After a bad summer health wise i decided after feeling better to put the new brake shoes on the rear. (51 chevy half ton) Took the truck for a ride all was well, It sat in the garage for about a week till i took it out for a ride again and for about a mile or so the rear tire(While Braking) locks up for a second making a small squeal when the rubber meets the road. This goes away after driving the truck maybe 3-5 miles,does not come back till the next drive after sitting over a few days. Took it apart looked ok ,adjusted the brakes back a bit SOS,should i get the drum cut to clean it up or ??????? Thanks for any feedback BJF