driver window on 1993 Volvo 940

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
the window won't go all the way up and makes a chatter type of noise when the switch is pushed. Is the panal hard to pull off to see what is going on
(1) Answer
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this Volvo uses a regulator with motor; they are not sold separately. door panel is fairly easy; replacing
the bad window regulator is hard.