Technical Service Bulletins
Search 172,063 manufacturer communications covering 879 vehicle makes from 1955 to 2025.
Showing 2,701 bulletins for MACK
FSB-284-063
Sep 1, 2015
060000 ENGINE (PWS)
MACK TRUCK: DIAGNOSTIC TROUBLE CODES (DTC) ILLUMINATES INFORMATION DISPLAY WHEN TWO OR MORE ACTIVE DTC ARE SIMULTANEOUS AND ENGINE ECM NEED CALIBRATION TRANSFER FROM ELECTRONIC SYSTEMS DATABASE AND NETWORK (ESDN), USING INSITE, AS REQUIRED
PI 0859
Aug 31, 2015
263000 FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL
FRONT RADAR, FAILURE. CERTAIN MACK CHU, CXU, AND GU TRUCKS BUILT BETWEEN 11/11/2013 AND 01/14/2015, EQUIPPED WITH FRONT RADAR MAY EXPERIENCE LOSS OF FRONT OBJECT DETECTION OR ERRATIC OPERATION OF CRUISE CONTROL FUNCTIONS. THE TERMINAL SEAL
FSB 284-061
Aug 28, 2015
060000 ENGINE (PWS)
REGENERATION TEMPERATURES. CERTAIN MACK VEHICLES BUILT BETWEEN JANUARY 1, 2013 AND AUGUST 17, 2015 MAY EXPERIENCE A PREMIUM TECH TOOL (PTT) ERROR CODE 38 FOR SCR OVERTEMP WHEN PERFORMING A PTT REGENERATION. IF ERROR CODE 38 OCCURS, CHECK T
FSB 261-037
Aug 25, 2015
062000 ENGINE AND ENGINE COOLING:COOLING SYSTEM
LOW COOLANT LIGHT. SOME MACK MODEL TRUCKS EQUIPPED WITH CUMMINS ENGINE MAY SHOW THE LOW COOLANT LIGHT ON THE DASH OR HAVE A MID-LEVEL COOLANT DIAGNOSTIC TROUBLE CODE (DTC) LOGGED IN THE ENGINE ECU. CERTAIN DRIVING CONDITIONS CAN TRIGGER TH
FSB 217-004
Aug 7, 2015
060000 ENGINE (PWS)
OIL PAN SEALING RING, REPLACEMENT. SOME MACK VEHICLES EQUIPPED WITH MP8 ENGINES BUILT SINCE JANUARY 2010 REPORT OIL LEAKING AT THE DRAIN PLUG INSERT IN THE 13L PLASTIC OIL PAN (PART NUMBER 21368390) DUE TO O-RING MATERIAL DEGRADATION. IF O
FSB-284-061
Aug 1, 2015
060000 ENGINE (PWS)
MACK TRUCK: SHOULD REPROGRAMMED ENGINE ECU AND AFTERTREATMENT CONTROL MODULE (ACM) DUE TO PREMIUM TECH TOOL EXPERIENCE AN ERROR CODE 38 FOR SCR OVERTEMP AND ENGINE ECU SOFTWARE NEEDS CHECKING FOR ANY TROUBLESHOOTING IS PERFORMED. MODEL 20
FSB-284-062
Jul 1, 2015
060000 ENGINE (PWS)
MACK TRUCK: DURING EXTREMELY COLD AMBIENT TEMPERATURES, AT START UP, SOME TRUCKS MAY EXPERIENCE THROTTLE DELAYS, UNTIL ENGINE TEMPERATURES ARE OPERATIONAL ACHIEVED. MODEL 2014-15 LEU, MRU. *PE
FSB 284-062
Jun 5, 2015
060000 ENGINE (PWS)
MP7 345R THROTTLE DELAY AT COLD START, CERTAIN MACK MP7 345R ENGINES BUILT BETWEEN FEBRUARY 7, 2014 AND JULY 6, 2015 MAY EXPERIENCE EXCESSIVE THROTTLE DELAY AT START UP DURING EXTREMELY COLD AMBIENT TEMPERATURES UNTIL NORMAL ENGINE OPERATIN
FSB 593-013
May 21, 2015
103000 POWER TRAIN:AUTOMATIC TRANSMISSION
GRADE GRIPPER SOLENOID, REPLACEMENT. ON SOME MACK CHU, CXU, GU, AND TD TRUCK MODELS BUILT BETWEEN 04/31/2008 AND 05/11/2015, THE SOLENOID VALVE FOR THE GRADE GRIPPER FEATURE IS PRONE TO INTERNAL CONTAMINATION IN HARSH ENVIRONMENTS.
FSB 386-009
May 11, 2015
060000 ENGINE AND ENGINE COOLING
COOLANT LEVEL SENSOR, REPLACEMENT. THE COOLANT LEVEL SENSOR (PART NUMBER 21257608) ON SOME MACK CABOVER TRUCKS BUILT BETWEEN 10/04/2008 AND 02/20/2015 MAY FAIL INTERNALLY. FAILURE OF THE SENSOR CAN CAUSE THE MALFUNCTION INDICATOR LIGHT (MI
FSB 873-019
May 11, 2015
350000 EQUIPMENT
HEATER BLOWER MOTOR RELAY, REPLACEMENT. ON SOME MACK LEU TRUCKS BUILT BETWEEN 10/16/2008 AND 9/29/2014, CONTINUOUS USE OF THE HEATER BLOWER MOTOR CAN CAUSE FAILURE OF THE HEATER BLOWER MOTOR RELAY AND WIRE TERMINALS. IF THE BLOWER MOTOR IS
284-057-01
May 1, 2015
118000 ELECTRICAL SYSTEM:SOFTWARE
MACK TRUCKS, INC. : FIELD SERVICE BULLETIN INFORMATION REGARDING, HIGH SOOT OUTPUT ENGINES MAY EXPERIENCE ROUGH RUNNING AT LOWER THAN NORMAL BASE IDLE SPEED. SOFTWARE HAS BEEN RELEASED, AFFECTED ENGINES ARE MP7& MP8 BUILT BETWEEN FEB- MARCH
386-009-01
May 1, 2015
118000 ELECTRICAL SYSTEM:SOFTWARE
MACK TRUCKS, INC.: FIELD SERVICE BULLETIN TRUCKS: THE COOLANT LEVEL SENSOR ON SOME MACK CABOVER TRUCKS BUILT BETWEEN 10/04/2008 - 2/20/2015 MAY FAIL INTERNALLY. CCOLANT SENSOR TO BE REPLACED WITH PART#22312907. *LJ
593-013-03
May 1, 2015
113100 ELECTRICAL SYSTEM:STARTER ASSEMBLY:SOLENOID
MACK TRUCKS INC, : BULLETIN INFORMATION REGARDING THE GRADE GRIPPER SOLENOID, REPLACEMENT CHU, CXU, GU, TD. *LJ
873-019-01
May 1, 2015
138800 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:FAN/MOTOR
MACK TRUCKS: FIELD SERVICE BULLETIN TRUCKS: SOME TRUCKS BUILT BETWEEN 10/16/2008 AND 9/29/2014, CONTINUOUS USAGE OF THE HEATER BLOWER CAN CAUSE FAILURE OF THE HEATER AND WIRE TERMINALS. *LJ
FSB 513-001
Apr 15, 2015
030000 BRAKES (PWS)
BRAKE ELECTRONIC CONTROL UNIT (ECU), REPROGRAMMING (MID 136) CERTAIN MACK CHU, CXU, AND GU TRUCKS EQUIPPED WITH THE BASIC ESP PACKAGE (ZMX-A1X), AND BUILT BETWEEN JANUARY 1, 2010 AND NOVEMBER 9, 2014, MAY ACTIVATE AN MID 136 ANTI-LOCK BRAKE
FSB 383-002
Apr 14, 2015
117000 ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL
SPEEDOMETER, REPLACEMENT. TO ENSURE THE PROPER INSTALLATION OF NEW SPEEDOMETER (PART NUMBER 85144379) WHEN REPLACING OLD SPEEDOMETER (PART NUMBER 25165963), YOU MUST FOLLOW THE INSTALLATION, CALIBRATION, AND VALIDATION PROCEDURES OUTLINED