One problem related to radiator has been reported for the 2003 Honda CR-V. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2003 Honda CR-V based on all problems reported for the 2003 CR-V.
The clamps on the radiator were not properly sealed at the time the vehicle was manufactured. As a result the engine over heated while driving at highway speed. The anti freeze leaked out onto the engine compartment. The dealership tightened the clamp, but the head gasket blew a day later.