Have the heater core flushed. It might be plugged up with corrosion and dirt.
its at the bottom of the radiator
upper and lower end of radiator
Take it to a radiator shop. Find one in the yellow pages.
To put in more antifreeze in a 1995 Plymouth Voyager, located the reservoir near the radiator. Antifreeze is no longer added directly to the radiator. It is put into the plastic reservoir that is labeled radiator or coolant overflow.
Where is the radiator fan relay at on a 2000 Plymouth voyager
Probably on the engine end of the upper radiator hose
Try rear of radiator approx. 1/3 from the top
Under the housing where the upper radiator hose hooks to the engine.
Under the housing at the engine end of the upper radiator hose.
There should be a small valve at the bottom of the rad.
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.
The radiator fan on a 1998 Plymouth Voyager won't turn off if the engine is overheating or the temperature sensor is defective. The fan is designed to only work once the temperature has pass a certain threshold.