This will apply to 2001-2006 ZX3s
This is for the drivers side & took me about 2 hours. Got new regulator for $69 plus shipping
Follow these instructions
for door panel removal.
Unscrew speaker and then unplug.
Take out Door Latch: The screw hole is a tab that will pull out the back of the plate has an l shaped tab
Take out the crash foam It's on hooks it sort of lifts up and back
Carefully use a utilty knife to peal back the moisture barrier. It's very easy to tear.
Once you have that off here's what you have
the numbers refer to the Images below
Position the window so that the rear rail screw is accesable and secure with tape
Reposition the window so that the front rail screw is accesable and secure with tape
Pull out window from the exterior side of the door
it will come out at an angle front side down
Unscrew the 5 bolts of the regulator
Pull out the regulator
Install new regulator
Put back in window it will go in at an angle front side down
Put back the moisture barrier
Put back Door latch
Screw in speaker and then replug.
Reinstall crash foam
Put back panel