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NHTSA safety investigation

NHTSA Investigation PE04036

Preliminary Evaluation · FREIGHTLINER LLC · ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL

ClosedPreliminary Evaluation

An investigation is not a finding that a defect exists.

NHTSA opens an investigation to examine whether a safety defect may exist. An open investigation is not a determination that a defect exists, and many investigations close without a recall. Investigations can, however, lead to one.

Model years namedModel years in our database that NHTSA associated with this inquiry. Being named in an investigation says nothing about whether an individual vehicle has any problem.
1
1 model
Opened
Apr 12, 2004
Preliminary Evaluation
Closed
Dec 6, 2004
No associated recall recorded

What NHTSA is examining

The agency's own description of the inquiry, quoted as published

DIESEL EXHAUST GAS INTRUSION

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.

An investigation is a separate record from a recall and from a manufacturer communication. A manufacturer campaign to repair a safety defect or a failure to meet a federal safety standard.

Investigation details

Identifiers, dates and outcome as recorded by NHTSA

Action number
PE04036
Investigation type
Preliminary Evaluation (PE)
Status
Closed
Manufacturer
FREIGHTLINER LLC
Component
ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL
Opened
Apr 12, 2004
Closed
Dec 6, 2004
Associated recall campaign
None recorded

Vehicles named in this investigation

1 model year across 1 model

Being named here means NHTSA included the vehicle in the scope of its inquiry. It is not a statement that these vehicles have a defect.