[DeTomaso] rear brake problem

[Ron Wilcox]

1972/1973 half L.  I removed the rear brake calipers for greater access to the suspension.  Once the suspension work was done the calipers were remounted (with shims) but the outer pads would not fit in in the remaining gap.  I tried prying for more clearance which didn't work.  The piston looked close to fully retracted.  I got out the screw driver and tried to turn the piston 45 degrees.  Wouldn't turn. I got out the hammer.  It didn't budge.  Exactly the same story on both calipers.  To complicate the matter I made some dummy pads for the  outer gap to see if the pistons were frozen or if they moved with pedal pressure.  They moved.  Now I have one side that is locked up on the rotor.  Help!
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   1972/1973 half L.  I removed the rear brake calipers for greater access
   to the suspension.  Once the suspension work was done the calipers were
   remounted (with shims) but the outer pads would not fit in in the
   remaining gap.  I tried prying for more clearance which didn't work.
   The piston looked close to fully retracted.  I got out the screw driver
   and tried to turn the piston 45 degrees.  Wouldn't turn. I got out the
   hammer.  It didn't budge.  Exactly the same story on both calipers.  To
   complicate the matter I made some dummy pads for the  outer gap to see
   if the pistons were frozen or if they moved with pedal pressure.  They
   moved.  Now I have one side that is locked up on the rotor.  Help!