A transmission mount is a very important part because It supports the transmission and protects it from vibrations. Depending on the structure of the tranny, there can be quite a few transmission mounts in the vehicle.
Transmission componentsThe automatic transmission bell housing covers the torque converter and the flex plate. A manual transmission protects the clutch and flywheel, but in some cases the bell housing for the manual serves as the mount for the clutch release. The bell housing bolts can also be located in the block dowels.
As for the automatic transmission, it is a little different since they are more complicated due to having many fluid passages. And it also has a case which offers a place for the transmission lubricant to be stored.
Common issues with a transmission mountA faulty transmission mount can lead to loud noises, vibrations, and turning can become a problem.