I replaced the trans mount on my 99 obw 4eat when I pulled the engine. The rubber was worn and the center pin was missing. I bought a new mount and pin with the rubber bashing. Was under the car yesterday and noticed the pin was gone again! I only put about 3k miles on it. I can see that it shared off at the threads. Just a coincidence?

Is the pitch rod stopper still on the car like it is supposed to be?

 

up on the firewall center..

That's the "dog bone" right? If so, yes it is there. Maybe bad motor mounts? They looked fine.

Any ideas? Before I order a new one and ruin that?