If the Chevy Venture's driver's side window won't roll down, it may have slipped off of its track and become stuck. The crank gears may also have gotten fouled. Removing the door panel will usually let you see what is going on with the window and to correct the problem.
Probably need to replace the window regulator.
1999 Pontiac motana mini van driver window will roll down but will not roll up ??????
window make a noise, but won't roll down
Window lock switch is out change the master switch.
Busted switch, motor or wiring.
Roll down the side window and look around the hood.
Use a side cutters and cut the cables. Tape the window up until you can replace the regulator.
Bad regulator
That means your window motor is gone bad. Probably need to be replaced.
don't roll thewindow down
you have to take of the door
go to the mercury garage compony & ask them why