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boxster_nut

Passenger window misbehaves after regulator installed - suggestions?

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I installed a used (11K miles) passenger window regulator on my Boxster.  The regulator was complete with motor.  The p/n tag on the motor of the 'new' regulator  (from a 2002 cabriolet) did not match my original one, but I was assured it would work.  Mechanically it fits fine and the windows moves up/down without any issues.

The problem is that with the top down, the window will not stay fully up or anywhere in between.  It always wants to go down.

 

With the roof up, the window will go up/down fine, and will stop anywhere in between.  With the window fully up and the door is opened, the window originally would drop ~2" and stop, then when the door is closed, it will return to the fully closed posiiton.  With the new regulator, now the window drops to the very bottom.  It's as if what ever stops the window from dropping ~2" is 'missing'....(what does tell the window to behave like this?)

 

I ran the 'recalibration' on the window but it has not helped. 

 

Any suggestions as to what may be the problem and how to resolve it?  The drivers side window has continued to work the way it always has.....

Thanks

J

 

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Could be a problem with the door lock mechanism. 

There are micro switches in it that control the window. 

The closing of the door shakes the circuit board and over time can break a solder joint or wire affecting the ops of the window. 

Often intermittent so difficult to track down. 

Happened to me, the window would start going up and down on its own.

Search door lock repair. You can take it apart and resolder a loose connection. Or replace lock. Get in there and wiggle the wires to see if that is the source of the problem. 

Hope this helps. 

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