Technical Service Bulletins
Search 172,063 manufacturer communications covering 879 vehicle makes from 1955 to 2025.
Showing 2,701 bulletins for MACK
PI 0767
Feb 12, 2013
020000 SUSPENSION
CERTAIN GU MODEL CHASSIS? EQUIPPED WITH HALDEX SLACK ADJUSTERS AND RIDEWELL SUSPENSION WITH BUILD DATES BETWEEN FEBRUARY 1 AND MARCH 24, 2010, MAY EXHIBIT A CONDITION WHICH ALLOWS THE SLACK ADJUSTER CONTROL ARM TO MAKE CONTACT WITH THE RIDE
PI 0815
Feb 12, 2013
020000 SUSPENSION
IT HAS BEEN DISCOVERED ON CERTAIN MACK TRUCKS THAT BOLTS ARE LOOSE OR INCORRECTLY TORQUED ON THE PRIMAAX SUSPENSION.
FSB-284-038
Feb 1, 2013
062000 ENGINE AND ENGINE COOLING:COOLING SYSTEM
MACK TRUCK: DIAGNOSTIC TROUBLE CODE (DTC) INDICATES AN OPEN THERMOSTAT AND COOLANT SYSTEM NOT OPERATING CORRECTLY; DURING SEVERE WEATHER AND HEAVY DUTY APPLICATIONS WOULD DISPLAY, DURING ENGINE WARM UP AND INDICATE AN ISSUE WHEN THE COOLIN
PI-0815
Feb 1, 2013
020000 SUSPENSION
MACK TRUCKS: REAR SUSPENSION HARDWARE TORQUE. BOLTS ARE LOOSE OR INCORRECTLY TORQUED ON THE PRIMAAX SUSPENSION. *JS UPDATED 07/18/2013 *JS
FSB-371-044
Jan 1, 2013
111100 ELECTRICAL SYSTEM:12V/24V/48V BATTERY:CABLES
MACK TRUCK: TORQUE ISSUE AND MATERIAL MAY BE CAUSING BATTERY CABLE CLAMPS TO CRACK OR BREAK. TRUCK NEEDS TO BE INSPECTED TO DETERMINE HOW MANY CLAMPS ARE CRACKED OR BROKEN. MODEL 2010-2012 CHU, CXU, GU, LEU, MRU, TD. *PE
FSB 284-040
Dec 20, 2012
060000 ENGINE (PWS)
DIAGNOSTIC TROUBLE CODE (DTC) SPN 4094 FMI 18 AND SPN 5246 FMI 0 CAN LOG IN CERTAIN CHASSIS APPLICATIONS THAT LOAD THE ENGINE DURING IDLE CONDITIONS ON LEU AND MRU (MP7 EPA2010) TRUCKS BUILT BETWEEN 01/01/2010 AND 12/16/2012.
PI-371-802
Dec 1, 2012
111100 ELECTRICAL SYSTEM:12V/24V/48V BATTERY:CABLES
MACK TRUCK: LOCATED BETWEEN CLUTCH HOUSING AND CLIPPING POINT ON FRAME, BEHIND BATTERY BOX, IS WHERE BATTERY CABLES ARE RUBBING OVER SLUNG CROSS MEMBERS, DUE TO IMPROPER CABLE ROUTING AND NEEDS TO BE REROUTED. MODELS CXU. NO MODEL YEARS
FSB 293-017
Nov 27, 2012
063000 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM
EXHAUST GAS RECIRCULATION (EGR) VALVE UPGRADE
FSB 381-045
Nov 16, 2012
117000 ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL
Instrument Cluster Reprogramming
SNM 11-09A
Nov 16, 2012
063130 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE)
EGR DELTA P PORTS, SERVICING GUIDANCE
FSB 820-001
Nov 13, 2012
176100 LATCHES/LOCKS/LINKAGES:HOOD:LATCH
HOOD OPENING ANGLE INSUFFICIENT, CERTAIN CONDITIONS SUCH AS THE GRADE THAT THE TRUCK IS PARKED ON AND WIND, MAY CAUSE THE HOOD TO FALL SHUT WHEN THE SAFETY LATCH IS RELEASED.
PI 0810
Nov 12, 2012
060000 ENGINE (PWS)
ENGINE CONTROL MODULE (ECM) SOFTWARE UPDATE, ENHANCEMENTS TO THE FAN FUNCTION
FSB-293-012
Nov 1, 2012
060000 ENGINE (PWS)
MACK: THE OLD DRAIN TUBE, WITH P-CLAMP, WILL BE DISCARDED DUE TO REPLACEMENT AND THE INSTALLATION OF NEW EGR VALVES THAT DO NOT REQUIRE DRAIN TUBES FOR ENGINES. MODELS MP7, MP8, MP10. NO MODEL YEARS LISTED. *PE
FSB-293-016
Nov 1, 2012
063130 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE)
MACK TRUCK: THE OLD OIL SUPPLY LINE, FOR EXHAUST GAS RECIRCULATION (EGR) VALVE, WAS REPLACED WITH NEW OIL SUPPLY LINE WITH MACHINED FITTING BRAZED ON END OF TUBE PREVENTING LEAKAGE ON OIL FILTER HOUSING. MODELS CXU, GU. NO MODEL YEARS LI
FSB-293-017
Nov 1, 2012
063130 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE)
MACK: A NEW OIL SUPPLY LINE, WITH MACHINED FITTING BRAZED ON END OF TUBE TO PREVENT OIL LEAKAGE AT FILTER HOUSING, REPLACES OLD OIL SUPPLY LINE, FOR EXHAUST GAS RECIRCULATION (EGR) VALVE. MODELS LEU, MRU. NO MODEL YEARS LISTED. *
FSB-820-001
Nov 1, 2012
176100 LATCHES/LOCKS/LINKAGES:HOOD:LATCH
MACK TRUCK: ON CERTAIN GRADE LEVEL OR WITH WIND BLOWING, HOOD OPENING ANGLE MAY FAIL AND FALL SHUT, WHEN SAFETY LATCH IS RELEASED. MODELS 2010-2012 CXU. *PE
PI-0799
Nov 1, 2012
190000 TIRES
MACK TRUCK: THE SUPPORT BRACKETS, USED WITH WIDE BASE WHEEL/TIRE COMBINATIONS EQUIPMENT, PROVIDE ADDITIONAL STRENGTH THAT IS REQUIRED WITH LONGER CAM TUBES, WERE NOT INSTALLED AT FACTORY, AND NEED TO BE REPLACED. MODELS CHU, CXU, GU. N
FSB 293-016
Oct 26, 2012
063130 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE)
Exhaust Gas Recirculation (EGR) Valve Oil Supply Line, updated part