[Tigers] Brake hung up

[CoolVT at aol.com]

Twice I've had my rear driver side brake hang up.  I've  had it apart and all 
mechanical parts and hand brake parts are clean and moving  freely. If I 
bleed off some fluid at that wheel, it frees very slightly, but  remains hug up.   
The only way that I can free up the wheel is to  squeeze on the rod of the 
brake cylinder.  So, for some reason the cylinder  rod isn't returning.
  There is only one flexible line that feeds both rear brakes  and there is 
no problem with the passenger side rear.  I can open the bleed  screw on the 
offending wheel and bleed out all the fluid in the system so it  appears that 
the lines are not blocked in any way.
  So, is it just a matter of a cylinder  rebuild? 
 
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