If the grommets just fell down, they should be lying in the engine compartment!
The shaft is open in the bottom, unless your 84 has a feature I don't know of.
Just look in the area in front of the tail light.

PerL
87 Syncro 112i

Marshall Ruskin wrote:

> anyhow, when I was installing the DS grill, the fingers pushed the grommets
> out, and down the shaft they went! I kid you not!