Technical Service Bulletins
Search 172,063 manufacturer communications covering 879 vehicle makes from 1955 to 2025.
Showing 2,701 bulletins for MACK
MB231002
Aug 30, 2001
072200 FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS
SUBJECT REGARDING FUEL FILTER CHANGE PROCEDURES TO ENSURE ABSOLUTE FUELSYSTEM CLEANLINESS FOR FREEDOM M, L, XL, AND XXL MODEL CHASSIS. *TT
SB412004
Aug 30, 2001
010000 STEERING
SERVICE BULLETIN REGARDING ERRATIC STEERING ON MODEL CHASSIS EQUIPPED WITH TAS65 STEERING GEAR. *TT
SB724005
Aug 10, 2001
116200 ELECTRICAL SYSTEM:IGNITION:MODULE
SUBJECT REGARDING ENGINE ELECTRONIC CONTROL UNIT CONNECTOR TERMINAL, COOLANT LEVEL SENSOR AND J1939 HARNESS SECTION REPLACEMENT. *TT
SB392003
Jul 27, 2001
100000 POWER TRAIN
SERVICE BULLETIN INFORMATION REGARDING A NEW SHIFT LEVER INNER BOOTH IMPLEMENTED INTO PRODUCTION TO PREVENT GEAR SHIFT LEVER DISENGAGEMENT DURING SEVERE COLD WEATHER. *TT
SB635007
Jul 27, 2001
138000 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM
SUBJECT REGARDING THE IMPROVED BLOW-MOLDED HVAC AIR DUCT SYSTEM DESIGNED TO IMPROVE AIR DISTRIBUTION TO THE SLEEPER AREA. *TT
PI541
Jul 24, 2001
350000 EQUIPMENT
ON CX, CV AND CH MODEL CHASSIS MANUFACTURED BETWEEN 7/99 THROUGH 6/11/01, A CONDITION MAY EXIST WHERE THE VEHICLE INFORMATION PROFILER (V.I.P.) DISPLAY (WITH ELECTRONIC DASHBOARD) CONTAINS A VERSION OF SOFTWARE THAT MAY INTERMITTENTLY DISPL
SB234005
Jul 20, 2001
063200 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE
SOME MODEL CHASSIS, EQUIPPED WITH EITHER AN E7 OR E-TECH ENGINE, MAY EXPERIENCE CRACKS IN THE EXHAUST POPE FLANGE AT THE TURBOCHARGER CONNECTION. *TT
SB466003
Jul 17, 2001
100000 POWER TRAIN
SUBJECT REGARDING FRICTION-MODIFIER ADDITIVE FOR INTERWHEEL POWER DIVIDER. *TT
SB210024
Jul 13, 2001
062000 ENGINE AND ENGINE COOLING:COOLING SYSTEM
SUBJECT REGARDING TEST STRIPS FOR TESTING GLYCOL, NITRITE AND PH LEVELS IN HEAVY-DUTY COOLANT. *TT
SB222008
Jul 13, 2001
073100 FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:FUEL RAIL
INFORMATION ON THE NEW HIGH-PRESSURE FUEL INJECTION LINES IMPLEMENTED INTO E-TECH ENGINE PRODUCTION. *TT
MB221008
Jul 3, 2001
185000 VEHICLE SPEED CONTROL:CRUISE CONTROL
INFORMATION ON SETTING IDLE SPEED ON VEHICLES EQUIPPED WITH AN ALLISON AUTOMATIC TRANSMISSION EXHIBITING A STALL CONDITION WHILE IDLING AT OPERATING TEMPERATURES WITH THE TRANSMISSION IN GEAR. *TT
SB214016
Jun 29, 2001
061000 ENGINE AND ENGINE COOLING:ENGINE
INFORMATION ON THE NEW STEEL-CORE INLET / WATER MANIFOLD GASKET RELEASED AND AVAILABLE THROUGH THE MACK PARTS SYSTEM FOR E-TECH ENGINES. *TT
SB215017
Jun 29, 2001
062200 ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN
ON CERTAIN MODEL CHASSIS EQUIPPED WITH KYSOR FAN DRIVES, THE AIR LINE THAT RUNS FROM THE FAN DRIVE CONTROL VALVE TO THE FAN DRIVE MAY BE SEVERED BY THE ENGINE FAN BLADES. *TT
SB233024
Jun 29, 2001
061000 ENGINE AND ENGINE COOLING:ENGINE
INFORMATION PERTAINING TO INLET AIR DUCT MAINTENANCE. *TT
SB320003
Jun 29, 2001
102000 POWER TRAIN:MANUAL TRANSMISSION
SUBJECT REGARDING MAXITORQUE ES (T300) VS. T200 SERIES TRANSMISSIONS. *TT
SB211016
Jun 26, 2001
061000 ENGINE AND ENGINE COOLING:ENGINE
INFORMATION ON INCREASED WIDTH OF OIL PAN GASKET AT FRONT AND REAR. *TT
SB531008
Jun 22, 2001
040000 SERVICE BRAKES, AIR
SUBJECT REGARDING BACK PRESSURE CONTROL VALVE TAP-IN POINT. *TT
SB466002
Jun 16, 2001
106000 POWER TRAIN:AXLE ASSEMBLY
INFORMATION ON THE ELIMINATION OF THE INTERAXLE POWER DIVIDER INNER LOCKING RING USED WITH THE CRD(L)(PC)92/921, CRDPC112 AND CRDP202/2021 SERIES CARRIERS. *TT
SL412002
May 29, 2001
010000 STEERING
INFORMATION ON THE UPGRADED TRW GENERATION II STEERING COLUMN WHICH PROVIDES AN ADDITIONAL 20 MM FORWARD TILT OF THE STEERING WHEEL. *TT
200200114501
May 25, 2001
062200 ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN
SUBJECT REGARDING MIDLINER FAN SHROUD SEAL FAILURES. *TT
PI540
May 22, 2001
138000 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM
SOME MODEL CHASSIS, EQUIPPED WITH BERGSTROM HVAC UNITS, MAY EXHIBIT BROKEN HEATER BLOWER MOTOR MOUNTING TABS IN SERVICE, RESULTING IN THE MOTOR COMING LOOSE. *TT
200200112401
May 4, 2001
061000 ENGINE AND ENGINE COOLING:ENGINE
SOME UNITED STATES POSTAL SERVICE (USPS) VEHICLES MAY EXHIBIT A LOW ENGINE OIL PRESSURE CONDITION CAUSE BY BLOCKAGE OF THE FULL FLOW OIL FILTERS. *TT
SB539002
May 4, 2001
046300 SERVICE BRAKES, AIR:ANTILOCK:WHEEL SPEED SENSOR
INFORMATION ON FRONT AXLE ABS WHEEL SPEED SENSOR HARNESS ROUTING. *TT
SB466001
May 1, 2001
106000 POWER TRAIN:AXLE ASSEMBLY
INFORMATION ON THE NEW INTER-AXLE POWER DIVIDER LOCKNUT FOR CRDPC92, CRDPC112, CRDPC200 AND CRDPC202 SERIES CARRIERS. *TT