Technical Service Bulletins
Search 172,063 manufacturer communications covering 879 vehicle makes from 1955 to 2025.
Showing 2,701 bulletins for MACK
SB475011
Mar 22, 2002
105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
INFORMATION ON INCREASED CAPACITY DIFFERENTIAL RIGHT-SIDE BEARING. *TT
637019
Feb 26, 2002
357100 EQUIPMENT:APPLIANCE:AIR CONDITIONER
SUBJECT REGARDING AIR CONDITIONER EXPANSION VALVE INTERFERENCE WITH CYLINDER HEAD, 612 MODELS.*JB
P1546
Feb 26, 2002
160000 STRUCTURE
SUBJECT REGARDING CRANKCASE BREATHER IMPELLER WHEEL RETAINING SCREW TORQUE, FREEDOM CHASSIS MODEL.*JB
SB724006
Feb 22, 2002
110000 ELECTRICAL SYSTEM
SUBJECT REGARDING J1939 OVERLAY HARNESS FOR SERVICE USE, REGARDING ALL VMAC III MODELS EXCEPT LE AND MR. *SLC
SB222009
Feb 19, 2002
073000 FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM
INFORMATION ON WARRANTABLE REPAIRS OF ETECH PRE CCRS FUEL INJECTION NOZZLES, FOR ETECH PRE CCRS. *SLC
121026
Feb 15, 2002
021242 SUSPENSION:FRONT:SPRINGS:LEAF SPRING ASSEMBLY:HANGER,BRACKET
CONCERNS WITH FRAME RAIL CRACKS IN AREA OF REAR SPRING FRONT HANGER BRACKET.*JB
231007
Feb 15, 2002
070000 FUEL SYSTEM, GASOLINE
SUBJECT REGARDING FUEL FILTERING, WATER SEPARATION AND FUEL HEATING
SB135001
Feb 15, 2002
020000 SUSPENSION
SUBJECT REGARDING SPRING SHOCK INSULATOR, FOR SERVICE USE, FOR ALL MODELS WITH SS-SW SUSPENSIONS. *SLC
121023
Feb 1, 2002
161000 STRUCTURE:FRAME AND MEMBERS
REAR CROSSMEMBER REINFORCEMENT. MACK CX, CH AND CL WITH CH/CX STYLE REAR CROSSMEMBERS. *TT *SC
SB535001
Feb 1, 2002
050000 PARKING BRAKE
SUBJECT REGARDING PARK BRAKE CONTROL VALVE REPLACEMENT. *SLC
PI545
Jan 22, 2002
102000 POWER TRAIN:MANUAL TRANSMISSION
SUBJECT REGARDING TRANSMISSION SYNCHRONIZER SHIFT FORK REPLACEMENT. *JB
SB635005
Jan 18, 2002
138000 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM
ON SOME MODELS, WHEN THE CAB CLIMATE CONTROL IS SET TO THE HEAT MODE, CAB TEMPERATURE MAY NOT REMAIN STABLE WITHOUT FREQUENT ADJUSTMENT OF THE TEMPERATURE CONTROL LEVER. *TT
200200201401
Jan 14, 2002
061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
SUBJECT REGARDING HIGH-PRESSURE FUEL LINE LEAKS AT THE CYLINDER HEAD CONNECTION AREA ON CCRS ENGINES. *TT
266013
Jan 11, 2002
061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
INFORMATION ON J-TECH ENGINE BRAKE WITH TOP OIL SUPPLY PORT FOR EXTERNAL OIL LINE. *SLC
SB213031
Dec 21, 2001
061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
SUBJECT REGARDING INITIAL VALVE LASH ADJUSTMENT. *SLC
SB321007
Dec 18, 2001
102000 POWER TRAIN:MANUAL TRANSMISSION
SUBJECT REGARDING THE OIL FILL PLUG. *SLC
SL262001
Dec 7, 2001
015000 STEERING:HYDRAULIC POWER ASSIST SYSTEM
SUBJECT REGARDING HYDRAULIC ACCESSORY SYSTEMS THAT CAN NOT BE POWERED BY THE POWER STEERING PUMP. *SLC
700200133802
Dec 4, 2001
110000 ELECTRICAL SYSTEM
SUBJECT REGARDING, CERTAIN VEHICLES INCLUDING THE MACK FREEDOM M, L, XL, AND XXL, CAUTIONS ABOUT PROGRAMMING. *SLC
SB135007
Nov 30, 2001
020000 SUSPENSION
INFORMATION ON ADJUSTABLE TRANSVERSE TORQUE RODS FOR MACK AL SUSPENSIONS. *TT
SB214018
Nov 30, 2001
063000 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM
SUBJECT REGARDING HIGH-TEMPERATURE CENTER EXHAUST MANIFOLD AND IMPROVED TURBOCHARGER MOUNTING NUT AND GASKET. NLM
SB232017
Nov 30, 2001
062000 ENGINE AND ENGINE COOLING:COOLING SYSTEM
SUBJECT REGARDING FAN DRIVE AIR LINE ROUTING. *TT
SB292011
Nov 30, 2001
181000 VEHICLE SPEED CONTROL:ACCELERATOR PEDAL
SUBJECT REGARDING THROTTLE PEDAL CALIBRATION PROCEDURE FOR VEHICLES EQUIPPED WITH CUMMINS ENGINES. *TT
700200132501
Nov 21, 2001
103000 POWER TRAIN:AUTOMATIC TRANSMISSION
SUBJECT REGARDING VEHICLE SPEED SENSOR (VSS) DIAGNOSIS FOR A 4-1 CODE. *TT
PI544
Nov 20, 2001
116200 ELECTRICAL SYSTEM:IGNITION:MODULE
SUBJECT REGARDING VEHICLE ELECTRONIC CONTROL UNIT (VECU) SOFTWARE UPGRADE FOR VEHICLES EQUIPPED WITH A CUMMINS ENGINE. *TT
SB221028
Nov 20, 2001
061000 ENGINE AND ENGINE COOLING:ENGINE
SUBJECT REGARDING FUEL SUPPLY PUMP IMPROVEMENTS. *TT