Right at the engine head, where the top radiator hose meets it. That is the thermostat housing. Clean it real good when dismantling and replace the new thermostat with the spring facing the engine.
According to Gates ( they make timing belts etc. ) the 3.0 L - V6 in a 1994 Plymouth Voyager is NOT an interference engine
Open the hood and find the upper radiator hose. Follow this hose to the engine and you will see the thermostat housing. There are two bolts holding the housing on. Unscrew these bolts and you will see the thermostat.
No.
No , it IS NOT an interference engine (according to the Gates website , they make timing belts etc.)
The 1997 Plymouth Voyager 3.0 liter engine coolant capacity is 5.5 gallons. The coolant should be at a minimum of 50 percent antifreeze.
No the bell housings won't match each other.
The 2000 Plymouth Voyager 2.4 liter engine radiator cooling fan relay switch can be found in the fuse box. The relay switch will be in the third column, fourth from the top.
Under the van, on the right side"frame".
The belt is self adjusted by way of a tensioner.
The camshaft position sensor is inside the distributor.
No.
4.5 quarts