One problem related to radiator has been reported for the 2003 Nissan Pathfinder. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2003 Nissan Pathfinder based on all problems reported for the 2003 Pathfinder.
We were driving our Pathfinder home in the winter the ecsessive amount of salt on the road caused our main water flow to corrode and stall the engine and caused the radiators thermostat to break and the car overheated.