2007 Mack Gu TSBs
157 Technical Service Bulletins across 14 categories
Categories
Engine
33 bulletinsCBR: For vehicles equipped with an 11L engine, the plastic saddle bracket holding the a/c line on the left side of the...
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engine may move excessively and rub the area where it secures the line.
Barksdale Leveling Valve, Leak Test
2007 document reformatted to be published as a TSB in Impact.Clutch air assist cylinder vent.
2008 Document reformated to be published as a TSB in Impact.
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Revised blower motor switch wiring.
2009 Document reformatted to be published as a TSB in Impact.
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Turbo Actuator Connector Repair.
2009 Document reformatted to be published as a TSB in Impact.
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Fan Drive Belt Replacement MP7 Engine
Programming Failure - Chassis With Cummins Engine And An Allison Transmission
US10 Emission Engines - Diagnostic Trouble Code ( DTC ) SPN 1231 FMI 9 Troubleshooting.
Emcon (Spark Assist) Engine Aftertreatment System Troubleshooting Check Sheet - US07 Emissions
Low Oil Pressure Diagnostic Process For 11 Liter Engines
Mack Chassis - Diagnostic Trouble Codes ( DTC's ) - P020113, P020213, P020313, P020413, P020513, P020613, Cylinders 1...
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Through 6 Injector A Open Circuit
US07 / US10 D13 Turbocharger Gasket - Low Power, Poor Regen Performance
Reman Engine Label Replacement
Fuel Injector Offset Learning Diagnostic Trouble Codes ( DTC ) / Fault Codes Logged In Engine Control Module ( EMS );...
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Possible Rough / Uneven Idle - OBD15 Chassis
Automated Manual Transmission ( AMT - F ) ( mDRIVE ) Clutch Valve Unit ( CVU ) Makes Intermittent Buzzing Noise With The...
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Key On And Engine Off.Changed repair information to reflect new software available.
Engine Diagnostic Trouble Codes ( DTC's ) P24A0 And P249F Lighting The Malfunction Indicator Lamp ( MIL ) - OBD15...
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(Commonly Model Year 2016) And Newer.Updated to reflect release of FSB284-064 (Above)
SOME MACK VEHICLES BUILT BETWEEN 2004 AND OCTOBER 2013 EXPERIENCE AN OIL LEVEL SENSOR FAILURE THAT LEADS TO OIL...
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CONTAMINATION INTO THE ENGINE WIRE HARNESS.
MACK TRUCK: DUE TO OIL CONTAMINATION INTO ENGINE WIRE HARNESS, MAIN OIL GALLERY PRESSURE SENSOR OR PISTON COOLING JET...
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PRESSURE SENSOR HAS FAILED AND NEW ANTI WICKING JUMPER HARNESS IS AVAILABLE TO STOP OIL FROM WICKING BACK AND CAUSING DAMAGE TO NEW SENSOR. MODEL CHU, CXU, GU, LEU, MRU, TD. *PE
MACK: ON SOME TRUCKS, OIL CONTAMINATION INTO ENGINE WIRE HARNESS, MAY BE FROM OIL LEVEL SENSOR FAILURE AND AN ANTI...
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WICKING PIGTAIL SPLICE KIT IS AVAILABLE. MODEL CHU, CXU, GU, LEU, MRU, TD. NO YEARS LISTED. *PE
MACK TRUCKS:DUE TO EXCESSIVE MOISTURE IN THE CLIMATE UNIT, SOME VEHICLES MAY DEVELOP A BLOWER MOTOR FAILURE.
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*JS
MACK TRUCK: INFORMATION PROVIDED REGARDING MODIFICATION OF EGR VALVE ON ENGINES AND REMOVAL OF POPPET SHAFT END CAP O RINGS.
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MODELS CHU, CXU, GU, LEU, MRU. NO MODEL YEARS LISTED. *PE
MACK TRUCKS: EGR DIFFERENTIAL PRESSURE SENSOR PIN FRETTING.
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SEVERE FRETTING DAMAGE OF THE ENGINE EXHAUST GAS RECIRCULATION DIFFERENTIAL PRESSURE SENSOR'S (EGR DIFFERENTIAL PRESSURE SENSOR) CONNECTOR MAY CAUSE AN UNRELIABLE SIGNAL TO THE SENSOR ON MACK MP8 EPA2007 ENGINES. *JS
MACK TRUCKS: ENGINE TUBOCHARGER COMPRESSOR BYPASS VALVE, AIRLINE ROUTING.
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THIS DOCUMENT COVERS THE PROCEDURE FOR ROUTING THE FLEXIBLE AIR LINE AROUND THE FRONT OF THE ENGINE IF THE EXISTING STEEL AIR LINE FAIL. *JS
MACK TRUCK: INFORMATION REGARDING THE SLEEPER CAB SUSPENSION LEVELING VALVE BRACKET THAT WAS INSTALLED INCORRECTLY.
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ALSO, THE SUPPORT BRACKET FOR AIR SPRING, INCORRECTLY MOUNTED ON FRAME, CAUSING CAB SHOCK TO EXTEND FULLY WHEN AIR SPRING IS INFLATED. *PE
MACK TRUCKS: SEVERE FRETTING DAMAGE OF THE ENGINE VARIABLE GEOMETRY TURBOCHARGER ACTUATOR (ENGINE VGT ACTUATOR) HARNESS...
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AND TURBINE SHAFT SPEED SENSOR (TSS) CONNECTORS MAY CAUSE AN UNRELIABLE SIGNAL TO THE ENGINE VGT ACTUATOR. ALSO INCLUDED MODEL CMM AND CMH. NO MODEL YEARS GIVEN. *JS
MACK TRUCKS: THERE ARE ENGINE ECM SOFTWARE UPDATES.
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*RM
MACK TRUCKS: THERE ARE FOUR MISSING BOLTS IN THE ENGINE FRAME AND MOUNT.
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*RM UPDATED ON 4/22/2013. *KB
MACK TRUCK: ENGINE ECM AND ACM SOFTWARE UPDATES.
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ENHANCEMENTS ARE AVAILABLE FOR THE ENGINE CONTROL MODULE (ECM) AND AFTERTREATMENT CONTROL MODULE (ACM). DOES NOT APPLY TO MACK TRUCKS AUSTRALIA. MODELS MRU, LEU, GU, CHU, CXU. NO MODEL YEARS LISTED. *PE
MACK TRUCK: REPLACEMENT OF THE TURBOCHARGER AND MOUNTING HARDWARE ON CERTAIN MP8 ENGINE EQUIPPED TRUCKS.
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THE TURBOCHARGER AND ASSOCIATED MOUNTING HARDWARE MUST BE CHANGED ON ALL TRUCKS INVOLVED IN THIS CAMPAIGN. *PE
MACK TRUCK: IT HAS BEEN DETERMINED THAT THE 90 DEGREE SINGLE CHECK VALVE FITTING MANUFACTURED BY PARKER HANNIFIN CORP.
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WHICH IS USED IN THE SUPPLY PORT OF THE SPRING BRAKE MODULATING RELAY VALVE (BENDIX SR 7 VALVE) MAY HAVE A DEFECT WHEREBY THE VALVE BODY RETAINER MAY BECOME EXCESSIVELY WORN AND EVENTUALLY BREAK APART. MODELS CXU, CXP, CXN, CHU, CHN, GU, CTP, CT, CV, MRU, AND LEU. 1/1/04-11/3/05 AND 5/2/07-7/26/07. *PE
MACK TRUCK: MODELS CXU, CHU, GU, MRU AND LEU CHASSIS.
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US07 MP7 ENGINE MANAGEMENT SYSTEM (EMS) SOFTWARE UPGRADE. THE REVISION INCLUDES A REDUCTION I N PEAK INJECTION PRESSURES TO IMPROVE LONGEVITY OF UNIT INJECTOR COMPONENTS. *PE UPDATED 9/28/09. *PE UPDATED 2/12/10. *PE
FAN RING TO FAN SHROUD CLEARANCE ON GU MODEL CHASSIS EQUIPPED WITH EITHER AN MP7 OR MP8 ENGINE.
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*PE
MACK - BLOWER MOTOR SWITCH WIRING UPGRADE--ALL WITH BEHR HVAC UNITS.
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MANUFACTURED PRIOR TO FEB. 1, 2008. *NJ
Other
28 bulletinsMack Trucks now offer an improved HD Inter-Axle Through Shaft for the CRD 125, 150, 180, and 200 family carriers.
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The new HD shaft went into production on January 23rd, 2023 for 2.54 - 3.50 axle ratios and April 1st, 2023 for 3.56 - 3.98 ratios. The new HD through shaft is an upgrade over the current standard shaft and can now be used as a replacement part instead of the standard shaft. The new HD shaft has a new design to increase strength, longevity and life over the standard shaft.
Air Restriction Indicator
CBR: Diagnostic Trouble Code (DTC) P215A-64, Fault Code SPN 84 FMI 19
Vibration Diagnostics
2007 document reformatted to be published as a TSB in Impact.
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Lateral cab movement bracket.
2007 document reformatted to be published as a TSB in Impact.
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Cab height adjustment.
2008 document reformatted to be published as a TSB in Impact.
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Coolant tank mounting bracket.
2008 document reformatted to be published as a TSB in Impact.
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Injector removal tool.
2008 document reformatted to be published as a TSB in Impact.
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Injector copper sleeves.
2008 document reformatted to be published as a TSB in Impact.
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Synchronizer fastener change.
2008 document reformatted to be published as a TSB in Impact.
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Rocker Shaft Oil Transfer Tube Installation.
2008 document reformated to be published as a TSB in Impact.
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Rocker Arm Upgrade to current configuration.
2008 document reformatted to be published as a TSB in Impact.
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Ride Height Adjustment tool and gauge.
2008 document reformated to be published as a TSB in Impact.
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Fan Ring mounting bracket bolt.
2008 Document reformatted to be published as a TSB in Impact.
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Grille bar, replacment.
2008 Document reformatted to be published as a TSB in Impact.
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Loose oil filter spud.
2008 Document reformatted to be published as a TSB in Impact.
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Cooling system connections.
2008 Document reformated to be published as a TSB in Impact.
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Torque rod interference.
2008 Document reformated to be published as a TSB in Impact.
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Field repair for installing the grill.
2009 Document reformatted to be published as a TSB in Impact.
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New Air Dryer
2009 Document reformatted to be published as a TSB in Impact.
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Axle Carrier Pinion Angles
2008 document reformated to be published as a TSB in Impact.
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All CXU, CHU, & GU Models built before May 2007. Charge Air Cooler Mounting Hardware Kit.
Premium Tech Tool ( PTT ) Training Materials And Support Tools
DEF Pump Cycling periodically Hours After Key Off
Mack - PTO Pump Speed Calculator
(Back Office Only) Mack Chassis - Cruise Control Inoperative After Disabling The Electronic Stability Program (ESP)
MACK TRUCKS: LOW OIL PRESSURE.
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STORED DTC SPN 100 FMI 1, DURING LONG HARD PULL CONDITIONS. *JS
MACK TRUCK: REVISED FAN RING BRACKET MOUNTING SCREWS.
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A LONGER MOUNTING SCREW (PART NO. 945444) FOR THE LEFT-SIDE FAN RING MOUNTING BRACKET WAS IMPLEMENTED INTO PRODUCTION ON ALL CXU, CHU AND GU MODEL CHASSIS. *PE
Fuel System
20 bulletins2008 document reformatted to be published as a TSB in Impact.
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Air conditioner evaporator freeze up fault.
EXHAUST FLEX PIPES CRACKS
2009 Document reformatted to be published as a TSB in Impact.
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DPF Control "Smart Switch" Options
DEF Pump Troubleshooting Guide - US10+OBD13 And Newer Emissions
Selective Catalytic Reduction (SCR) Muffler Troubleshooting Guide - US10+OBD13 And Newer Emissions
USE FOR NEW VEHICLES (US21+OBD22 Emissions) - Intermittent Diagnostic Trouble Codes U02A3, U029D, U029E
Mack Chassis - Diesel Exhaust Fluid ( DEF ) System Cleaning/Flush After DEF Pump Failure Or System Contamination
Diagnostic Trouble Code ( DTC ) P02FA Illuminating The Malfunction Indicator Lamp (MIL) - US17 (GHG17, Common Rail Fuel...
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System) Chassis ONLY
Diagnostic Trouble Code ( DTC ) P0471 Illuminating The Malfunction Indicator Lamp (MIL) - US17 (GHG17, Common Rail Fuel...
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System) Chassis ONLY
Diagnostic Trouble Code ( DTC ) P0420 Illuminating The Malfunction Indicator Lamp (MIL) - US17 (GHG17, Common Rail Fuel...
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System) Chassis ONLY
Diagnostic Trouble Code ( DTC ) P009E - 73 - Fuel Pressure Relief Control Performance / Stuck Off - GHG17 ( US17 )...
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Chassis With Common Rail Fuel System, Updated to reflect GHG17 software release
Diagnostic Trouble Code ( DTC ) P009E - 73 - Fuel Pressure Relief Control Performance / Stuck Off - GHG17 ( US17 )...
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Chassis With Common Rail Fuel System.Changed repair instructions to reflect new procedures
Service Only Regen Requested With No Warning.
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Diagnostic Trouble Codes ( DTC ) P24A4 / P10FE Active Or Inactive With Several Counts - OBD15 And OBD16 Conventional Chassis; Does Not Apply To US17 (Common Rail Fuel System) Chassis.Updated to reflect release of FSB284-064 (Above)
Mack Chassis - Diesel Exhaust Fluid ( DEF ) System Cleaning/Flush After A Pump Failure or System Contamination.Removed...
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Tech Tip, Added correct operation ID
Expired - Refer to K93039325 - Mack Chassis - SNM16-032 DEF (Diesel Exhaust Fluid) Contamination In Diesel Fuel.New...
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solution released with improved information
MACK TRUCK: TO INCREASED PROTECTION AGAINST FUEL INJECTOR TIP EROSION, A NEW FUEL TANK VENTILATION FILTER WAS...
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IMPLEMENTED, AND MOUNTS ON OUTSIDE OF FRAME RAIL, USING FUEL TANK J BRACKET HUCK FASTENERS. MODEL CHU, CXU, GU, TD. *PE
MACK TRUCK: MOUNTED OUTSIDE OF FRAME RAIL, IS NEW FUEL TANK VENTILATION FILTER MOUNTING SLEEVE, USING FUEL TANK J...
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BRACKET HUCK FASTENERS AND TO INCREASE PROTECTION AGAINST FUEL INJECTOR TIP EROSION. MODEL CHU, CXU, GU, TD. *PE
MACK TRUCKS: THERE ARE NEW EGR OUTLET HOSE CLAMPS.
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*RM
MACK: PROCEDURE TO FIX THE AN INSULATION BLANKET IN THE EXHAUST SYSTEM THAT CAN DETERIORATE OVER TIME.
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*RM UPDATED 9/12/11. *PE
MACK: PROCEDURE TO FIX THE AN INSULATION BLANKET IN THE EXHAUST SYSTEM THAT CAN DETERIORATE OVER TIME.
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*RM UPDATED 9/12/11. *PE
Transmission
17 bulletinsCBR - Automated Manual Transmission ( AMT ) Flywheel Pilot Bearing Wear On Input Shaft.
2008 document reformatted to be published as a TSB in Impact.
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T300 transmission synchronizers repair.
2008 Document reformatted to be published as a TSB in Impact.
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Two-Piece clutch brake.
Warranty Automated Manual Transmission ( AMT, I-Shift, mDrive ) Control Housing Assembly; Guidelines For Filing A Claim...
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For Chassis Return Visit With Transmission Issues After A Repair Requiring Control Housing Removal And Reinstallation - US07 And N.
Automated Manual Transmission ( AMT ) I-Shift / mDRIVE - Ribbon Harness Replacement - Speed Sensor Bolts, Possible Fault...
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Codes P1058 - 21 Or MID 130 PID 161 FMI 1
Mack Chassis - Vehicles Equipped With An Automated Manual Transmission Model F ( AMT-F, mDrive ), Premium Tech Tool (...
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PTT ) Gearbox Calibration Failure; Gearbox Calibration Operation Stops And Fails At 33% When Run With Transmission Removed
Expired - Refer To K45673535 - Mack Chassis SNM15-002b mDRIVE Transmission Service Strategy ( Revised failure mode...
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descriptions )
Automated Manual Transmission Gearbox Will Not Shift To High Range After Gearbox Repair; MID 130 PSID 24 FMI 1, P1072-92...
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Unintentional Disengagement Of High Range - US07 And Newer Emissions, Model Year 2008 And Newer
Certain GU trucks equipped with forward steer axles (18,000 lb rated front axles) and built before 2012, may experience...
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issues with static steering while sitting still. There is not enough ability with a single steering gear to overcome certain turning frictions.
MACK TRUCKS: THE AIR ASSISTED CLUTCH CABLE ON SOME VEHICLES MAY FRAY AT THE CLEVIS.
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*JS
MACK: CLUTCH OPERATION ERROR PREVENTS STARTER ENGAGEMENT UNLESS PEDAL IS FULLY DEPRESSED.
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*RM
MACK TRUCK: THE OIL SLINGER THREADS ON THE INPUT SHAFT OF THE TRANSMISSION WERE THREADED INCORRECTLY AND COULD CAUSE LEAKAGE IN THE AREA.
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*RM
MACK TRUCKS: THERE ARE NEW REVISED TORQUE PROCEDURES TO PREVENT THE BULL GEAR MOUNTING SCREWS FROM LOOSENING.
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*RM
MACK TRUCK: REVISED AIR ASSIST CLUTCH CABLE.
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EFFECTIVE 9/17/07, A REVISED AIR ASSIST CLUTCH CABLE (PART NO. 27RC410M) WAS IMPLEMENTED INTO PRODUCTION ON CXU, CHU, AND GU MODEL CHASSIS. NO MODEL YEARS LISTED. *PE
MACK TRUCK: AIR ASSIST CLUTCH CONVERSION.
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AIR ASSIST TO NON ASSIST CLUTCH CABLE CONVERSION. THE AIR OPERATED CLUTCH ASSIST SYSTEM WAS DESIGNED TO REDUCE CLUTCH PEDAL EFFORT BY APPROXIMATELY 20%, ALONG WITH REDUCING THE CLUTCH PEDAL TRAVEL BY 2" (50.8MM). NO MODEL YEARS LISTED. *PE
MACK TRUCK: THE TRANSMISSION OIL COOLER COOLANT SUPPLY PIPING ARRANGEMENT MAY PREVENT INSTALLATION OF A DRIVESHAFT TO AN...
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ACCESSORY PUMP WITH THE TRANSMISSION MOUNTED PTO LOCATED IN THE 8 O'CLOCK POSITION. MODEL YEARS UNKNOWN. *PE
TRANSMISSION OIL COOLER PIPING REVISION.
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*PE UPDATED 7/8/09. MODEL YEARS UNKNOWN. *PE
Electrical
14 bulletins2007 document reformatted to be published as a TSB in Impact.Coolant level sensor.
2008 Document reformated to be published as a TSB in Impact.
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Revised battery ti battery cable
(Back Office) - Cruise Control Inoperative After Updating Software VECU5 Without ESP Package (UESP).
No Start Condition After Over The Air Programing - VECU5 No Start "Safe State"
Temperature Sensor Troubleshooting Guide - US10+OBD13 And Newer
Low Voltage Disconnect (LVD), Function Description
NOx Sensor Troubleshooting Guide - US10+OBD13 And Newer Emissions
Lighting Control Module ( LCM ) Replacement - Refer To Technical Parts Information ( TPI ) 364 - 034 Control Unit
Particulate Matter ( PM ) Sensor Diagnostic Trouble Codes ( DTC ) Illuminating The Malfunction Indicator Lamp ( MIL );...
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Tech Tip TT-014-2016 - OBD16 And Newer Emissions (Commonly Model Year 2017, Includes Common Rail Fuel System Chassis), Rewritten to split emissions levels, reflect GHG17 software release
ECM and ACM Reprogramming, OBD2015
Mack Chassis - Aftertreatment Control Module ( ACM ) not visible in Premium Tech Tool ( PTT ).Added more checks and...
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procedures
MARCK TRUCK: INFORMATION REGARDING TWO UPPER HUCK BOLTS FOR FUEL TANK J BRACKET AND AFTERTREATMENT CONTROL MODULE (ACM).
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TO PROVIDE NECESSARY CLEARANCE, IF INTERFERENCE EXISTS, CUT OFF END OF HUCK BOLTS AND REMOVE ACM. MODELS GU. NO MODEL YEARS LISTED. *PE
MACK: ON CERTAIN MACK VEHICLES BUILT BEFORE 2/13/2012, THE FRONT CHASSIS TO UREA TANK CONNECTION, LOCATED ON THE SIDE OF...
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THE DEF TANK MAY RUB MOUNTING BRACKET OR NOT STAY SECURED. *JS
MACK TRUCKS: THE FUSE IDENTIFICATION DECAL IS BEING CORRECTED.
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*RM
Brakes
9 bulletins2008 document reformatted to be published as a TSB in Impact.
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ABS sensor mounting bracket.
2008 document reformatted to be published as a TSB in Impact.
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Service Brake Switch Test.
MACK TRUCKS: FOUR WAY FLASHER ABS FAULT.
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CERTAIN VEHICLES EQUIPPED WITH A WEBB SOLID STATE FLASHER, BUILT FROM JAN. 1, 2010 TO JUNE 29, 2012 MAY EXPERIENCE AN ACTIVE ABS FAULT WHEN THE 4 WAY FLASHER IS ENABLED. *JS
MACK TRUCK: PARKING BRAKE ALERT.
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THE NEW ALERT IS MEANT TO INFORM THE VEHICLE OPERATOR THAT THE PARKING BRAKE HAS NOT BEEN APPLY WHILE ATTEMPTING TO EXIT THE VEHICLE. MODELS CXU, CHU, GU, AND TD. NO MODEL YEARS LISTED. *PE
MACK TRUCK: CHASSIS WIRING HARNESS, ACB SENSOR, REPLACEMENT.
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THIS BULLETIN CONTAINS INFORMATION FOR THE REPLACEMENT OF THE ADAPTIVE CRUISE WITH BRAKING (ACB) SENSOR CHASSIS OVERLAY WIRING HARNESS, FOUND ON CXU, CHU, GU AND TD MODEL MACK TRUCKS. NO MODEL YEARS LISTED. *PE
MACK TRUCK: SENSOR, ADAPTIVE CRUISE WITH BRAKING (ACB), ALIGNMENT.
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THIS BULLETIN CONTAINS INFORMATION FOR CHECKING THE ALIGNMENT AND ADJUSTING THE ADAPTIVE CRUISE WITH BRAKING (ACB) SENSOR FOUND ON CXU, CHU, GU AND TD MODEL MACK TRUCKS. NO MODEL YEARS LISTED. *PE
MACK TRUCKS: SERVICE BRAKE SWITCH TEST FOR CRUISE CONTROL ACTIVATION.
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A CHANGE WAS MADE TO THE VEHICLE ELECTRONIC CONTROL UNIT (VECU) SOFTWARE WHICH AFFECTS CRUISE CONTROL. MODELS CXU, CHU, GU, TD, LEU, MRU. *PE
MACK TRUCKS: INSTALLATION OF AIR TANK MOUNTING STRAPS AND END GUSSET - CHU AND GU MODELS.
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THE AIR TANK MOUNTING TABS WHICH ARE WELDED TO THE RESERVOIRS CAN CRACK IN THE AREA OF THE MOUNTING BOLT HOLES. MODELS CHU, GU7 AND GU8 (2006-2007) *PE
REVISED FASTENERS FOR TELMA YOKE AND ROTOR-TO-COMPANION FLANGE - GU, MRU AND LEU MODELS WITH TELMA RETARDER.
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*PE
Suspension
8 bulletins2008 Document reformatted to be published as a TSB in Impact.
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Air suspension ride height.
Electronically Controlled Suspension (ECS) Losing Air Pressure
MACK TRUCKS: REAR SUSPENSION HARDWARE TORQUE.
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BOLTS ARE LOOSE OR INCORRECTLY TORQUED ON THE PRIMAAX SUSPENSION. *JS UPDATED 07/18/2013 *JS
MACK TRUCKS: REAR SUSPENSION ADJUSTMENT WASHERS.
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REPLACEMENT OF THE SUSPENSION ADJUSTMENT WASHERS IS REQUIRED. *JS
MACK TRUCKS: SLACK ADJUSTER CONTROL ARM.
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HALDEX SLACK ADJUSTERS AND RIDEWELL SUSPENSION MAY EXHIBIT A CONDITION WHICH ALLOWS THE SLACK ADJUSTER CONTROL ARM TO MAKE CONTACT WITH THE RIDEWELL SUSPENSION WALKING BEAM DURING STEEP SUSPENSION ARTICULATION. *JS UPDATED 06/28/13. *PE UPDATED 12/19/13. *PE UPDATED 08/09/2014 *JS
MACK TRUCK: BROKEN LONGITUDINAL TORQUE ROD MOUNTING STUD IN AXLE SPRING SEAT DUE TO WING BRACKET INTERFERENCE.
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THIS INCLUDES THE TD MODEL. NO MODEL YEARS LISTED. *PE
MACK TRUCK: REVISED FAN HUB MOUNTING BOLT TORQUE.
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FOR THIS APPLICATION ONLY, THE FAN HUB MOUNTING STUD MATERIAL PROPERTIES AND LENGTH HAVE BEEN CHANGED. STUD MATERIAL IS NOW GRADE 10.8 (PREVIOUSLY WAS GRADE 8.8), AND THE STUD LENGTH HAS BEEN CHANGED TO 45MM (WAS 40MM) TO ENSURE FULL NUT ENGAGEMENT. NO MODEL YEARS LISTED. *PE
MACK TRUCK: REVISED FAN HUB MOUNTING BOLT TORQUE.
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FOR THIS APPLICATION ONLY, THE FAN HUB MOUNTING STUD MATERIAL PROPERTIES AND LENGTH HAVE BEEN CHANGED TO 45MM (WAS 40MM) TO ENSURE FULL NUT ENGAGEMENT. MODEL YEARS UNKNOWN. *PE
Body & Paint
6 bulletins2008 document reformated to be published as a TSB in Impact.
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Windshield wiper arm nozzle.
2008 document reformated to be published as a TSB in Impact.
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Revised Pedal Cover Panel.
2008 Document reformatted to be published as a TSB in Impact.
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Paint protection.
MACK: THE DOOR STOP BRACKET WILL FAIL, ON SOME TRUCKS, DUE TO AN OVER EXTENSION OF DOOR, BUT A NEW DOOR DESIGN ASSEMBLY IS AVAILABLE.
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MODEL CHU, CXU, GU, TD. NO YEARS LISTED. *PE
MACK TRUCK: PASSENGER DOOR PEEP WINDOW IS LOOSENING FROM DOOR.
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THIS MAY RESULT IN THE WINDOW BUTYL TAPE SOFTENING BECAUSE OF HIGH TEMPERATURES. *PE
MACK TRUCK: REAR TRIM PANEL WEAR PLATE, INSTALLATION.
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MODEL CHASSIS EQUIPPED WITH HIGH BACK OR MID BACK SEATS, THE SEAT BACK CAN RUB AND WEAR THROUGH THE REAR TRIM PANEL. DOES NOT APPLY TO CHASSIS EQUIPPED WITH SEARS BRAD SEATS. MODELS CH, CL, CV, CX AND GU. NO MODEL YEARS LISTED. *PE
Software & Calibration
6 bulletinsMack Chassis - Bendix Vendor Configuration Program ( VCP ) Software Download Information
Mack Chassis - Diagnostic Trouble Code ( DTC ) P0128, Diagnostic And Repair - US14+OBD13 (Commonly Year Model 2015) And...
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Newer.Updated to reflect release of FSB284-064 (Above)
MACK TRUCK: FLASHERS ARE TO BE REMOVED DUE TO DURABILITY ISSUES.
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*JS
MACK: TORQUE ROD REPLACEMENT ON FRONT REAR AXLE.
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*JS UPDATED 5/9/12. *PE
MACK TRUCKS: THERE ARE CRACKS IN A STEEL OIL TUBE THAT CAN LEAD TO LEAKING.
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*RM UPDATED 2/21/12. *PE
MACK: FAN RINGS ARE CRACKING DURING EXTREME SERVICE.
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*RM UPDATED 9/7/11. *PE
Lighting
5 bulletinsTSB-Charge Air Cooler t-clamp install.
Mack Chassis - Diagnostic Trouble Code ( DTC ) P2459 Lighting The Malfunction Indicator Lamp ( MIL ); Possible Frequent...
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Regeneration Requests - OBD15 And Newer Chassis
Mack Chassis - Diagnostic Trouble Code ( DTC ) P226C Intermittently Lighting The Malfunction Indicator Lamp ( MIL ) -...
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OBD15 And OBD16 Conventional Chassis.Updated to reflect release of FSB284-064 (Above)
Diagnostic Trouble Code ( DTC ) P249C Intermittently Lighting The Malfunction Indicator Lamp ( MIL ) - OBD15 And OBD16,...
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Model Year ( MY ) 2016 and 2017 Chassis.Updated to reflect release of FSB284-064 (Above)
Diagnostic Trouble Code ( DTC ) P0422 Lighting The Malfunction Indicator Light ( MIL ) - OBD15 And OBD16 Chassis...
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(Non-Common Rail).Updated to reflect release of FSB284-064 (Above)
Pre-Delivery & Maintenance
4 bulletinsCBR: eWarranty To UCHP Labor Code ( SCC Code ) Crossover, Conversion Information For Use With Campaigns ( FI, PI ) And...
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Recalls ( EC, SC ), Location On Trucks Dealer Portal ( TDP )
Stock Vehicle Storage and Maintenance
2008 document reformated to be published as a TSB in Impact.
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Injector rocker arm service.
2009 Document reformatted to be published as a TSB in Impact.
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DRV Air Line Service Kit
Tires & Wheels
3 bulletinsFlywheel Housing Thread Repair
MACK TRUCK: THE GRADE GRIPPER FEATURE, ON SOME TRUCKS, ARE PRONE TO HARSH ENVIRONMENTS WITH INTERNAL CONTAMINATION,...
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CAUSED BY BUILD UP OF GRIME, SALT, ROAD DEBRIS AND OTHER CONTAMINANTS. MODEL CHU, CXU, GU, TD. *PE
MACK TRUCKS: OIL SEEPAGE AT FLYWHEEL HOUSING.
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THIS PROBLEM HAS ALREADY BEEN SOLVED IN PRODUCTION, BUT THE PRODUCTION SOLUTION IS NOT COMPATIBLE WITH PREVIOUS GENERATION FLYWHEEL HOUSINGS. *JS
Infotainment
2 bulletinsInstrument Cluster Programming - Programming Fails Or Errors Display When Replacing An Instrument Cluster With A Newer...
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Part Number (Conversion Kit) - US04 To US10 Chassis (9-Pin Diagnostic Connector)
Mack Chassis - Replacement / Upgrade Of The Programmable Global Audio ( GLAD ) Radio With A Non-programmable Radio
HVAC & Climate
2 bulletins2008 Document reformatted to be published as a TSB in Impact.
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HVAC fine particulate filter.
MACK TRUCK: FINE PARTICULATE FILTER FOR HVAC UNITS-CXU, CHU, GU, CXP AND CTP MODELS.
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A PLEATED FINE PARTICULATE HVAC FILTER (PART NO. 85112361) HAS BEEN DEVELOPED FOR THE HVAC UNITS IN CERTAIN MODELS. NO MODEL YEARS LISTED. *PE