rear passenger door
you have to remember that there are 2 cables that operate the door. as the door moves the motor winds one cable into the motor and the other out. Thats how you get the open close to happen. Another thing to remember is there is always some slack in the cables. Now those doors arent light by any means so when you park on a hill. Front of the car facing up and you open the door gravity wants to pull the door to the rear of the car. So as the door moves open it takes up the slack from the front cable. than the rear cable gets sucked in the motor and as it lets the front cable out you get slack again. I think its just the way it is. If both doors do the same thing thats a good inclination that its normal.
if its an auto open door it would be one of the rollers. or check the pinion switches. one of the two are fucked up!
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