Re: Door noise
By the vent window and main window division bar, there is a span of sheet metal brace down inside the door just below the window slot, shaped somewhat like a U, that holds the outer door a fixed distance from the inner door. They are often broken and it causes the window slot to be too wide. For mine I bent a piece of sheet metal into a U shape, squeezed the door inner and outer panels together to close the broken joint, and pushed my patch U up onto the broken piece, JB-welding it into place. I did this when I had the glass and vent window out for refurbishment.
In 1972 trucks this prone-to-break door reinforcement is addressed by better design where a screw goes through the door at that location.
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