Mystery Door Rattle...

[ocarlo]

96 D1, 116k. I'm getting a definite rattle out of my rear right passenger door.
The door closes solid, seems aligned, and locks/unlocks fine.
The window actually works best out of all of them. Opened the panel
and nothing seems loose. Yet it rattles below 50mph, either when accelerating, or hitting the smallest of bumps.
Could be the window glass? or the 'striker' not clasped tightly by the latch? Sounds more like the latter.
I'm grateful she's at least running fine, but the rattle just shakes my confidence. Thanks for any tips.

 

[Icannap1]

I would wrap the inner door pull rod with felt. I had it rattle against the metal door between the door panel and door. If that stops the rattling go ahead wrap the other three doors.

 

[ocarlo]

Thanks, will try that. Actually ignored that bit, was concentrating on the regulator.
That one seems locked solid - but should check (forget the name) the part where the glass actually rests
on the bottom.

btw, the felt channel on my driver's side window - I managed to pull up the vertical part, That cut down the wind in my left ear
but can't seem to move the one on top horizontal frame, with lots silicone spray. ...any ideas?