I've been reading about
ford V'6 engines with a chain driven water pump that when it goes costs thousands to repair. Can someone in the know let me identify whether mine has this? It looks as though it is belt driven, but not sure. car is 2013 3.7 Mustang

 

Your 3.7 has a belt driven pump..

 

Thanks much. Thought so, but wasn't sure. So with this design there's no way for the coolant to mix with engine oil should it fail?

 

No,, you dodged that bullet.

 

Well that's good news. After watching all the youtube videos of what was involved with removing the entire front half of the engine just to access the other pumps, I was all ready to sell it.

 

Only front wheel drive vehicles have the intenal water pump for that engine.
Yours can be changed in under 30 minutes. Is yours leaking?