Technical Service Bulletins
Search 172,063 manufacturer communications covering 879 vehicle makes from 1955 to 2025.
Showing 2,701 bulletins for MACK
FSB 364-038
Nov 13, 2014
117000 ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL
VEHICLE ELECTRONIC CONTROL UNIT (VECU), REPROGRAMMING, FIFTH WHEEL SLIDE. C ERTAIN MACK CHU, CXU, GU, AND TD TRUCKS EQUIPPED WITH AN AIR SLIDE FIFTH WHEEL, AND BUILT 08/18/2014 THROUGH 11/07/2014, MAY DISPLAY A ?FIFTH WHEEL SLIDE FAULT? ME
FSB 386-007
Nov 13, 2014
046300 SERVICE BRAKES, AIR:ANTILOCK:WHEEL SPEED SENSOR
Vehicle Speed Sensor, fault codes
214-019
Nov 1, 2014
060000 ENGINE (PWS)
MACK TRUCKS: EXHAUST BRAKE ROCKER ARMS AND INJECTOR RETORQUE REQUIRES REPLACEMENT. ALL VEHICLES MODELS BETWEEN 09/2014-10/27/2014 SHOULD HAVE THESE PARTS CHANGED. *LJ
284-055
Nov 1, 2014
118000 ELECTRICAL SYSTEM:SOFTWARE
MACK TRUCKS: 2013-2014 : SOFTWARE UPDATES AVAILABLE FOR ENGINE CONTROL MODULE & AFTERTREATMENT CONTROL MODULE. *LJ
364-038
Nov 1, 2014
110000 ELECTRICAL SYSTEM
MACK : "FIFTH WHEEL SLIDE FAULT" MESSAGE DISPLAYING WHEN VEHICLE CUTS OFF. THIS MAY BE CAUSED BY PARAMETER PROGRAMMING ISSUE. *LJ
386-007
Nov 1, 2014
110000 ELECTRICAL SYSTEM
MACK TRUCKS: 2012-2014: SENSOR DEFECT WHICH CAUSES VEHICLE SPEED SENSOR TO FAIL INTERNALLY. *LJ
851-009
Nov 1, 2014
350000 EQUIPMENT
MACK TRUCKS: REPAIR PEEP WINDOW MOLDING THAT IS CAUSING SEPERATION FROM HINGES AND CAUSING FALLING FROM THE DOOR. *LJ
PI 0846
Oct 23, 2014
091200 FUEL SYSTEM, OTHER:STORAGE:FUEL GAUGE SYSTEM
FUEL MANAGEMENT MODULE, REPLACEMENT. ON CERTAIN MACK CNG (COMPRESSED NATURAL GAS) MODELS, BUILT BETWEEN 05/01/2013 AND 07/25/2014, THE LOW FUEL WARNING MAY COME ON TOO EARLY AND THE FUEL GAUGE MAY SHOW FULL IF THE FUEL LEVEL SENSOR SIGNAL
FSB 371-048
Oct 17, 2014
012000 STEERING:COLUMN
CAB HARNESS INSULATION, INSTALLATION. CAB WIRING HARNESS MAY EXPERIENCE CHAFING.
FSB593013
Oct 13, 2014
353000 EQUIPMENT:ELECTRICAL
"GRADE GRIPPER SOLENOID, REPLACEMENT. ON SOME MACK CHU, CXU, GU, AND TD TRUCK MODELS BUILT BETWEEN 04/31/2008 AND 05/12/2014, THE SOLENOID VALVE FOR THE GRADE GRIPPER FEATURE IS PRONE TO INTERNAL CONTAMINATION IN HARSH ENVIRONMENTS. THE I
364-037
Oct 1, 2014
110000 ELECTRICAL SYSTEM
MACK TRUCKS: MODELS 2010-2014: THERE WILL BE NO WARNING LIGHT WHEN VECU GET SHORTED TO GND. WHICH WILL CAUSE SLIDING OF THE 5TH WHEEL WHEN NO SWITCH IS ACTIVATED. *LJ
371-048
Oct 1, 2014
350000 EQUIPMENT
MACK TRUCKS: 2007-2014: INSULATION KIT IS RECOMMENDED TO PROTECT CHAFING OF THE CAB WIRING HARNESS IN THE COLUMN BRACKET. *LJ
386-846
Oct 1, 2014
060000 ENGINE (PWS)
MACK TRUCKS: 2013-2014 FUEL MANAGEMENT GAUGE, REPLACEMENT IS REQUIRED FOR THE FOLLOWING MODELS DUE TO FUEL GAUGE SENSOR NOT PROPERLY WORKING. *LJ
432-014
Oct 1, 2014
118000 ELECTRICAL SYSTEM:SOFTWARE
MACK TRUCKS: THE CURRENT HARDWARE FOR M- DRIVE TRANSMISSION ARE ALSO USED IN THE US2010 EMISSIONS AND NEWER VEHICLES IN NORTH AMERICA ARE THE SAME PART NUMBER. SOFTWARE THAT IS PROGRAMMED MAKES THEM DIFFERENT. *LJ
593-013
Oct 1, 2014
113100 ELECTRICAL SYSTEM:STARTER ASSEMBLY:SOLENOID
MACK TRUCKS: GRAD GRIPPER NEEDS REPLACEMENT ON SOME TRUCK MODELS: MACK,CHU, CXU,GU AND TD BUILT BETWEEN 2008-2014. *LJ
PI 0854
Sep 15, 2014
060000 ENGINE (PWS)
"CONTROL MODULE SOFTWARE UPDATES. SOFTWARE UPDATES WITH ENHANCEMENTS ARE AVAILABLE FOR THE VEHICLE ECU (VECU), ENGINE CONTROL MODULE (ECM), AFTERTREATMENT CONTROL MODULE (ACM), AND INSTRUMENT CLUSTER (IC) FOR MACK MP7, MP8 AND MP10 ENGINES
FSB 080-001
Sep 3, 2014
110000 ELECTRICAL SYSTEM
9998596 BREAKOUT HARNESS. CERTAIN BREAKOUT HARNESSES (LATER VERSION OF TOOL NUMBER 9998596 WITH FIVE PAIRS OF CONNECTORS) MAY HAVE BEEN ASSEMBLED INCORRECTLY DURING MANUFACTURING. IN SOME CASES THERE MAY BE AN OPEN CIRCUIT OR MISMATCH BETW
FSB 364-037
Sep 3, 2014
117000 ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL
VEHICLE ELECTRONIC CONTROL UNIT (VECU), REPROGRAMMING FIFTH WHEEL SLIDE. ON CERTAIN MACK MODELS, BUILT BETWEEN 09/04/2010 AND 08/15/2014, WITH AN AIR SLIDE 5TH WHEEL, THERE WILL BE NO WARNING WHEN THE OUTPUT FROM THE VECU GETS SHORTED TO G
FSB-364-037
Sep 1, 2014
110000 ELECTRICAL SYSTEM
MACK: WHEN THE OUTPUT FROM THE VECU GETS SHORTED OUT TO GND, THERE IS NO WARNING AND CAUSES 5TH WHEEL TO SLIDE WITHOUT ACTIVATING 5TH WHEEL SLIDE SWITCH AND NEEDS TO BE REPROGRAM. MODEL 2010-2014 CHU, CXU, GU, TD. *PE
FSB 511-002
Aug 27, 2014
044000 SERVICE BRAKES, AIR:DRUM
Brake Drum, Replacement (Steer Axle) Some MACK CHU, CXU, GU, and TD trucks built between 08/29/2011 and 06/30/2014, equipped with a MACK 14.6k steer axle, unitized hub, and 152 mm (6.0 in) wide Bendix brake shoes can show signs of brake sho
FSB 511-008
Aug 27, 2014
030000 BRAKES (PWS)
BRAKE DRUM, REPLACEMENT (STEER AXLE) SOME MACK CXU, CHU, GU, AND TD TRUCKS BUILT BETWEEN 08/29/2011 AND 06/30/2014, EQUIPPED WITH A MACK 14.6K STEER AXLE, UNITIZED HUB, AND 152 MM (6.0 IN) WIDE MERITOR BRAKE SHOES CAN SHOW SIGNS OF BRAKE SH
FSB 511-009
Aug 27, 2014
044000 SERVICE BRAKES, AIR:DRUM
BRAKE DRUM, REPLACEMENT (STEER AXLE) SOME MACK CXU, CHU, GU, AND TD TRUCKS BUILT BETWEEN 08/29/2011 AND 06/30/2014, EQUIPPED WITH A MACK 14.6K STEER AXLE, UNITIZED HUB, AND 152 MM (6.0 IN) WIDE MERITOR BRAKE SHOES CAN SHOW SIGNS OF BRAKE SH