drums wont come off to change the brakes how do i loosen up the tension on the brakes on 1996 Chrysler Town & Country

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ihow to i loosen the tension for the brakes to get the drums off
(1) Answer
2 possibilities.

rust ridge on the shoes that require un adjusting the shoes from an acess hole behind the backing plate at the top.

if the drum is seized on the hub, take a hammer and hit the drum flat until it releases.