I have a 97 and I was out driving the other day in the rain when my daughter in the back seat informed me it was raining in my truck. I got to work the next day and ran TSB's. Ford has addressed this problem. You get a whole new window! Ordered one up and should have it by the end of the week. I don't have the TSB number on me, actually I think it was a special service message, but if you need it just let me know.

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1997 F-150, Dark Toreador Red, Supercab, Flareside, 4X4 Off-Road, Chrome Grizzly Wrap Around Push Bar, and Lots of TLC!!