Technical Service Bulletins
Search 172,063 manufacturer communications covering 879 vehicle makes from 1955 to 2025.
Showing 2,701 bulletins for MACK
SB-258-011
Oct 1, 2009
116000 ELECTRICAL SYSTEM:IGNITION
MACK TRUCK: AFTERTREATMENT DPF SPARK ASSISTED IGNITION SYSTEM ELECTRODE TEST PROCEDURE. AFFECTED MODELS LEU, MRU. NO MODEL YEARS LISTED. *PE
SB-258-012
Oct 1, 2009
092200 FUEL SYSTEM, OTHER:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS
MACK TRUCK: AFTERTREATMENT DPF SPARK ASSISTED SYSTEM NOZZLE TEST. MAY REQUIRE A FIELD NOZZLE TEST TO DETERMINE IF THERE IS BLOCKAGE IN THE NOZZLE. NO MODEL OR MODEL YEARS LISTED. *PE
PI-0689
Sep 18, 2009
061000 ENGINE AND ENGINE COOLING:ENGINE
MACK TRUCKS: TURBOCHARGER REPLACEMENT AND SOFTWARE UPDATE. AUTHORIZATION GIVEN TO REPLACE THE TURBOCHARGER AND MOUNTING HARDWARE ON CERTAIN MP10 ENGINE EQUIPPED VEHICLES. APPROXIMATELY 120 VEHICLES ARE INVOLVED IN THIS CAMPAIGN. THE TUR
TSB-215-88
Sep 1, 2009
061000 ENGINE AND ENGINE COOLING:ENGINE
MACK TRUCKS: CAMSHAFT SENSOR REPLACEMENT. THIS COVERS GUIDELINES FOR REPLACING THE CAMSHAFT SENSOR ON THE MACK MP7, MP8 AND MP10 ENGINES. NO MODEL YEARS LISTED. *PE
SB-730002
Aug 7, 2009
040000 SERVICE BRAKES, AIR
MACK TRUCK: SENSOR, ADAPTIVE CRUISE WITH BRAKING (ACB), ALIGNMENT. THIS BULLETIN CONTAINS INFORMATION FOR CHECKING THE ALIGNMENT AND ADJUSTING THE ADAPTIVE CRUISE WITH BRAKING (ACB) SENSOR FOUND ON CXU, CHU, GU AND TD MODEL MACK TRUCKS.
SB-730003
Aug 7, 2009
114000 ELECTRICAL SYSTEM:WIRING
MACK TRUCK: CHASSIS WIRING HARNESS, ACB SENSOR, REPLACEMENT. THIS BULLETIN CONTAINS INFORMATION FOR THE REPLACEMENT OF THE ADAPTIVE CRUISE WITH BRAKING (ACB) SENSOR CHASSIS OVERLAY WIRING HARNESS, FOUND ON CXU, CHU, GU AND TD MODEL MACK T
SB-313006
Aug 6, 2009
101000 POWER TRAIN:CLUTCH ASSEMBLY
MACK TRUCK: AIR ASSIST CLUTCH CONVERSION. AIR ASSIST TO NON ASSIST CLUTCH CABLE CONVERSION. THE AIR OPERATED CLUTCH ASSIST SYSTEM WAS DESIGNED TO REDUCE CLUTCH PEDAL EFFORT BY APPROXIMATELY 20%, ALONG WITH REDUCING THE CLUTCH PEDAL TRAVE
SB-222017
Aug 3, 2009
061000 ENGINE AND ENGINE COOLING:ENGINE
MACK TRUCK: UNIT INJECTOR HARNESS TERMINAL REPLACEMENT. POOR CONTACT BETWEEN THE UNIT INJECTOR MALE TERMINALS AND THE HARNESS CONNECTOR FEMALE TERMINALS CAN RESULT IN UNIT INJECTOR FAULTS (SID 1-6, FMI 3 OR FMI 5) ON MACK MP7 (US04 OR US0
SB-214064
Jul 15, 2009
061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
MACK TRUCK: DISCHARGE RECIRCULATION VALVE (DRV) AIR LINE SERVICE KIT 21377589 HAS BEEN DEVELOPED FOR THE REPAIR OR REPLACEMENT OF DRV AIR LINE ON MACK MP7 ENGINES. IF THE DPF (DIESEL PARTICULATE FILTER) FAILED REGENERATION DUE TO SLOW T1
PI-0684
Jul 10, 2009
118000 ELECTRICAL SYSTEM:SOFTWARE
MACK: LOW NOX IDLE, DOES NOT FUNCTION WITH HAND THROTTLE. THE ELECTRONIC HAND THROTTLE ON CERTAIN CHU, CXU, GU AND TD MODEL CHASSIS WHEN ENGAGED, WILL OVERRIDE THE LOW NOX IDLE COMPLIANCE. A LIST OF AFFECTED CHASSIS HAS BEEN SENT TO ALL
PI-0676
Jul 8, 2009
012000 STEERING:COLUMN
MACK TRUCK: STEERING COLUMN LOCKING MECHANISM INSPECTION AND ADJUSTMENT. ON CERTAIN CXU, CHU, GU AND TD MODELS, THE STEERING COLUMN MAY NOT REMAIN LOCKED IN THE DESIRED TILTED POSITION. TO CORRECT THIS CONDITION THE STEERING COLUMN LOCK
P-1662
Jun 30, 2009
061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
MACK TRUCK: MODELS CXU, CHU, GU, MRU AND LEU CHASSIS. US07 MP7 ENGINE MANAGEMENT SYSTEM (EMS) SOFTWARE UPGRADE. THE REVISION INCLUDES A REDUCTION I N PEAK INJECTION PRESSURES TO IMPROVE LONGEVITY OF UNIT INJECTOR COMPONENTS. *PE
SP-10682
Jun 19, 2009
061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
MACK TRUCK: NBR COMBUSTION WASHER AND UNIT INJECTOR YOKE UPGRADE. CERTAIN MACK MP8 ENGINES MAY EXPERIENCE COMBUSTION LEAKAGE AT THE UNIT INJECTOR SLEEVE. BECAUSE OF THIS MACK TRUCKS, INC. HAS AUTHORIZED UPGRADING THESE ENGINES WITH NBR COM
SP-P10681
Jun 17, 2009
061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
MACK TRUCK: UNIT INJECTOR SLEEVE, NBR COMBUSTION WASHER AND UNIT INJECTOR YOKE UPGRADE; CERTAIN ENGINES MAY EXPERIENCE COMBUSTION LEAKAGE AT THE UNIT INJECTOR SLEEVE. MACK TRUCKS, INC HAS AUTHORIZED UPGRADING OF THESE ENGINES WITH UNIT INJ
SB-535003
Jun 15, 2009
050000 PARKING BRAKE
MACK TRUCK: PARKING BRAKE ALERT. THE NEW ALERT IS MEANT TO INFORM THE VEHICLE OPERATOR THAT THE PARKING BRAKE HAS NOT BEEN APPLY WHILE ATTEMPTING TO EXIT THE VEHICLE. MODELS CXU, CHU, GU, AND TD. NO MODEL YEARS LISTED. *PE
SP-10687
Jun 15, 2009
061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
MACK TRUCKS: HAS AUTHORIZED REPLACEMENT OF THE TURBOCHARGER AND MOUNTING HARDWARE ON CERTAIN MP8 ENGINE EQUIPPED VEHICLES. NO MODEL OR MODEL YEARS LISTED. *PE
SB-P10683
Jun 10, 2009
050000 PARKING BRAKE
MACK TRUCK: ELECTRONIC HAND THROTTLE FUNCTIONS REGARDLESS OF PARK BRAKE STATUS; IT HAS BEEN DETERMINED THAT THE ELECTRONIC HAND THROTTLE ON CERTAIN MRU AND LEU MODEL CHASSIS WILL FUNCTION WITH THE PARKING BRAKE DISENGAGED, THUS ALLOWING THE
SB-735006
Jun 9, 2009
046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
MACK TRUCK: MACK ROAD STABILITY ADVANTAGE (RSA) ENHANCEMENTS. NO MODEL YEARS LISTED. *PE
SB-214063
Jun 3, 2009
061320 ENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO/SUPERCHARGER
MACK TRUCK: NEW DRV AIR LINE ROUTING. TRUCKS MAY DEVELOP AN OIL LEAK IN THE TURBOCHARGER OIL DRAIN TUBE DUE TO ABRASION FROM THE STAINLESS BRAIDED DRV AIR LINE. THE STAINLESS BRAIDED AIR SUPPLY LINE TO THE DISCHARGE RECIRCULATION VALVE IS
PI-0685
May 28, 2009
980000 UNKNOWN OR OTHER
MACK TRUCK: INCORRECT YAW RATE SENSOR MOUNTING BRACKET. THE INCORRECT MOUNTING BRACKET RESULTS IN THE YAW RATE SENSOR BEING MOUNTED INCORRECTLY, WITH THE SENSOR FACING TOWARD THE FRONT OF THE CHASSIS. NO MODEL YEARS LISTED. MODEL GU7
SA-732-001
May 5, 2009
118000 ELECTRICAL SYSTEM:SOFTWARE
MACK TRUCK: THE VMAC III VEHICLES DURING THE COURSE OF REPROGRAMMING OR FAILURES OF THE VECU EXPERIENCE LOST OF ODOMETER AND ENGINE HOURS SETTINGS. A PROCESS HAS BEEN CREATED TO ALLOW THE LOST DATA TO BE REINSTALLED IN THE VECU. NO MOD
SB 329007
Apr 22, 2009
061000 ENGINE AND ENGINE COOLING:ENGINE
TRANSMISSION OIL COOLER PIPING REVISION. *PE UPDATED 7/8/09. MODEL YEARS UNKNOWN. *PE
SB-22499
Apr 21, 2009
103600 POWER TRAIN:AUTOMATIC TRANSMISSION:COOLING UNIT AND LINES
MACK TRUCK: THE TRANSMISSION OIL COOLER COOLANT SUPPLY PIPING ARRANGEMENT MAY PREVENT INSTALLATION OF A DRIVESHAFT TO AN ACCESSORY PUMP WITH THE TRANSMISSION MOUNTED PTO LOCATED IN THE 8 O'CLOCK POSITION. MODEL YEARS UNKNOWN.
PI-677
Apr 3, 2009
061120 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER
MACK TRUCK: TURBOCHARGER AND TURBOCHARGER MOUNTING HARDWARE REPLACEMENT. MACK TRUCKS HAS AUTHORIZED REPLACEMENT OF THE TURBOCHARGER AND MOUNTING HARDWARE ON CERTAIN MP10 ENGINE EQUIPPED TD MODEL CHASSIS. DEALERS HAS LIST OF AFFECTED VEH
PI-678
Apr 3, 2009
061000 ENGINE AND ENGINE COOLING:ENGINE
MACK TRUCK: EXHAUST MANIFOLD GASKETS, TURBOCHARGER AND TURBOCHARGER MOUNTING HARDWARE REPLACEMENT. MP10 ENGINE EQUIPPED CHASSIS. NO MODELS OR MODEL YEARS LISTED *PE