Vehicle report
Technical service bulletins are instructions a manufacturer sent its dealers about a known fault. They are not recalls and the work is usually not free, but they are the clearest signal of a problem the manufacturer already knows about.
SB-42-19
FREIGHTLINER: AN ISSUE WITH THERMAL OVERLOAD ON BENDIX AIR DISC BRAKES WHERE ABS SENSOR WIRES MELTS, BRAKE ACTUATOR FAILS TO PROPERLY OPERATE DUE TO VENT HOLE IN BOTTOM NOT OPENING, CALIPERS COATED WITH RED OR BRIGHT ORANGE DUST AND TAPPED AND/OR GUIDE PIN BOOTS MELTED OR OTHERWISE SHOWS HEAT DAMAGE. *KB
sbu4907
sbu4907 DEF Gauge Reading Incorrectly
35-8
FREIGHTLINER: LUBRICATING THE WHEEL BEARING, DRIVE AXLES. *JS
GI-54-44
FREIGHTLINER: THE CYCLING OF THE WINDSHIELD WIPERS EXHIBITS AN UNINTENDED CYCLE. *PE
SB-35-08
FREIGHTLINER: INSTRUCTIONS ON HOW TO LUBRICATE THE WHEEL BEARINGS ON A REAR DRIVE AXLE. *RM
SB-42-17
FREIGHTLINER: AIR MANAGEMENT UNIT (AMU) REPLACEMENT. BEGINNING 4/10, CHASSIS EQUIPPED WITH AIR BRAKES OR HYDRAULIC BRAKES WITH AIR OPTIONS, WILL BE EQUIPPED WITH AN ACCESSORY AIR VALVE ASSEMBLY (AAVA). AAVA WILL TAKE THE PLACE OF THE CURRENT AIR MANAGEMENT UNIT (AMU) USED ON THE CHASSIS. NO MODEL YEARS LISTED. *PE
SB-82-1
FREIGHTLINER: WIPERS MAY SHUT DOWN WHILE IN LOW SPEED MODE DURING VERY HARD RAIN, SNOW, AND ICE. OPERATOR HAS TO USE HIGH SPEED MODE UNTIL IGNITION SWITCH HAS CYCLED. MODEL YEARS UNKNOWN. *PE
SF-409A
FCCC FREIGHTLINER SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. MOTOR MOUNT BRACKET BOLTS. CERTAIN TRUCKS MAY HAVE BEEN BUILT WITH MOTOR MOUNT BRACKET BOLTS THAT WEREN'T ADEQUATELY TORQUED. THE MOTOR MOUNT BRACKET BOLTS WILL BE INSPECTED AND EXISTING BOLTS WILL BE RETORQUED. ANY MISSING BOLTS WILL BE REPLACED. MODELS INCLUDE CUSTOM CHASSIS B2 SCHOOL BUS CHASSIS, MB SHUTTLE BUS CHASSIS, S2 SHUTTLE BUS CHASSIS AND MT45/MT55. *PE
SB-42-16
FREIGHTLINER: RESERVOIR INTERNAL/EXTERNAL CHECK VALVE. CONTAMINATION IN THE WE/SECONDARY RESERVOIR, P/N 12-15476-000, MAY CAUSE THE INLINE CHECK VALVE TO BECOME CLOGGED OR STUCK CLOSED. THIS CAN RESULT IN INSUFFICIENT AIR BUILDUP. INCLUDES MODEL SCHOOL BUS, SHUTTLE BUS AND S2. NO MODEL YEARS LISTED. *PE
Complaint counts are reports filed with NHTSA, not failure rates. A common model collects more of them than a rare one that breaks more often.