Technical Service Bulletins
Search 172,063 manufacturer communications covering 879 vehicle makes from 1955 to 2025.
Showing 2,701 bulletins for MACK
PI 0872
Nov 4, 2016
090000 FUEL SYSTEM, OTHER
Certain MACK TD trucks built from 01/17/2014 to 07/15/2015 were built without a primary fuel filter and will require the installation of a primary fuel filter and replacement of the deaeration valve on the fuel filter base.
FSB 761-002
Oct 17, 2016
021300 SUSPENSION:FRONT:SHOCK ABSORBER
"VOLVO VN, VAH, VHD, AND VT TRUCKS REQUIRE A VISUAL SHOCK ABSORBER INSPECTION DURING REGULAR MAINTENANCE SCHEDULES. THE VISUAL INSPECTION WILL INCLUDE CHECKING THE SHOCK ABSORBER FOR LEAKAGE, ANY IRREGULARITIES, OR WORN SHOCK BUSHINGS. DURI
FSB 773-001
Oct 3, 2016
100000 POWER TRAIN
CERTAIN MACK TRUCKS BUILT AFTER 09/30/2016 MAY USE ONE OF 3 TYPES OF GASKETS ON THE MACK DRIVE AXLES. THE TRUCK COULD BE BUILT WITH A RUBBER O-RING, A FLAT PAPER GASKET, OR ROOM TEMPERATURE VULCANIZING (RTV) GASKET MATERIAL USE TO SEAL THE
PI0871A
Sep 27, 2016
118000 ELECTRICAL SYSTEM:SOFTWARE
SOFTWARE UPDATES WITH ENHANCEMENTS ARE AVAILABLE FOR THE ENGINE CONTROL MODULE (ECM) FOR MACK MP7, MP8, AND MP10 ENGINES WITH US2016 EMISSION LEVEL ON VEHICLES BUILT FROM JANUARY 4, 2016 TO MAY 6, 2016.
FSB 395-001
Sep 17, 2016
353400 EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.
ON SOME MACK TRUCKS BUILT BETWEEN AUGUST 19, 2014 AND AUGUST 19, 2016 POSSIBLE AUDIBLE FEEDBACK MAY OCCUR WHILE USING THE AM/FM BANDS WHEN THE CB MICROPHONE IS KEYED. KEYING THE MICROPHONE COULD ALSO CUT THE VOLUME OF THE RADIO WHEN USING T
FSB 257-004A
Sep 7, 2016
060000 ENGINE AND ENGINE COOLING
MACK TRUCKS HAS RECEIVED REPORTS FROM THE AFTERMARKET REGARDING OIL LEAKS AT THE CCV HOUSING INLET TUBE AND AT THE SPLIT LINE BETWEEN THE UPPER AND LOWER HOUSINGS ON CHASSIS BUILDS BETWEEN JANUARY 1, 2014 AND JANUARY 26, 2016 WITH MP7 ENGIN
PI 0870
Aug 9, 2016
060000 ENGINE (PWS)
ENGINE CONTROL MODULE (ECM), REPROGRAMMING. CERTAIN MACK MRU TRUCKS BUILT FROM 01/01/2016 TO 07/23/2016, AND EQUIPPED WITH A CUMMINS ISL ENGINE MAY EXPERIENCE IMPROPER OPERATION OF THE ENGINE COOLING FAN WHILE THE A/C SYSTEM IS IN OPERATIO
FSB 712-001
Jul 13, 2016
160000 STRUCTURE
ON SOME MACK GU TRUCKS MAY EXPERIENCE CRACKS IN THE DRIVER?S SIDE (LEFT SIDE), FORWARD, UPPER FRAME FLANGE AREA. MACK TRUCKS HAS IMPROVED THE DESIGN OF THE FRAME REINFORCEMENT PLATES. IF CRACKS APPEAR, FRAME REINFORCEMENTS ARE AVAILABLE FOR
FSB436-001
Jul 13, 2016
100000 POWER TRAIN
BUGGY SPRING BRACKET, REPLACEMENT, REAR TRANSMISSION SUPPORT BRACKETS ARE BREAKING ON SOME MACK LEU AND LR VEHICLES WITH AN ALLISON HEAVY DUTY TRANSMISSION AND A RETARDER BUILT BETWEEN MAY, 2013 AND MAY, 2016.
FSB 254-007
Jul 12, 2016
110000 ELECTRICAL SYSTEM
SPARK ASSIST TO CATALYZED DPF, CERTAIN APPLICATIONS FOR LEU AND MRU CHASSIS LEND THEMSELVES TO HAVING GOOD DPF REGENERATION PROPERTIES WITH CATALYZED TYPE SYSTEMS SIMILAR TO THE SYSTEM USED IN CONVENTIONAL CHASSIS.
PI 0867
Jun 22, 2016
117000 ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL
INSTRUMENT CLUSTER REPROGRAMMING (MID 140)
FSB 726-001
Jun 1, 2016
022130 SUSPENSION:REAR:SPRINGS:AIR SUSPENSION SYSTEM
REAR AXLE SEAT, REPLACEMENT, VIBRATION
FSB 873-018
May 27, 2016
357100 EQUIPMENT:APPLIANCE:AIR CONDITIONER
CERTAIN LEU VEHICLES MAY EXPERIENCE ISSUES WITH WATER BUILDUP INSIDE THE REDDOT ROOF MOUNTED A/C UNITS DUE TO IMPROPER CONDENSATION DRAINAGE.
FSB 261-038
May 25, 2016
063000 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM
MOUNTED EXHAUST BRACKET, REPLACEMENT
FSB261-038
May 25, 2016
063000 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM
MOUNTED EXHAUST BRACKET, REPLACEMENT.
FSB 861-005
May 23, 2016
160000 STRUCTURE
TO REDUCE THE COST ASSOCIATED WITH BUMPER REPLACEMENT DUE TO CHROME TRIM PEEL, NEW SERVICE KITS ARE NOW AVAILABLE.