First off I am new to the forum, I have a owned a few cutlass's in the past But my Hobby or choice is the Taurus S.H.O. I Presently own a 91 Cutlass Supreme that I bought from my grandma for a very fair price. It;s the 3.1 with 4 speed Trans and sport package and Digital Dash along with a handful of other offered options. Btw car only has 62,000 Miles on it and has always been garaged it whole life. Was a one owner my Grand parents bought it brand new in 91 for 18 Grand. It has only been driven on trips and in the last 10 years has only been driven under a 1,000 miles. I have put some money in the car but not much, as in plugs, wires, coil and a few other miscellaneous small stuff. So on to my problem.... When driving down the road at about 55+ Mph I get a annoying squeak/ squeal sound from the passenger window. Has anyone had this related problem and what could it be. Everything looks the same when compared to the Driver window. I tried some window sealer in some of the cracks and didnt seem to help. Any tips or ideas would be greatly appreciated!

 

I used to get unusual wind noise if the breakaway mirror was bumped slightly out of position on my Alero, maybe yours is moved also?
The noise could also be coming from loose trim around the windshield.