STERLING ACTERRA

SERVICE BRAKES, AIR:SUPPLY:RESERVOIR/TANK

Daimler Trucks North America LLC (DTNA) is recalling certain 2004-2019 Freightliner 108SD, 114SD, 122SD, Cascadia, Columbia, Classic, FL80, FLD 120SD, Business Class M2, Western Star 4700, 4900, 6900, Sterling Acterra, L7500, LT7500, L8500, LT8500, L9500, and LT9500 vehicles. The vehicles may have an insufficient service brake air reservoir capacity. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 121, "Air Brake Systems."

Risk: An insufficient air reservoir volume may reduce brake effectiveness, increasing the risk of crash.

ENGINE AND ENGINE COOLING

DAIMLER TRUCKS IS RECALLING CERTAIN MODEL YEAR 2008 AND 2009 FREIGHTLINER BUSINESS CLASS M2 AND STERLING ACTERRA EMERGENCY VEHICLES MANUFACTURED FROM AUGUST 18, 2006, THROUGH JULY 7, 2010, EQUIPPED WITH EPA 2007 MBE 900 DETROIT DIESEL ENGINES. ENGINE SOFTWARE MAY NOT REACT PROPERLY TO CERTAIN AFTERMARKET TREATMENT DEVICE FAULT CODES. THE SOFTWARE MAY UNNECESSARILY SHUTDOWN A VEHICLE OR MAY FAIL TO SHUTDOWN A VEHICLE WITH AN AFTERMARKET DEVICE OVER-TEMP FAULT.

Risk: UNEXPECTED SHUTDOWN OF A VEHICLE MAY INCREASE THE RISK OF A CRASH. OVERHEATING OF THE AFTERTREATMENT DEVICE WITHOUT ENGINE SHUTDOWN MAY RESULT IN A FIRE.

ENGINE AND ENGINE COOLING:ENGINE

DAIMLER TRUCKS NORTH AMERICA IS RECALLING CERTAIN MODEL YEAR 2005 THROUGH 2012 FREIGHTLINER M2, STERLING ACTERRA, 7500 & 8500, AND THOMAS BUILT HDX VEHICLES MANUFACTURED FROM JUNE 23, 2004, THROUGH MARCH 15, 2011, EQUIPPED WITH SPECIFIC MBE900 EPA04 AND EPA07 MODEL ENGINES. THE INTAKE AIR GRID HEATER MAY SHORT CIRCUIT AND FAIL DUE TO EXCESSIVE INTERNAL TEMPERATURES.

Risk: A SHORT CIRCUITED GRID HEATER COULD RESULT IN A VEHICLE FIRE AND INJURY TO VEHICLE OCCUPANTS.

STEERING:COLUMN

DAIMLER TRUCKS (DTNA) IS RECALLING CERTAIN MODEL YEAR 2009 AND 2010 FREIGHTLINER BUSINESS CLASS M2, STERLING ACTERRA, A-LINE, AND L-LINE HEAVY TRUCKS MANUFACTURED FROM SEPTEMBER 8, 2008 THROUGH APRIL 20, 2009 EQUIPPED WITH TRW IGEN3 INTERMEDIATE STEERING COLUMNS. THE WELD AROUND THE IGEN3 STEERING SHAFT TUBE THAT SECURES THE SPLINE TUBE TO THE INTERMEDIATE TUBE MAY BE MISLOCATED (I.E., NOT FULLY OVER THE SEAM CREATED WHEN THE TUBES ARE PRESSED TOGETHER.)

Risk: MISLOCATED WELDS MAY RESULT IN TORSIONAL AND AXIAL STRENGTH FALLING BELOW ACCEPTABLE LEVELS. THIS CONDITION COULD RESULT IN SEPARATION OF THE STEERING COLUMN, LOSS OF STEERING CONTROL AND A VEHICLE CRASH WITHOUT WARNING.

ENGINE AND ENGINE COOLING

DAIMLER TRUCKS IS RECALLING CERTAIN MODEL YEAR 2007 THROUGH 2011 FREIGHTLINER, FCCC, STERLING, AND WESTERN STAR HEAVY TRUCKS MANUFACTURED FROM SEPTEMBER 5, 2006, THROUGH JUNE 30, 2010, EQUIPPED WITH SPECIFIC MBE900 EPA04 AND EPA07 MODEL ENGINES. THE INTAKE AIR GRID HEATER MAY SHORT CIRCUIT AND FAIL DUE TO EXCESSIVE INTERNAL TEMPERATURES.

Risk: A SHORT CIRCUITED GRID HEATER COULD RESULT IN A VEHICLE FIRE AND INJURY TO VEHICLE OCCUPANTS.