Thomas Built Hdx School Bus — Accessories
High risk
Aug 30, 2016
Model years: 2015, 2016, 2017
On certain school buses equipped with a Ricon S-Series wheelchair lift, the platform could potentially crack due to bent knuckle link arms and/or defective bearing. Overtime, the p
Also affects: Thomas Built Minotour Drw School Bus, Thomas Built Saf-T-Liner C2 School Bus, Thomas Built Saf-T-Liner Efx School Bus
Thomas Built Hdx School Bus — Structure
High risk
Jun 29, 2015
Model years: 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013
On certain school buses, the stem which joins the outside emergency door handle to the emergency door opening mechanism may potentially corrode. Excessive material loss of the stem
Also affects: Thomas Built C2 School Bus, Thomas Built Er School Bus, Thomas Built Mvp-Ef School Bus, Thomas Built Mvp-Er School Bus, Thomas Built Saf-T-Liner Conventional School Bus
Thomas Built Hdx School Bus — Heater And Defroster
High risk
May 3, 2010
Model years: 2009, 2010
On certain buses, a heater coolant flow valve actuator O-ring may allow coolant leakage into the heater core compartment and the actuator Printed Circuit (PC) board area, potential
Also affects: Thomas Built Hdx Non-School Bus
Thomas Built Hdx School Bus — Fuel System
High risk
Dec 15, 2008
Model years: 2004, 2005, 2006
On certain vehicles, high pressure fuel lines and transfer tubes may fatigue and fracture, causing a diesel fuel leak. Fuel leakage, in the presence of an ignition source, could re
Also affects: Freightliner Business Class M2, Freightliner Custom Chassis (Fccc) Mt Chassis, Freightliner Custom Chassis (Fccc) Xc Chassis, Sterling Acterra, Sterling L-Line
Thomas Built Hdx School Bus — Electrical
High risk
Nov 19, 2008
Model years: 2003, 2004, 2005, 2006, 2007, 2008, 2009
On certain buses, circuit breakers may trip unnecessarily resulting in a loss of power to chassis and body electrical circuits. Unexpected loss of exterior lighting and/or engine s
Also affects: Thomas Built Er Non-School Bus, Thomas Built Er School Bus, Thomas Built Hdx Non-School Bus, Thomas Built Mvp-Ef Non-School Bus, Thomas Built Mvp-Ef School Bus
Thomas Built Hdx School Bus — Other
High risk
Aug 19, 2008
Model years: 2006, 2007, 2008
On certain buses equipped with a Ricon "S" or "K" series wheelchair lift platform, the threshold warning system may not detect the presence of a wheelchair/mobility aid user in a c
Also affects: Thomas Built C2 Non-School Bus, Thomas Built C2 School Bus, Thomas Built Fs-65 Non-School Bus, Thomas Built Hdx Non-School Bus, Thomas Built Minotour Non-School Bus
Thomas Built Hdx School Bus — Other
High risk
Aug 19, 2008
Model years: 2006, 2007
On certain buses equipped with Ricon "S" or "K" series wheelchair lift platforms, the anti-stow interlock may not detect the presence of a wheelchair/mobility aid user. This scenar
Also affects: Thomas Built Minotour School Bus, Thomas Built Fs-65 Non-School Bus, Thomas Built Hdx Non-School Bus, Thomas Built C2 School Bus, Thomas Built Minotour Non-School Bus
Thomas Built Hdx School Bus — Suspension
High risk
Jun 9, 2008
Model years: 2008
On certain motorhomes, the rear suspension transverse beam may have been manufactured incorrectly. Should it fail, vehicle stability while cornering would be affected, possibly res
Also affects: Freightliner Custom Chassis (Fccc) Xc Chassis, Thomas Built Hdx Non-School Bus, Freightliner Custom Chassis (Fccc) 1-800-385-4357
Thomas Built Hdx School Bus — Other
High risk
Feb 22, 2008
Model years: 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008
On certain school buses, the rear emergency exit exterior door handle may be severely weakened over time by corrosion. In the event of an emergency, a person on the outside of the
Also affects: Thomas Built Er School Bus, Thomas Built Minotour School Bus, Thomas Built Mvp-Ef School Bus, Thomas Built Mvp-Er School Bus, Thomas Built Saf-T-Liner C2 School Bus
Thomas Built Hdx School Bus — Other
High risk
Feb 21, 2008
Model years: 2003, 2004, 2005, 2006, 2007
On certain school buses equipped with Braun platform lifts, a passenger can approach the exposed lift doorway without the audible alarm alerting them of their proximity to the thre
Also affects: Thomas Built Minotour School Bus, Thomas Built Mvp-Ef School Bus, Thomas Built Saf-T-Liner C2 School Bus, Thomas Built Saf-T-Liner Fs-65 School Bus
Thomas Built Hdx School Bus — Electrical
High risk
Dec 3, 2007
Model years: 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008
On certain buses, the Type II auto reset circuit breaker temperatures may exceed the rating of the circuit board. This could cause the board to melt, potentially resulting in a veh
Also affects: Thomas Built Er School Bus, Thomas Built Er Transit Bus, Thomas Built Fs65 School Bus, Thomas Built Hdx Transit Bus, Thomas Built Mvp-Ef School Bus
Thomas Built Hdx School Bus — Brakes
High risk
Jul 11, 2007
Model years: 2002, 2003, 2004, 2005, 2006, 2007, 2008
On certain vehicles, the internal rubber check valve inside the Bendix SR-7 spring brake modulating valve can become deformed over time. The effect of this defect is intermittent a
Also affects: Sterling Acterra, Freightliner Business Class M2, Freightliner Century S/T, Freightliner Columbia, Freightliner Custom Chassis (Fccc) B2 School Bus Chassis
Thomas Built Hdx School Bus — Steering
High risk
Jul 11, 2007
Model years: 2007, 2008
On certain vehicles, the fasteners that attach the steering arm or tie rod arm to the spindle may have been over or under tightened during assembly process. Incorrectly torqued ste
Also affects: Freightliner Business Class M2, Freightliner Century S/T, Freightliner Classic, Freightliner Classic Xl, Freightliner Columbia
Thomas Built Hdx School Bus — Brakes
High risk
Mar 19, 2007
Model years: 2000, 2001, 2002, 2003, 2004
On certain school buses, the service air brake pedal, for both non-adjustable and adjustable brake pedals, may contact the front structure of the floor/firewall, limiting the maxim
Also affects: Thomas Built Mvp-Er School Bus
Thomas Built Hdx School Bus — Other
High risk
Mar 16, 2007
Model years: 2006, 2007
On certain school buses equipped with a Ricon wheelchair lift system, a misrouted wire may interfere with the lift's roll stop switch operation. The lift platform occupant may be m
Also affects: Thomas Built C2 School Bus, Thomas Built Ef School Bus, Thomas Built Fs65 School Bus, Thomas Built Minotour School Bus
Thomas Built Hdx School Bus — Brakes
High risk
Jun 13, 2006
Model years: 2007
On certain vehicles, a defect in the modulated spring brake valve casting may cause an intermittent delay in the application of the park brake. This could cause the vehicle to roll
Also affects: Freightliner Argosy, Freightliner Cargo, Freightliner Century S/T, Freightliner Columbia, Freightliner Fld
Thomas Built Hdx School Bus — Electrical
High risk
May 1, 2006
Model years: 2005, 2006
On certain school buses, the body Power Distribution Module (PDM) was manufactured with copper circuits that are too thin for the electrical loads encountered, possibly resulting i
Also affects: Thomas Built Ef School Bus, Thomas Built Fs65 School Bus
Thomas Built Hdx School Bus — Suspension
High risk
Jan 12, 2006
Model years: 2006
On certain vehicles, the front spring eyes may crack. Failure of the front springs may cause reduced steering control which could result in a vehicle crash with injuries or death.
Thomas Built Hdx School Bus — Heater And Defroster
High risk
May 10, 2005
Model years: 2001, 2002, 2003, 2004
On certain vehicles, burner tubes in the Webasto DBW 2010 Scholastic coolant heater may begin deteriorating at an accelerated rate and could fail. Burner tube failure could result
Also affects: Freightliner Fld, Thomas Built Fs65 School Bus, Thomas Built Mvp-Ef School Bus, Western Star 4900