It is under the housing where the upper radiator hose hooks to the engine.
I can get to it but how does one get it out?
No, they are not interchangeable.
It has a Chain.
Two
timing CHAIN
Should be in a removable housing at the engine end of the upper radiator hose
The 2004 Dodge Grand-Caravan has 12 valves.
The 2004 Dodge Grand-Caravan has a V6 engine.
A 2004 Dodge Grand Caravan has one belt.
No.
The 2004 Dodge Grand-Caravan is a gas-powered vehicle.
The 2004 Dodge Grand-Caravan has overhead valves (OHV).