Technical Service Bulletins

Search 172,063 manufacturer communications covering 879 vehicle makes from 1955 to 2025.

172,063 Unique Bulletins
4,686,952 Total Records
879 Vehicle Makes
1955–2025 Year Range
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Showing 2,701 bulletins for MACK

FSB 431-011 May 19, 2016
MACK — MACK — 6 vehicle combinations
160000 STRUCTURE
T300 COMPOUND COUNTERSHAFT DESIGN
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FSB 873-020 May 11, 2016
MACK — CHU, CXU, GU, MACK, TD — 5 vehicle combinations
357100 EQUIPMENT:APPLIANCE:AIR CONDITIONER
HVAC FLANGE, INSTALLATION, CHU, CXU, GU, TD
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FSB873-020 May 11, 2016
MACK — CHU, CXU, GU, TD, VAH, VHD, VN (2010–2016) — 25 vehicle combinations
350000 EQUIPMENT
HVAC FLANGE, INSTALLATION
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SC0398 May 6, 2016
MACK — GU (2010–2015) — 12 vehicle combinations
030000 BRAKES (PWS)
BRAKE CHAMBER REPLACEMENT RECALL
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SC0402 Apr 29, 2016
MACK — TD (2016–2017) — 4 vehicle combinations
010000 STEERING
MACK TRUCKS, INC. HAS DETERMINED THAT A DEFECT THAT RELATES TO MOTOR VEHICLE SAFETY EXISTS IN CERTAIN TITAN MODEL VEHICLES MANUFACTURED FROM FEBRUARY 25, 2015 TO FEBRUARY 12, 2016. THE BOLT CONNECTING THE UPPER STEERING SHAFT TO THE LOWER S
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SC0399 Apr 27, 2016
MACK — CHU, CXU, GU, LEU, LR, MRU (2012–2015) — 20 vehicle combinations
100000 POWER TRAIN
MACK TRUCKS INC. HAS DETERMINED THE CAP NUT THAT RETAINS THE INTERAXLE DRIVESHAFT YOKE TO THE REAR AXLE INPUT SHAFT MAY BE SUBJECT TO PREMATURE LOOSENING ON CERTAIN CHU, CMH, CMM, CXU, GU, LEU, LR, MRU AND TD MODEL VEHICLES. THE POTENTIAL R
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FSB 366-002 Mar 30, 2016
MACK — CHU, CXU, GU (2014–2016) — 18 vehicle combinations
110000 ELECTRICAL SYSTEM
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
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FSB 366-003 Mar 30, 2016
MACK — CHU, CXU, VN (2014–2017) — 9 vehicle combinations
264000 FORWARD COLLISION AVOIDANCE: SENSING SYSTEM
Front Radar, Failure
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PV729-PI0859A Mar 30, 2016
MACK — CHU, CXU, GU (2014–2016) — 18 vehicle combinations
110000 ELECTRICAL SYSTEM
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
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FSB 468-001 Mar 24, 2016
MACK — CHU, CXU, GU, LEU, LR, MRU, TD (2016–2017) — 13 vehicle combinations
105000 POWER TRAIN:DRIVELINE
POWER DIVIDER LOCKOUT LEAKAGE, REPAIR. ON MACK VEHICLES BUILT BETWEEN JULY 6, 2015 AND JANUARY 15, 2016 EQUIPPED WITH A MACK CRD 150 CARRIER, THE MOUNTING BOLT HOLE ON THE DRIVER SIDE OF THE POWER DIVIDER HOUSING WHICH LINES UP WITH THE F
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FSB 233-006A Mar 14, 2016
MACK — CHU, CXU, GU, LEU, LR, MRU, TD (2016–2017) — 26 vehicle combinations
060000 ENGINE (PWS)
ENGINE FUEL FILTERS. ENGINE FUEL FILTERS (PART NUMBER 21380521) WITH WEEK NUMBER DATE CODES ?15_33? (AUGUST 10, 2015) THROUGH ?15_39? (SEPTEMBER 27, 2015) SHOULD NOT BE INSTALLED ON AN ENGINE WITHOUT FIRST BEING INSPECTED. THE WEEK NUMBER
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FSB 233 006 Mack Mar 1, 2016
MACK — CHU, CXU, GU, LEU, LR, MRU, TD (2015–2016) — 42 vehicle combinations
061520 ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION:FILTER/SCREEN
Engine fuel filters (part number 21380521) with week number date codes ?15_33? (August 10, 2015) through ?15_39? (September 27, 2015) should not be installed on an engine without first being inspected. The week number date code is marked on
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FSB 366 002 Mar 1, 2016
MACK — CHU, CXU, GU (2013–2016) — 36 vehicle combinations
263000 FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL
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 seals of the harness is all
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FSB 468 001 Mar 1, 2016
MACK — CHU, CXU, GU, LEU, LR, MRU, TD (2015–2016) — 70 vehicle combinations
060000 ENGINE AND ENGINE COOLING
On MACK vehicles built between July 6, 2015 and January 15, 2016 equipped with a MACK CRD 150 carrier, the mounting bolt hole on the driver side of the power divider housing which lines up with the fill plug is drilled through to the fill p
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PI 0859-04 Mar 1, 2016
MACK — CHU, CXU, GU (2013–2016) — 36 vehicle combinations
263000 FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL
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 seals of the harness is all
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FSB 233-006 Feb 25, 2016
MACK — MACK, VOLVO, VOLVO TRUCK — 4 vehicle combinations
060000 ENGINE (PWS)
Engine Fuel Filters
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FSB 873-016 Feb 6, 2016
MACK — MACK
350000 EQUIPMENT
SOME MACK SLEEPER MODELS MAY EXPERIENCE ISSUES WITH FLUCTUATION OF BUNK LIMATE UNIT AIR TEMPERATURE. THE FLUCTUATION MAY BE THE RESULT OF CONSTANT MOVEMENT OF THE BLEND AIR DOOR.
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FSB 255-025 Jan 29, 2016
MACK — MACK
060000 ENGINE (PWS)
TURBOCHARGER REORIENTATION. DUE TO PART NUMBER REDUCTION, WHEN REPLACING THE TURBOCHARGER ON MACK LEU AND MRU VEHICLES WITH MP7 AND MP8 ENGINES THE TURBOCHARGER COMPRESSOR HOUSING MUST BE REORIENTED TO ALIGN WITH THE CHARGE AIR COOLER PIPE
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FSB 593-013A Jan 29, 2016
MACK — CHU, CXU, GU, TD (2009–2016) — 32 vehicle combinations
100000 POWER TRAIN
GRADE GRIPPER SOLENOID, REPLACEMENT. ON SOME MACK CHU, CXU, GU, AND TD TRUCK MODELS BUILT BETWEEN 04/31/2008 AND 11/30/2015, THE SOLENOID VALVE FOR THE GRADE GRIPPER FEATURE IS PRONE TO INTERNAL CONTAMINATION IN HARSH ENVIRONMENTS. THE INT
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FSB 222-004A Jan 13, 2016
MACK — MACK
060000 ENGINE AND ENGINE COOLING
OIL FILTER HOUSING. THE INTRODUCTION OF A NEW STYLE OIL FILTER HOUSING REQUIRES REPLACEMENT OF THE OIL COOLER INLET PIPE WHEN REPLACING THE PREVIOUS STYLE HOUSING ON US2010 AND US2014 EMISSION MACK MP8 ENGINES WITH AN ENGINE SERIAL NUMBER
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PI 0859A Jan 13, 2016
MACK — CHU, CXU, GU (2014–2016) — 18 vehicle combinations
110000 ELECTRICAL SYSTEM
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
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FSB 222 004 Mack Jan 1, 2016
MACK — CHU, CXU, GU, MRU (2016) — 12 vehicle combinations
060000 ENGINE (PWS)
FIELD SERVICE BULLETIN TRUCKS: The introduction of a new style oil filter housing requires replacement of the oil cooler inlet pipe when replacing the previous style housing on US2010 and US2014 emission MACK MP8 engines with an engine seri
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FSB 255 025 Jan 1, 2016
MACK — LEU, MRU (2016) — 8 vehicle combinations
060000 ENGINE AND ENGINE COOLING
Due to part number reduction, when replacing the turbocharger on MACK LEU and MRU vehicles with MP7 and MP8 engines the turbocharger compressor housing must be reoriented to align with the charge air cooler pipe flange. Also, for MP7 engine
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FSB 593 013 Jan 1, 2016
MACK — CHU, CXU, GU, TD (2008–2016) — 108 vehicle combinations
114005 ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL
On some MACK CHU, CXU, GU, and TD truck models built between 04/31/2008 and 11/30/2015, the solenoid valve for the grade gripper feature is prone to internal contamination in harsh environments. The internal contamination of the solenoid va
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PI 0859-03 Jan 1, 2016
MACK — CHU, CXU, GU (2013–2016) — 36 vehicle combinations
110000 ELECTRICAL SYSTEM
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 seals of the harness is all
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