OK I discovered the problem with my R/R power window. The plastic slide bracket broke and the arm that the bracket was supposed to hold against the window frame worked free from the window frame. I bought the bracket for $10.00. How do you install the thing when there's a rivet holding the clamp to the arm? Anybody ever do this? Do I need a riveter.

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1991 560SEL (254K miles)
1980 Lincoln Mark VI - Givenchy
1979 Lincoln Mark V Collector's Series
1979 Lincoln Town Car Collector's Series
1979 Ford "Effie" Pickup (in gradual transformation to a show/street truck)
1969 Lincoln Mark III (waiting for "Overhaulin" to call)
1989 Lincoln Towncar
2001 Lexus GS300 (spousal unit's daily driver)