth looking at/replacing first.

•1951 GMC 250 in the Project Journals
•1948 Chevrolet 6400 - Detroit Diesel 4-53T - Roadranger 10 speed overdrive - 4 wheel disc brakes
•1952 Chevrolet 3800 pickup
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"First, get a clear notion of what you desire to accomplish, and then in all probability you will succeed in doing it..." -Henry Maudslay-