Preliminary evaluation PE04036Closed

DIESEL EXHAUST GAS INTRUSION

An investigation is a step in NHTSA's review, not a finding that a defect exists. NHTSA links no recall campaign to it.

Summary

THE PRELIMINARY EVALUATION WAS OPENED BASED ON 3 COMPLAINTS FROM DRIVERS OF 2003 MODEL YEAR (MY) FREIGHTLINER COLUMBIA TRUCK TRACTORS AND ON INFORMATION PROVIDED BY FREIGHTLINER INDICATING A KNOWN PROBLEM OF EXHAUST LEAKS IN CERTAIN DETROIT DIESEL SERIES-60 ENGINES EQUIPPED WITH A ?COOLED EGR? EMISSIONS CONTROL SYSTEM.DURING THE INVESTIGATION, ODI REQUESTED RELATED INFORMATION ON ALL 2000 MY THROUGH THE CURRENT 2005 MY FREIGHTLINER TRUCK TRACTORS FOR COMPARISON PURPOSES.ODI?S INITIAL CONCERN STEMMED FROM THE AFFECTS OF POSSIBLE CARBON MONOXIDE POISONING AND WHETHER OR NOT THIS PROBLEM MAY CONSTITUTE A SAFETY RISK.THE ?INJURY INCIDENTS? INCLUDED IN THE FAILURE REPORT SUMMARY ARE A COUNT OF SUBJECT VEHICLES IN WHICH DRIVERS REPORTED FEELING ILL AS A RESULT OF SOME KIND OF ENGINE COMPARTMENT FUMES ENTERING THE CAB OF THEIR VEHICLES, AND THE ?INJURIES? ARE THE NUMBER OF SUCH INSTANCES EXPERIENCED BY THE DRIVERS OF THESE VEHICLES.

Components named
ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROLENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE)ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE
Source: NHTSA ODI investigations file, action PE04036. Text as published by NHTSA.
Products

One product line is named

Make, model and model years as listed in the investigation record.

Products named in investigation PE04036
MakeModelModel years
FreightlinerColumbia2003
Source: NHTSA ODI investigations file.