Rear brakes

[themailman007]

I Have A 79 Bronco W/ 35" Tires I Have Replaced The rear cyl twice this year I replace & check my brake tension by rotating the wheel by hand so that the brakes are bearly rubbing the drum am i doing somthing wrong? Thanks! they keep leaking

 

[Ziggy]

When you say "going bad", what do you mean? I assume you mean leaking, or is there something else. More info would be helpful.

 

[fbrown3]

Check to see if the drum is over sized this would allow the cups in the cyl to travel too far and pop out or the shoes are too thin just my two cents worth.