Technical Service Bulletins
Search 172,063 manufacturer communications covering 879 vehicle makes from 1955 to 2025.
Showing 2,701 bulletins for MACK
FB-284-027
Nov 1, 2010
062000 ENGINE AND ENGINE COOLING:COOLING SYSTEM
MACK: THERE ARE ENGINE DIAGNOSTIC TROUBLE CODES AND THERE MAY NEED TO BE A SOFTWARE UPDATE. *RM
FB-373-011
Nov 1, 2010
046000 SERVICE BRAKES, AIR:ANTILOCK
MACK: THE ANTI-LOCK BRAKE SYSTEM HARNESS IS RUBBING AGAINST THE CLUTCH PEDAL WHICH CAN CAUSE THE ELECTRONIC MALFUNCTION LIGHT TO COME ON. *RM
SB-214-024
Nov 1, 2010
063000 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM
MACK TRUCKS: IF THERE IS A FAILED OUTER VALVE SPRING THERE IS A REPLACEMENT PROCEDURE. *RM
SB-258-021-2
Nov 1, 2010
061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
MACK: DIESEL EXHAUST FLUID PUMP, REPAIR. ON CERTAIN TRUCKS, REPAIRS HAS BEEN AUTHORIZED ON DIESEL EXHAUST FLUID (DEF) PUMP. THE ONLY EXCEPTION FOR THIS PROCEDURE IS TO REPLACE HEATING BRACKET ON DEF PUMP WHICH IS NOT A SERVICEABLE COMPON
SB-373-010
Nov 1, 2010
046000 SERVICE BRAKES, AIR:ANTILOCK
MACK TRUCKS: THE CLUTCH PEDAL CAN RUB AGAINS THE ANTI-LOCK BRAKE HARNESS CAUSING THE MALFUNCTION LIGHT TO GO ON. *RM
SP-645-641
Nov 1, 2010
015200 STEERING:HYDRAULIC POWER ASSIST:HOSE, PIPING, AND CONNECTIONS
MACK: POWER STEERING HOSE, REPLACEMENT. A BLUE SILICONE HEATER HOSE WAS INCORRECTLY SUBSTITUTED AND INSTALLED ON RETURN SIDE OF POWER STEERING SYSTEM FOR POWER STEERING COOLER DURING PRODUCTION. NEED TO REPLACE HOSES AND POWER STEERING F
TB-284-021
Nov 1, 2010
061000 ENGINE AND ENGINE COOLING:ENGINE
MACK: ENGINE ECU REPROGRAMMING. THE MACK MP7 AND MP8 WITH MULTIPLE ENGINE ENHANCEMENTS WILL HAVE NEW SOFTWARE. THE EGR MASS FLOW, AND AFTERTREATMENT DOSER AND NOX SENSOR ARE INCLUDED IN THE ENHANCEMENT. *PE
SA-258-001
Oct 11, 2010
093000 FUEL SYSTEM, OTHER:FUEL INJECTION SYSTEM
MACK TRUCKS: THERE IS A POSSIBLE FUEL INJECTOR LEAK AT THE FITTING THAT COULD RESULT IN ENGINE FIRES. *RM
SB-863-005
Oct 10, 2010
162200 STRUCTURE:BODY:BUMPERS
MACK TRUCKS: THERE IS A NEW FENDER SUPPORT BRACKET. *RM
SB-371-036
Oct 1, 2010
114000 ELECTRICAL SYSTEM:WIRING
MACK TRUCKS: A WIRING HARNESS CONNECTOR IN THE FRONT CHASSIS MAY NOT SEAL CORRECTLY CAUSING CORROSION. *RM
SB-386-014
Oct 1, 2010
091200 FUEL SYSTEM, OTHER:STORAGE:FUEL GAUGE SYSTEM
MACK TRUCKS: THE FUEL LEVEL SENDER IS MAKING IMPROPER CONTACT AND CAUSING THE FUEL GUAGE TO READ INCORRECTLY. *RM
SB-561-021
Oct 1, 2010
091100 FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY
MACK TRUCKS: A NEW COOLING TANK REQUIRES RE-ROUTING OF THE COMPRESSOR DISCHARGE LINE. *RM ALL MODELS ILO. UPDATED 5/5/11. *PE
FSB-371-033
Sep 1, 2010
114000 ELECTRICAL SYSTEM:WIRING
MACK TRUCK: MAIN CAB FRONT CHASSIS (MCFC) CONNECTOR. THE 102 PIN WIRING HARNESS CONNECTOR ON SOME MODEL TRUCKS BUILT BETWEEN 1/1/07-6/3/10 MAY NOT TIGHTEN PROPERLY, LEADING TO LOOSE ELECTRICAL CONNECTIONS, INTERMITTENT FAULTS OR CORROSION
FSB-851-007
Sep 1, 2010
220000 SEATS
MACK TRUCK: REAR TRIM PANEL WEAR PLATE, INSTALLATION. MODEL CHASSIS EQUIPPED WITH HIGH BACK OR MID BACK SEATS, THE SEAT BACK CAN RUB AND WEAR THROUGH THE REAR TRIM PANEL. DOES NOT APPLY TO CHASSIS EQUIPPED WITH SEARS BRAD SEATS. MODELS C
FSB-874-051
Sep 1, 2010
357100 EQUIPMENT:APPLIANCE:AIR CONDITIONER
MACK TRUCK: A/C HOSE CONDENSATION REMEDIATION. THE LOW PRESSURE A/C HOSE USED ON THE OPTIONAL REDDOT ROOF MOUNTED AIR CONDITIONING UNIT MAY DRIP CONDENSATION ONTO THE ELECTRONICS AND OPERATOR CONTROLS MOUNTED ON THE ENGINE TUNNEL. MODELS
SP-284-026
Sep 1, 2010
118000 ELECTRICAL SYSTEM:SOFTWARE
MACK TRUCK: ENGINE ECM AND ACM SOFTWARE UPDATES. NEW SOFTWARE UPDATES WITH ENHANCEMENTS ARE AVAILABLE FOR THE ENGINE CONTROL MODULE (ECM) AND AFTERTREATMENT CONTROL MODULE (ACM). DOES NOT APPLY TO MACK TRUCKS AUSTRALIA. MODEL TD. NO MOD
SP-284-027
Sep 1, 2010
061000 ENGINE AND ENGINE COOLING:ENGINE
MACK TRUCK: ENGINE ECM AND ACM SOFTWARE UPDATES. ENHANCEMENTS ARE AVAILABLE FOR THE ENGINE CONTROL MODULE (ECM) AND AFTERTREATMENT CONTROL MODULE (ACM). DOES NOT APPLY TO MACK TRUCKS AUSTRALIA. MODELS MRU, LEU, GU, CHU, CXU. NO MODEL Y
SB-352-005
Aug 1, 2010
121000 EXTERIOR LIGHTING:HEADLIGHTS
MACK TRUCKS: THE FOAM SEAL AND INADEQUATE VENTING ON TURN SIGNAL MIGHT ALLOW MOISTURE INTO THE HEADLAMPS. *RM
SB-465-001
Aug 1, 2010
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
MACK TRUCKS: THERE ARE NEW REVISED TORQUE PROCEDURES TO PREVENT THE BULL GEAR MOUNTING SCREWS FROM LOOSENING. *RM
SB-810-002
Aug 1, 2010
061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
MACK TRUCK: CAB/DASHBOARD PANEL CRACKS MAY FORM DUE TO EXCESSIVE CAB FLEXING DURING EXTREME USE OF THE TRUCKS. *RM
SB-237-010-02
Dec 1, 2009
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
MACK TRUCK: NEW COPPER SLEEVE REMOVAL PROCEDURE. A PROCEDURE HAS BEEN DEVELOPED FOR COPPER SLEEVE REMOVAL FROM THE CYLINDER HEAD ON ENGINES USING THE E3 UNIT INJECTOR. THE NEW PROCEDURE REDUCES THE POSSIBILITY OF INTRODUCING FOREIGN OBJE
SB-261-022
Dec 1, 2009
062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
MACK TRUCK: ON SOME TRUCKS THE MAIN CAB HARNESS HAS BEEN FOUND TO COME IN CONTACT WITH THE RADIATOR RECIRCULATION SHIELD ON THE COOLING PACKAGE WHEN THE CAB IS DOWN AND LOCKED IN OPERATING POSITION. *PE
SB-PI-0691
Dec 1, 2009
061120 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER
MACK TRUCK: REPLACEMENT OF THE TURBOCHARGER AND MOUNTING HARDWARE ON CERTAIN MP8 ENGINE EQUIPPED TRUCKS. THE TURBOCHARGER AND ASSOCIATED MOUNTING HARDWARE MUST BE CHANGED ON ALL TRUCKS INVOLVED IN THIS CAMPAIGN. *PE
SB-517010
Oct 6, 2009
040000 SERVICE BRAKES, AIR
MACK TRUCK: HALDEX REAR SLACK ADJUSTERS REPLACEMENT. NO MODEL YEARS LISTED. *PE
SB-230-256
Oct 1, 2009
080000 FUEL SYSTEM, DIESEL
MACK TRUCK: AIR IN THE FUEL SYSTEM, CHECK. THIS INFORMATION COVERS CHECKING FOR AIR IN THE FUEL SYSTEM ON THE MACK MP7, MP8 AND MP10 ENGINES. NO MODEL OR MODEL YEARS LISTED. *PE