Definitely the runs. I took the run out and the window goes up with speed. I took it out and cleaned it. Going to pick up some silicon spray and see if that helps. If not I will have to replace the runs I guess.
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Runs are pricey to buy but easy to install. They didn't fix my slow up-speed, nor did cleaning and grading the motor. Barely runs up at all when it's in the 30's out - have to give it a lift with my hand.
sometimes the window regulator may need to be adjusted/tightened. mine is loose and the window gets cockeyed and kinda gets jammed in the track FYI

I looked out the kitchen window Friday morning just in time to see this hawk swoop down and land on the boots I had put on my 40 hood while loading up for the xmas party. He was only there long enough for me to find my phone and get this one pic.