Maybe the sliding jaw is coming out of the track, you have been in there twice, what are you doing, actually replacing the regulator? Confused on what you have been doing in there, replacing parts or what? Maybe the gear on the motor is worn out?

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Yes, replaced the window regulator twice. The gears on the motor are fine, when I take the door panel off I can see the the motor move the gear on the regulator but the arms are not moving. What am I doing wrong?

WOW I have no idea how the gear can move but not the arms, as one of the arms is part of the gear. I can only imagine that you mean the arms move but not the window, in which case the jaw isn't in the track or the stationary jaw is't attached to the door. Wish I could help, maybe one of those things where you have to see it to understand it, can you take a short video and post it to youtube???
Gilly

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