I'm having trouble with my driver and passenger windows rolling up and down on my 2000 pontiac montana, do i need to replace the window channels and if so what do i need? the driver side window pulls forward and binds, the passenger side rolls up and down real slow.

Need to get a wiring diagram. Buy a book and follow the wiring schematic. It should help you out majorly. Can't really work on electrical issues without one.

problem can be the door switches or the tracks
On most vehicles all of the motors get power from the master switch in the drivers door

Check for broke wire inside the flex connection from the body to the door . Opening an closing the door over time can cause wires to break .

Junk the stupid van and get something else

One of your CV joints are bad, inspect which CV joint needs to be replaced. Roll your windows down and make tight right and left corners in an empty parking lot slowly and listen for the clicking noise. If it's coming from the passenger side window or the drivers side window, which ever side the noise is coming from is the side that the CV joint has failed and will need to be replaced.
Thank you for using FIxya and replacing the front wheel bearing improperly buy hammering the CV joint out instead of using a wheel bearing puller will cause damage to the CV joint as to what you have described. Good luck and keep us posted.

Check your fuses on the passenger side dash, open the passenger door and you'll see the cover to your fuse on the side of the dash. If it's just one window that will not work, chances are that the connection in the switch e it self has gone bad and your going to have to replace the switch.
Thank you for using fixya and good luck

You may have to replace the motor. When they start to fail they often work intermittently.

That sounds like the switch is failing to me. Many times these switches get wet and or dirty which causes them to fail to make a proper contact. I have sprayed many of these switches with electrical contact cleaner and seen them work like new. I would try that first before replacing the switch.

Probably, they are real junky on those cars, I know, I have one!! I have replaced 3 of my 4 regulators!! and one motor in the drivers door.

it could be a bad swich on the passenger side because they comunicate each other, or sometiems the wiring brake just by the door where all the wiring goes to the boddy you need to open the black hose with a nife and look for broken wiring circuits