Ever had self adjusting brakes overtighten?

Ken71Twister said

View attachment 1715473406 View attachment 1715473406
Congrats rustycow.... I think you hit the nail on the head. I replaced the rear hose this evening and cut the old hose apart. The old hose that I said “looks healthy” had a blockage. I couldn’t blow air thru the hose. I’ll add a photo showing the blocked section of hose. I’m guessing there was probably a small piece of trash that caught in the narrowed section. View attachment 1715473404

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great! what I saw in the defective hoses I ran into, was a flap of rubber on the inside of the hose that would lay down when fluid was pushing towards the wheel cylinder, but when the return springs tried to pull the shoes back, and push the brake fluid back to the MC, that flap would "pop up" and block the ID of the hose like a check valve.
great, you're making progress, now!