What is it doing? 90% of the time the clutch gave up the ghost due to time. If you buy the replacement kit, do not use the new metal gear, reuse yours. Once you pull the door panel unbolt the 3 bolts holding the motor to the regulator making sure the glass is either all the way down, or...
Do you realize the gear to fix the power window costs 11$ at Rock Auto and can be replaced in 25 minutes, and the bushings to fix the wiper are 6$ and again can be replaced in less than 1/2 hour, don’t you?