It has a timing belt, and the water pump is driven by the same belt. Replace the water pump at the same time you replace the belt. This is an interference engine and as such if the belt breaks serious engine damage will occur. Replace the belt and pump at 102,000 miles.
A 2005 Chrysler Town and Country has a timing chain.
Chain
2.4L timing belt. 2.7L timing chain.
Chain
Yes
The 3.8L has a chain. The 4.0L has a belt.
Belt
2.7L has a chain. 3.5L has a belt 5.7L has a chain.
In a 2005 Chrysler Town and Country van : Both the 3.3 and the 3.8 litre V6 engines have a timing CHAIN
3.5 has a belt. All others have chains.
The 3.5 has a timing belt. All other engines have timing chains.
No, the timing chain is designed to last the life of the engine. It is normally replaced when the engine is overhauled.