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Q:

right front brake locks up and will not release. what makes this happen? hoe do on 1993 GMC Safari

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
I replaced brke calbers on both sides bleeded them but still it locks up and will not release. WHY ?
(3) Answers
REPLACE THE FLEX HOSE, IT HAS COLLASPED INTERNALLY, PRESSURE WILL APPLY THE BRAKE BUT WILL NOT RELEASE COMPLETELY.