The windows on my rig seemed to work great when I got it back in July. But I have noticed they were not so good in the cold (20f) when I was elk hunting. They were slow and would get stuck or almost stop at about 80% up. I read that if they are only slow in the cold than new window runs are in order. Today, I pulled my passenger door apart and replaced the runs. I also removed the window motor and regulator. I cleaned all the grime and old grease out of the regulator tracks and re-greased it all.
I acontinued to remove the motor and opened it up because I found a thread detailing how to clean and service the electric motor. Once I got the motor open I was very surprised to see it looked super clean(the joys of a low mileage rig). I just went ahead and added a little bit of fresh petroleum jelly to the gear in the motor and put it back together. The regulator was much easier to move by hand after the cleaning and new grease. I also fixed the old vapor barrier while I was in there.
Sadly the window didn't seem any faster than before. I timed it going up at 8 seconds before I started and after all that work it still takes 8 seconds. But I guess 8 seconds is good enough if the window doesn't get stuck when it is cold. I will have to wait and see if it is any better next time I get out hunting or maybe Ice fishing if I am lucky.
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New motors are needed.