In a 1999 Ford Taurus :
The 3.0 liter " Vulcan " V6 engine has ( 1 timing CHAIN )
The 3.0 " Duratec " has ( 1 timing chain to each cylinder head , so there are 2 timing CHAINS )
You do not need to replace the timing chain because there is no timing belt at all on Ford Taurus. It has a timing chain.
It has a timing chain that should last the life of the engine.
The 1999 Ford Taurus does not have a timing belt. It has a chain that requires no maintenance.
it has a timing chain
timing chain
It has a timing chain that requires no maintenance.
timing chain
timing CHAIN
timing CHAIN
Chain
chain.
Chain