What did I do wrong?


Supporting Member
Dec 2, 2018
Detroit area
Put a new Doorman 742-150 left window motor in my 84 SS. I took everything out of the door shell, cleaned the tracks while i had it apart. Removed the old motor from the gear and bolted up the new one. reinstalled everything, works great, just zips up and down. Stops just below the belt molding, then zips back up and stops 1" short of closing. Its not hitting either of the window stops. Is there a step i missed? Is there a way i should clocked the gear differently? thanks for any help

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