Does anyone know if there's a way to tighten up the wing window lever on a 90 XJ?
The drivers side is nice and snug when latched but, the passenger side has about a 1/4 to 5/16 inch gap.
I did a forum search and nothing came up. I haven't messed with it yet because I didn't want to risk damaging something without knowing what to adjust.

 

I don't know of any way to adjust them, but that doesn't mean there isn't one.
Meanwhile there's the old-fashioned way. Stick a matchbook in there.

 

Just did mine again earlier due to someone prying on it, trying to break in my XJ.
On the inside, on the handle, you'll see a small sleeve pin. Remove it, the handle will come off. Mind the handle, there is a small spring inside you don't want to lose.
After removing handle, you'll see the stem the handle slides on. In center of that stem is a screw. Tighten down screw, add some Loctite if you wish prior.
Slide handle back on stem, adjust it's swing accordingly, and press the pin back into place.
I used a small punch to push pin out with help of needle nose pliers. Philips screwdriver for screw. And channel locks to press pin back into place.
5-10 minutes, your good to go

 

Sounds good..........I'll give it a try this weekend.