Technical Service Bulletins
Search 172,063 manufacturer communications covering 879 vehicle makes from 1955 to 2025.
Showing 2,701 bulletins for MACK
FSB 813-001
May 29, 2013
063000 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM
EXHAUST MOUNTING REINFORCEMENT, TO ADDRESS CONCERNS OF B-PILLAR CRACKS FORMING AT THE UPPER EXHAUST MOUNTING ON CERTAIN MACK CHU VEHICLES, A NEW REINFORCEMENT HAS BEEN DEVELOPED WHICH IMPROVES THE DURABILITY OF THE B-PILLAR.
FSB 221-009
May 28, 2013
060000 ENGINE (PWS)
CERTAIN MACK MRU AND LEU TRUCKS EQUIPPED WITH CUMMINS ISL-G ENGINES BUILT BEFORE FEBRUARY 11, 2013 MAY EXHIBIT MINOR OIL SEEPAGE FROM THE ENGINE OIL FILLER TUBE HOSE OR DISPLAY STRESS CRACKS IN THE HOSE.
FSB 364-035
May 20, 2013
126200 EXTERIOR LIGHTING:TURN SIGNAL:SWITCH
TO ADDRESS CONCERNS OF IMPROPER SELF CANCELLING TURN SIGNAL SWITCH OPERATION DUE TO CONTACT BETWEEN THE SWITCH FINGERS AND STEERING SHAFT, MACK HAS DEVELOPED A NEW SWITCH MOUNTING BRACKET.
FSB 381-049
May 20, 2013
118000 ELECTRICAL SYSTEM:SOFTWARE
ON SOME MACK ISL-G MODELS BUILT, BETWEEN JANUARY 1, 2009 AND JANUARY 21, 2013, MAY EXPERIENCE A FAULT CODE, MID140 PSID 200 FMI 9, WHEN THE ENGINE SOFTWARE IS UPDATED.
FSB-221-009
May 1, 2013
062300 ENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS
MACK TRUCKS: HOSE, ENGINE OIL FILL TUBE. ENGINES BUILT BEFORE FEBRUARY 11, 2013 MAY EXHIBIT MINOR OIL SEEPAGE FROM THE ENGINE OIL FILLER TUBE HOSE OR DISPLAY STRESS CRACKS IN THE HOSE. *JS UPDATED 7/3/13. *PE
FSB-364-035
May 1, 2013
126200 EXTERIOR LIGHTING:TURN SIGNAL:SWITCH
MACK TRUCKS: NEW SWITCH MOUNTING BRACKET WAS DEVELOPED TO REPLACE EXISTING TURN SIGNAL SWITCH MOUNTING BRACKET, DUE TO CONTACT BETWEEN SWITCH FINGERS AND SLEEPING SHAFT, THAT CAUSED SWITCH OPERATION TO IMPROPERLY CANCELS ITSELF. MODEL CH
FSB-381-049
May 1, 2013
060000 ENGINE (PWS)
MACK TRUCKS: INFORMATION PROVIDED REGARDING THE REPROGRAMMING OF THE INSTRUMENT CLUSTER DUE TO MESSAGE BEING TURNED OFF IN NEW ENGINE SOFTWARE. MODELS LEU, MRU. NO MODEL YEARS LISTED. *PE
FSB-813-001
May 1, 2013
160000 STRUCTURE
MACK: INFORMATION PROVIDED ON CERTAIN TRUCKS IN REGARDS TO B PILLAR CRACKS FORMING AT UPPER EXHAUST MOUNTING AND A NEW DEVELOPMENT REINFORCEMENT THAT IMPROVES DURABILITY OF B PILLAR. MODELS CHU. NO MODELS YEARS LISTED. *PE
FSB-820-002
May 1, 2013
162800 STRUCTURE:BODY:HOOD
MACK: ON SOME MODEL TRUCKS, THE HOOD LIFE OF THE SHOCKS ARE SHORT AND NEED TO INSTALL NEW SHOCKS, WITH PROTECTIVE BOOT. MODELS 2009-2012 CXU. *PE
FSB-820-003
May 1, 2013
162800 STRUCTURE:BODY:HOOD
MACK TRUCK: THERE IS AN ISSUE OF SHORT LIFE OF THE HOOD SHOCKS ON SOME TRUCKS; A NEW PROTECTIVE BOOT FOR SHOCKS, HAS BEEN RELEASED AND BULLETIN INDICATES THE PROPER INSTALLATION FOR NEW SHOCKS. MODELS CHU. NO MODEL YEARS LISTED.
FSB 237-018
Apr 30, 2013
060000 ENGINE (PWS)
IN THE EVENT THAT A SINGLE INJECTOR FAILURE OR AN ENGINE STUMBLE UNDER LOAD IS EXPERIENCED ON AN OBD2013 MP8 ENGINE WITH A VEHICLE BUILD DATE BEFORE MAY 5, 2013 (ENGINE SERIAL NUMBER CLEAN POINT 1027921), ALL SIX INJECTORS ARE REQUIRED TO B
PI 0822
Apr 26, 2013
118000 ELECTRICAL SYSTEM:SOFTWARE
THIS SOFTWARE UPDATE HAS BEEN RELEASED TO RESOLVE ISSUES FOR LOSS OF CALIBRATION AND THE ABILITY TO ENABLE SINGLE PTO FUNCTIONALITY.
FSB 811-007
Apr 4, 2013
060000 ENGINE (PWS)
CERTAIN MRU VEHICLES BUILT WITH CUMMINS NATURAL GAS ENGINES MAY EXPERIENCE CONTACT BETWEEN THE CAB BODY AND ENGINE.
FSB 565-001
Apr 2, 2013
040000 SERVICE BRAKES, AIR
SOME MRU AND LEU TRUCKS BUILT BETWEEN 06/28/2010 AND 02/11/2013 WITH THE CUMMINS ISLG ENGINE MAY EXPERIENCE A FAILURE OF THE BRAKE COMPRESSOR AIR INLET HOSE WHERE IT ATTACHES TO THE COMPRESSOR.
PI 0818
Mar 20, 2013
120000 LIGHTING (PWS)
THE INSTALLED DRL MODULE IS NOT ADEQUATE TO SUPPORT LED HEADLAMPS.
FSB 891-017
Mar 1, 2013
160000 STRUCTURE
CERTAIN CHU, CXU, GU, AND TD VEHICLES MAY EXPERIENCE ISSUES WITH EXCESSIVE DOOR GLASS SOILING.
SP-218-001
Mar 1, 2013
060000 ENGINE AND ENGINE COOLING
MACK TRUCKS: THERE ARE FOUR MISSING BOLTS IN THE ENGINE FRAME AND MOUNT. *RM UPDATED ON 4/22/2013. *KB
SP-218-002-01
Mar 1, 2013
061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
MACK: INCORRECT HARDWARE ON FRONT ENGINE MOUNT. BOLTS ARE THE INCORRECT LENGTH AND OR GRADE FOR THE ENGINE. *KB
PI 0814
Feb 19, 2013
046100 SERVICE BRAKES, AIR:ANTILOCK:CONTROL UNIT/MODULE
ON CERTAIN MACK CXU TRUCKS BUILT BETWEEN 08/20/12 AND 11/02/12, THE SOFTWARE IN THE BENDIX ABS MODULE CONTAINS AN INCORRECT SETTING.
FSB 364-031
Feb 18, 2013
110000 ELECTRICAL SYSTEM
TRIP RESET ERROR, VEHICLE ELECTRONIC CONTROL UNIT (VECU), REPROGRAMMING
PI 0812
Feb 15, 2013
020000 SUSPENSION
IT HAS BEEN DETERMINED THAT CERTAIN VEHICLES BUILT WITH MAXLITE SUSPENSIONS AND MGM LTR-L3 BRAKE CHAMBERS INTERFERENCE CAN OCCUR DURING SUSPENSION ARTICULATION BETWEEN THE BRAKE CHAMBER AND THE SUSPENSION ADJUSTMENT WASHER.