2010 THOMAS BUILT BUSES SAF-T-LINER C2

SERVICE BRAKES, AIR:DISC

Daimler Trucks North America LLC (DTNA) is recalling certain 2010-2020 Thomas Built Buses Saf-T-Liner C2, 2016-2019 HDX, and 2017-2019 EFX school buses equipped with Bendix Air Disc Brakes. The driver side rear brakes may drag.

Risk: The dragging brakes may lead to high temperatures at the wheel end, increasing the risk of smoke and fire, possibly resulting in the bus having to be evacuated, which can increase the risk of injury.

EQUIPMENT

Daimler Trucks North America LLC (DTNA) is recalling certain 2002-2017 Thomas Built Buses Saf-T-Liner C2, Saf-T-Liner HDX, FS65, and Minotour school buses, equipped with Kidde Plastic-Handle or Push Button 'Pindicator' Fire Extinguishers. These extinguishers may become clogged, preventing the extinguisher from discharging as expected or requiring excessive force to activate the extinguisher. Additionally, in certain models, the nozzle may detach from the valve assembly with enough force that it could cause injury and also render the product inoperable. For a full list of the affected fire extinguisher models visit: https://static.nhtsa.gov/odi/rcl/2017/RMISC-17E062-5427.pdf

Risk: In the event of a fire, if the fire extinguisher does not function properly, it can increase the risk of injury.

EQUIPMENT

Daimler Trucks North America LLC (DTNA) is recalling certain 2005-2018 Thomas Built Buses Saf-T-Liner C2 school buses. In the event of a crash, the wheelchair pocket track anchorage may not adequately secure a the wheelchair.

Risk: In the event of a crash, an unsecured wheelchair may increase the risk of injury.

EQUIPMENT

Daimler Trucks North America LLC (DTNA) is recalling certain 2005-2018 Thomas Built Buses Saf-T-Liner C2 transit buses. In the event of a crash, the wheelchair pocket track anchorage may not adequately secure a the wheelchair.

Risk: In the event of a crash, an unsecured wheelchair may increase the risk of injury.

EQUIPMENT ADAPTIVE/MOBILITY

Daimler Trucks North America LLC (DTNA) is recalling certain model year 2006-2015 Thomas Built Buses FS-65, Saf-T-Liner C2, Saf-T-Liner EF, Saf-T-Liner EFX, Saf-T-Liner HDX, and Minotour DRW school buses manufactured January 3, 2006, to August 1, 2014, and equipped with certain Ricon model S2005, S2010, S5005, S5010, S5505, S5510 wheelchair lifts. The affected lifts are equipped with folding link arms that may have pivot holes that are too big, allowing the bearings to move out of position.

Risk: If the bearings move out of position, the stowed platform may have excessive movement resulting in failure of the platform mounting. This failure could cause the wheel chair lift platform to fall out of the vehicle when the doors are opened, increasing the risk of injury for the lift operator.

STRUCTURE:BODY:DOOR

Daimler Trucks North America LLC (DTNA) is recalling certain model year 2002-2004 Thomas Built Buses Saf-T-Liner ER, 2001-2005 Saf-T-Liner Conventional, 2002-2013 Saf-T-Liner MVP-EF, 2013 Saf-T-Liner EFX, 2001-2008 Saf-T-Liner FS65, 2005-2013 Saf-T-Liner C2, 2003-2013 Saf-T-Liner HDX, 2002-2003 Saf-T-Liner MVP-ER, 2002 Vista, and 2002-2003 TL-960 non-school buses. In the affected vehicles, the stem that connects the outside emergency door handle to the emergency door opening mechanism may corrode.

Risk: If the stem corrodes, the door handle could detach from the emergency door opening mechanism, delaying the opening of the door and the evacuation of the bus. In the event of an emergency, this may increase the risk of injury to the bus occupants.

STRUCTURE:BODY:DOOR

Daimler Trucks North America LLC (DTNA) is recalling certain model year 2002-2013 Thomas Built Buses Saf-T-Liner ER, 2001-2005 Saf-T-Liner Conventional, 2002-2013 Saf-T-Liner MVP-EF, 2013 Saf-T-Liner EFX, 2001-2008 Saf-T-Liner FS65, 2005-2013 Saf-T-Liner C2, 2003-2013 Saf-T-Liner HDX, 2002-2003 Saf-T-Liner MVP-ER, 2002 Vista, and 2002-2003 TL-960 school buses manufactured from February 5, 2001, through May 29, 2012. In the affected vehicles, the stem that connects the outside emergency door handle to the emergency door opening mechanism may corrode.

Risk: If the stem corrodes, the door handle could detach from the emergency door opening mechanism, delaying the opening of the door and the evacuation of the bus. In the event of an emergency, this may increase the risk of injury to the bus occupants.

STRUCTURE:BODY:ROOF AND PILLARS

DAIMLER TRUCKS NORTH AMERICA (DTNA) IS RECALLING CERTAIN MODEL YEAR 2010 THROUGH 2013 THOMAS BUILT SAF-T-LINER EF, SAF-T-LINER HDX, SAF-T-LINER C2, AND MINOTOUR NON SCHOOL BUSES MANUFACTURED FROM APRIL 5, 2011, THROUGH APRIL 23, 2012, EQUIPPED WITH SPECIALTY MANUFACTURING INC. (SMI) PROLO ROOF HATCHES. INCREASED FRICTION BETWEEN THE REAR PLATE ASSEMBLIES, P/NO. 009327, AND THE NYLON REAR POP-UP SUPPORT, P/NO. 008956, MAY RESULT IN AN OPENING FORCE OF THE PROLO ROOF HATCHES THAT EXCEEDS FEDERAL STANDARD REQUIREMENTS. THUS, THESE HATCHES FAIL TO CONFORM TO THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 217, "BUS EMERGENCY EXITS AND WINDOW RETENTION AND RELEASE."

Risk: IN THE EVENT OF AN EMERGENCY, EGRESS OF THE BUS MAY BE HINDERED POSSIBLY RESULTING IN INJURY TO THE VEHICLE OCCUPANTS.

EQUIPMENT ADAPTIVE/MOBILITY

DAIMLER TRUCKS NORTH AMERICA (DTNA) IS RECALLING CERTAIN MODEL YEAR 2007 THROUGH 2011 SAF-T-LINER EF, MINOTOUR, SAF-T-LINER C2, AND SAF-T-LINER HDX SCHOOL BUSES EQUIPPED WITH BRAUN CENTURY-2 AND VISTA-2 WHEELCHAIR LIFTS. OVER TIME, AND WITH FREQUENT USE, THE ROLL STOP LATCHES ON THE OUTER BARRIER MAY BECOME BENT OR MISALIGNED.

Risk: A WHEELCHAIR OCCUPANT MAY DEFEAT OR RIDE OVER THE INSUFFICIENTLY LATCHED ROLL STOP. IF THIS OCCURS WHEN THE LIFT PLATFORM IS IN AN ELEVATED POSITION, THE WHEELCHAIR’S OCCUPANT COULD FALL AND SUSTAIN INJURY.

EQUIPMENT ADAPTIVE/MOBILITY

DAIMLER TRUCKS NORTH AMERICA (DTNA) IS RECALLING CERTAIN MODEL YEAR 2007 THROUGH 2011 SAF-T-LINER EF, MINOTOUR, SAF-T-LINER C2, SAF-T-LINER HDX TRANSIT BUSES EQUIPPED WITH BRAUN CENTURY-2 AND VISTA-2 WHEELCHAIR LIFTS. OVER TIME, AND WITH FREQUENT USE, THE ROLL STOP LATCHES ON THE OUTER BARRIER MAY BECOME BENT OR MISALIGNED.

Risk: A WHEELCHAIR OCCUPANT MAY DEFEAT OR RIDE OVER THE INSUFFICIENTLY LATCHED ROLL STOP. IF THIS OCCURS WHEN THE LIFT PLATFORM IS IN AN ELEVATED POSITION, THE WHEELCHAIR’S OCCUPANT COULD FALL AND SUSTAIN INJURY.

EQUIPMENT:APPLIANCE:AIR CONDITIONER

DAIMLER TRUCKS (DTNA) IS RECALLING CERTAIN MODEL YEAR 2006 THROUGH 2011 SAF-T-LINER C2, SAF-T-LINER HDX, MVP-EF, FS-65, AND MINOTOR SCHOOL BUSES MANUFACTURED FROM JANUARY 2, 2006, THROUGH JANUARY 31, 2011, EQUIPPED WITH CARRIER GENV EM-1 EVAPORATOR UNITS. DUE TO TIME, TEMPERATURE, AND/OR VIBRATION, THE FUSE MAY LOOSEN IN THE FUSE HOLDER RESULTING IN HIGH RESISTANCE AND ARCING.

Risk: IF SUFFICIENT ARCING OCCURS, THE FUSE HOLDER MAY MELT, AND A VEHICLE FIRE MAY OCCUR.

SEATS

DAIMLER TRUCKS IS RECALLING CERTAIN THOMAS BUILT MVP-EF, HDX, AND SAF-T-LINER C2 SCHOOL BUSES MANUFACTURED FROM MARCH 17, 2009, THROUGH DECEMBER 7, 2009, EQUIPPED WITH STABILUS BLOC-O-LIFT, P/N 5561ED, DRIVER SEATS. THE WELD WHICH HOLDS THE MOUNTING TAB TO THE SHOCK BODY WAS IMPROPERLY WELDED AND CAN BREAK.

Risk: THE SEAT COULD DROP UNEXPECTEDLY WITHOUT PRIOR WARNING AND COULD CAUSE MOMENTARY LOSS OF STEERING CONTROL, POSSIBLY RESULTING IN A CRASH.

STEERING:COLUMN

DAIMLER TRUCKS (DTNA) IS RECALLING CERTAIN MODEL YEAR 2010 SAF-T-LINER C2 SCHOOL BUSES MANUFACTURED FROM OCTOBER 23, 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 2008 THROUGH 2011 SAF-T-LINER C2 AND SAF-T-LINER HDX SCHOOL BUSES MANUFACTURED FROM OCTOBER 5, 2006 THROUGH MAY 24, 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.

EXTERIOR LIGHTING:BRAKE LIGHTS:SWITCH

DTNA IS RECALLING CERTAIN MODEL YEAR 2005 THROUGH 2011 THOMAS BUILT SAF-T-LINER C2 SCHOOL BUSES MANUFACTURED BEGINNING JANUARY 19, 2005 THROUGH APRIL 16, 2010. THE STOP LAMPS MAY BE INTERMITTENT DURING LIGHT BRAKE APPLICATIONS.

Risk: THE STOP LAMPS MAY NOT PROPERLY INDICATE THAT THE SERVICE BRAKES ARE APPLIED WHICH MAY LEAD TO A CRASH WITHOUT WARNING.

STRUCTURE:BODY:DOOR

DTNA HAS NOTIFIED NHTSA ABOUT A DEFECT IN CERTAIN MODEL YEAR 2008 THROUGH 2011 THOMAS BUILT SAF-T-LINER C2 SCHOOL BUSES MANUFACTURED FROM MAY 10, 2007, THROUGH JANUARY 8, 2010. THE REED SWITCH USED TO DETECT THE POSITION OF THE AIR OPERATED FRONT ENTRANCE DOOR MAY MALFUNCTION CAUSING WARNING LIGHTS AND THE CROSSING ARM TO OPERATE IMPROPERLY DURING STUDENT LOADING AND UNLOADING.

Risk: MALFUNCTIONING WARNING LIGHTS DURING THE LOADING AND UNLOADING PROCESS COULD PUT THE STUDENTS AT RISK OF INJURY.