The seat belt motor is located on the lower panel behind the front seats. Get in the back seat sitting it will be just above ankle height.
The 3.8 liter V6 engine in a 1991 Mercury Cougar has a timing CHAIN
Plug in your seatbelt.
The 4 cylinder has a timing belt
It must have a timing chain because Gates ( they make timing belts etc. ) only lists a timing belt for the 4 cylinder engine on a 2000 Mercury Cougar
timing CHAIN
Dual chains
The Haynes Repair Manuals would have a diagram of the serpentine belt on a 94 Mercury Cougar XR7. You can find the manual at your local library, book store, or most auto parts stores.
The 2.0 litre four cylinder engine in a 2000 Mercury Cougar has a timing BELT
In the belt book at most autoparts stores have a diagram section for serpentine belt routing.
The 2.5 litre V6 engine in a 1999 Mercury Cougar has ( 1 timing CHAIN to each cylinder head , so there are 2 timing CHAINS )
No. It is not an interference motor, and it should not be harmed by the belt breaking.
Chain and it is a very (~1000.00) costly fix.