Sometimes the drum itself can be worn to the extent that the shoes are actually 'embedded' into the drum. If a groove is worn in the drum, and the shoes are expanded into the groove in the drum, then the shoes will have to be released before the drum can be removed.

95 Contour Zetec, ATX (wrecked, sitting in the barn) 95 Mystique Zetec, MTX 2000 Taurus SEL 3.0L Duratec 1994 Crown Victoria LX 4.6 V8 1993 Chevy Silverado 4.3 V6