NHTSA Complaint #10448598 — 2004 FREIGHTLINER XC

1. RADIATOR TANK CRIMP FAILURE. EXCESSIVE CORROSION DUE TO UNDETERMINED ORIGIN CAUSED TANK CRIMPS TO RUST TO THE POINT OF FAILURE. VEHICLE WAS KEPT CLEAN AND DRY. CRIMPS CANNOT BE SEEN VIA NORMAL WALK AROUND INSPECTION. FAILURE CAUSES TOTAL LOSS OF COOLANT. 2. TRANSMISSION CONTROL MODULE. CORROSION ON "J" CONNECTORS BETWEEN TRANSMISSION AND ENGINE CAUSED SHORT AND FAILURE OF NON PROTECTED TCM. TRANSMISSION WOULD NOT SHIFT. DISPLAY INDICATED "TCM FAILURE". CONNECTORS CANNOT BE SEEN VIA NORMAL WALK AROUND INSPECTION. TCM IS NOT PROTECTED FROM SHORTS. 3. ENGINE BLOW- BYE. OIL BLOW-BYE IS EJECTED FROM THE ENGINE DIRECTLY ONTO THE ENGINE SIDE OF THE RADIATOR THEREBY CAUSING THE RADIATOR FINS TO CLOG AND PREVENT ENGINE COOLING. FREIGHTLINER KIT TO FIX ISSUE HAS NOT BEEN PUBLICIZED, BUT WAS MADE STANDARD ON SUBSEQUENT MODEL YEARS. ENGINE SIDE OF RADIATOR CANNOT BE SEEN VIA NORMAL WALK AROUND INSPECTION. *TR