I would guess that moving the Roller toward the rear might keep it in better contact with the glass with the window down - as I recall it barely touches the front of the glass when the window is down.

FWIW,

Carl B.

Exactly what I determined when I put Humpty back together. A rear placement seems to work very well.

Thanks everyone for your help.

Fixitman

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Edited February 23, 201312 yr by Sean240Z