Window Alignment Problem

Q: Window Alignment Problem

My 1968 convertible has problems with the windows. The front window has a gap of 1/4″ in the front lower corner.The front and back windows arces don’t match. Could this be wrong windows? we have had these windows adjusted and no improvement. Are there other windows that could have been installed or is there any way to correct them. The frame is good it’s never been a wreck. any ideas would greatly appreciated

A: I’m not sure if there is any adjustment in the front windows but I have removed the back window in my 1969 convertible to replace one of the rollers that go up and down on the guides (the center one) and there are quite a few adjustments to get the window to lign up correctly again. The guide mounts on 3 studs (it may be 4 but as I recall it was 3) that allow you to change the pitch of the window (to align it parallel to the front one) as well as it’s tilt (front to back). It takes a while to get it right but with some patience it’s doable. You need to remove the back seat and the arm rest and side covers to access the area.

Does the window go up and down smoothly? If not, it could be that one of the rollers is broken or popped off the guide. I actually bought mine at the Pontiac dealer (special order) for about 10 bucks.

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