Originally Posted By: 7055
Also, can anybody confirm that the 6 speed auto transmission from an '07 Montego should work without issues in an '06 Five-Hundred with 6 speed auto?
if it is an '07 Montego, make sure it's the Asin 6 speed, and not the much more common ZF CVT. if it is the Asin 6speed, and it is an 07 Montego, then yes, it will bolt right up. it's the identical setup to your car.
The engine/trans switch was in the 2008MY(along with the name changes back to Taurus/Sable). went from the Duratec 3.0 (Mondeo engine),and either the Asin 6 speed, or the ZF CVT; to the 3.5l Cyclone, and the 6F50 (6 speed auto co-developed with GM)
which btw should also just bolt up(IIRC), just make sure to get the computers from the donor car.