One problem related to radiator has been reported for the 2003 Dodge Ram 2500. The most recently reported issues are listed below.
Radiator failed on 2003 Dodge Ram 2500 hemi 4x4 at 51,000 miles. Vehicle has a 7/70 drivetrain warranty, however Chrysler said that the radiator was not covered. Chrysler had me "participate" in the repair by having me pay $150. Dealer would not tell me what was wrong with the radiator. I had to call Chrysler corporate and find out what was wrong with it. They admitted that it was a manufacturing defect.