please help!!

[jrb92se]

im having alot of problems with my drivers side window i have a 96 240sx se ive changed the switch and replaced the motor three times im at the end of my rope now because it was working fine and then quit again last night and is stuck down a quater inch and it rained early this morning any suggestions im tired of taking my door apart please help...... this is driving me nuts the motor works sometimes and not others i took the door panel off tapped it lovingly with a hammer and the window goes up and down freely but then slows and stops this is a brand new window motor and its the third ive had this problem with any suggestions?
Modified by jb96s14 at 12:00 AM 2/27/2006

[240Knightrider]

what about the track?

[jrb92se]

the track is good all the gears are good the springs on the right way i just keeps losing power or something. it works great one day and then doesnt the next. i

[240Knightrider]

hmmm...I dont know Ill keep thinking though. Sorry