One problem related to radiator has been reported for the 2000 Plymouth Voyager. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2000 Plymouth Voyager based on all problems reported for the 2000 Voyager.
Heater fan constantly runs hard. Thermostat often moved in red. Vehicle was being driven 4-5 months without any antifreeze to engine. Vehicle wa sluggish, and no power was getting to engine. Thermostat was black and had burned sealing itself close. Was replaced with a new thermostat.