The 2.5L in a Cirrus has a timing belt, and yes it should be replaced around 100,000 miles.
No, this engine has a timing belt.
No.
The timing chain should last the life of the engine. It does not have a service interval.
The Chrysler 3.3L has a timing chain.
It has a timing belt. Replace at 100,000 miles.It has a timing belt. Replace at 100,000 miles.
Chain
Chain
Chain.
Chain
Chain
2.7L has a timing chain. 3.5L has a timing belt
2.4L timing belt. 2.7L timing chain.