2013 Mack Pinnacle (cxu) TSBs
136 Technical Service Bulletins across 12 categories
Categories
Engine
35 bulletinsCBR: Telematics Gateway ( TGW, MID 142 ) Losing Communication With The Instrument Cluster ( IC ) - Counts Of Fault Code...
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(FC) MID 140 PSID 239 FMI 12 Data Link, MID 142 Faulty Device or Component Logging, Possibly Following Engine Start.
Barksdale Leveling Valve, Leak Test
Mack Chassis - Fault Code List / Engine Control Module (ECM), Aftertreatment Control Module (ACM), Electrical System...
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Version 4 Diagnostic Trouble Codes (DTC) Model Year 2013 - 2017
Programming Failure - Chassis With Cummins Engine And An Allison Transmission
US10 Emission Engines - Diagnostic Trouble Code ( DTC ) SPN 1231 FMI 9 Troubleshooting.
Vehicles Equipped With An Automated Manual Transmission Model D or F ( AMT-D, AMT-F ) - Transmission Oil Leakage From...
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Transmission Input Shaft Seal Or Output Shaft Seal - US10 And Newer Emissions, Common Model Years 2010 And Newer.
Emcon (Spark Assist) Engine Aftertreatment System Troubleshooting Check Sheet - US07 Emissions
Low Oil Pressure Diagnostic Process For 11 Liter Engines
Manual Compression Test Adapter For Engines With Stainless Steel Injector Sleeves (Conical Tip Injectors) - US07 And...
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Newer Emissions, Model Year 2008 And Newer
Mack 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
Mack Chassis - Equipped With An Automated Manual Transmission Model D or F (mDrive, AMT-D, AMT-F) - Transmission Oil...
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Leakage From Transmission Input Shaft Seal Or Output Shaft Seal - US10 And Newer Emissions, Common Model Years 2010 And Newer
Engine Oil Analysis Specifications - US10 And Newer Emissions
Automated Manual Transmission( AMT ) ( I-Shift, mDRIVE ) Equipped Chassis, OBD13 And Newer - Light Turbo Surge ( Chuff )...
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During Skip Shifting
Automated Manual Transmission( AMT ) ( I-Shift, mDRIVE ) Equipped Chassis, OBD13 And Newer - Light Turbo Surge ( Chuff )...
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During Skip Shifting
Diagnostic Trouble Codes (DTC) For The Engine Pre-Heat Relay: Supplementary Instructions
Mack Chassis - Pinnacle (CHU,CXU,PI), Anthem (AN), Granite (GU,GR) With Mack Engine ONLY - Power Take Off ( PTO ) Engine...
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Speed Control Inoperative; Engine Speed Does Not Ramp When PTO Is Activated - Model Year 2007 And Newer
Diagnostic Trouble Code ( DTC ) P471 Illuminating The Malfunction Indicator Lamp (MIL) - US17+OBD16, US17+OBD18 (GHG17,...
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Common Rail Fuel System) Chassis With Turbo Compound ONLY
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
MACK TRUCK: SHOULD REPROGRAMMED ENGINE ECU AND AFTERTREATMENT CONTROL MODULE (ACM) DUE TO PREMIUM TECH TOOL EXPERIENCE...
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AN ERROR CODE 38 FOR SCR OVERTEMP AND ENGINE ECU SOFTWARE NEEDS CHECKING FOR ANY TROUBLESHOOTING IS PERFORMED. MODEL 2013-15 CHU, CXU, GU, LEU, MRU, TD. *PE
MACK: WHEN SUSPENSION, ON SOME TRUCKS, IS LEFT DUMPED, THERE ARE NO WARNING LIGHT, BUZZER OR ROAD SPEED LIMIT, DUE TO...
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VEHICLE ELECTRONIC CONTROL UNIT (VECU) SOFTWARE FAILS TO SUPPORT VENDOR ENGINES REGARDING THIS FUNCTION. MODEL GU, CXU. *PE
MACK: WHEN SUSPENSION IS LEFT DUMPED, NO WARNING LIGHT, ROAD SPEED LIMIT OR BUZZER DUE TO SOFTWARE IN VEHICLE...
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ELECTRONIC CONTROL UNIT (VECU) IS NOT SUPPORTING VENDOR ENGINES AND NEEDS REPROGRAMMING. MODEL 2011-2013 GU, CXU. *PE
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 TRUCKS: THE HDMS COOL LOGIC ENGINE COOLING FAN DRIVE IS LEAKING FLUID FROM REAR DRIVE AND HDMS FAN DRIVE WAS...
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REDESIGNED, DUE TO LEAKAGE, TO IMPROVE SEALING AND OVERALL DURABILITY OF DRIVE. MODEL 2013 CHU, CXU, GU, TD. *PE
MACK TRUCKS: INFORMATION AVAILABLE REGARDING THE ENHANCEMENTS FOR ENGINE CONTROL MODULE (ECM) SOFTWARE UPDATES TO...
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ADDRESS COLD START TIME DELAY, IMPROVED SOOT LEVEL AND PISTON COOLING JET (PCJ) DIAGNOSTIC FAULT. MODEL 2013 CHU, CXU, GU, LEU, MRU, TD. *PE
MACK: UNDER CERTAIN CONDITIONS, HIGHER THAN EXPECTED TURBOCHARGER WHEEL SPEED, UNEVEN ENGINE SPEED, LOW T2...
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TEMPERATURES, HIGH ENGINE LOAD, MAY HAVE REGENERATION SERVICE FAILURES. MODEL CXU, GU. NO YEARS LISTED. *PE
MACK TRUCKS: UNDER CERTAIN CONDITIONS, SOME TRUCKS MAY HAVE EXPERIENCE REGENERATION SERVICE FAILURES, THAT INCLUDE...
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HIGHER TURBOCHARGER WHEEL SPEED, HIGHER BOOST PRESSURE, HIGH ENGINE LOAD, UNEVEN ENGINE SPEED AND LOW T2 TEMPERATURES ON ENGINES. MODEL 2011-2013 CXU, GU. *PE
MACK: TRUCKS WITHOUT HAND CONTROL VALVES, WERE BUILT WITH DOUBLE CHECK VALVE INSTALLED TO TRACTOR PROTECTION VALVE...
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(TPV) AND DUE TO MISBUILD, DOUBLE CHECK VALVE NEEDS REMOVING FOR PROPER OPERATION OF BRAKE SYSTEM. MODEL 2013 CHU, CXU GU. *PE
MACK: DIAGNOSTIC TROUBLE CODES (DTCS), P1086, P0420, P205B, P202, LOW TEMPERATURE, WILL BE RESOLVED WITH SOFTWARE...
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UPDATE ENHANCEMENTS FOR ENGINE CONTROL MODULE (ECM) AND AFTERTREATMENT CONTROL MODULE (ACM). MODEL 2013 CHU, CXU, GU, LEU, MRU, TD. *PE UPDATED 02/26/2014 *JS
MACK: UPDATE SOFTWARE INFORMATION REGARDING ENHANCEMENTS FOR ENGINE CONTROL MODULE (ECM) AND AFTERTREATMENT CONTROL...
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MODULE (ACM) ON VEHICLES WITH DIAGNOSTIC TROUBLE CODES (DTCS) P1086, P0420, P205B, P2002 AND LOW COOLANT TEMPERATURE AND LIGHT LOAD. MODEL 2013 CHU, CXU, GU, LEU, MRU, TD. *PE UPDATED 02/26/2014 *JS
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: REGARDING THE BREAKING OR CRACKING, AT STARTER SOLENOID STUD, OF 90 DEGREE POSITIVE BATTERY CABLE LUG; THE...
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LUG WAS BENT AT TIME OF ASSEMBLY, AND ENGINE VIBRATES, CAUSING TERMINATION OF TERMINAL TO WEAKEN. MODELS CXU, GU. MODEL YEARS NOT LISTED. *PE UPDATED 1/24/2014 *JS
MACK TRUCK: WHILE DRIVING, AND FOOT BRAKE DEACTIVATES CRUISE CONTROL, ENGINE BRAKE FAILS TO FUNCTION PROPERLY UNTIL MANUALLY TURNED OFF AND THEN ON.
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MODELS CHU, CXU, GU, TD. NO MODELS YEARS LISTED. *PE
MACK TRUCK: THE OLD OIL SUPPLY LINE, FOR EXHAUST GAS RECIRCULATION (EGR) VALVE, WAS REPLACED WITH NEW OIL SUPPLY LINE...
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WITH MACHINED FITTING BRAZED ON END OF TUBE PREVENTING LEAKAGE ON OIL FILTER HOUSING. MODELS CXU, GU. NO MODEL YEARS LISTED. *PE
Fuel System
27 bulletinsMack Chassis - TerraPro (MRU) And Low Entry (LEU) Models - Field Service Bulletin FSB 381-042, Warning Light Bar (WLB)...
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Replacement and Software Conversion Kit - US07, US10, US10+OBD13, US14+OBD13 To US14+OBD16 Emissions, Model Years 2008 To 2017
Mack DEF Pump Troubleshooting Guide - US10+OBD13 And Newer Emissions
Selective Catalytic Reduction (SCR) Muffler Troubleshooting Guide - US10+OBD13 And Newer Emissions.
DEF Pump Troubleshooting Guide - US10+OBD13 And Newer Emissions.
Premium Tech Tool (PTT) - Message For Data Mismatch, Product Configuration Mismatch; Instruction To Run An Accessory Kit...
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Displayed When Attempting To Run Diagnostics For Diagnostic Trouble Codes (DTC) Or Programming - US10+OBD13 And Newer Emissions,
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
Aftertreatment Hydrocarbon Injector (AHI) Troubleshooting Guide - US10+OBD13 And Newer Emissions
Regen Fails to Start/Initiate Or Starts And Immediately Stops - US10 And US10+OBD13 Emissions
System Date And Time, Information; Diagnostic Tool ( J-Pro, Premium Tech Tool ( PTT ) ) Displays Incorrect Timestamp For...
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Diagnostic Trouble Code ( DTC ) / Fault Code Occurrences, Possible Data Link Codes Present - US07 And Newer Emissions, Common Mod
Diagnostic Trouble Code (DTC) P04DB - Crankcase Ventilation Disconnected; US10+OBD13 To US14+OBD16 Emissions
Aftertreatment Hydrocarbon Injector (AHI) Troubleshooting Guide - US10+OBD13 And Newer Emissions
Volvo Chassis - Diesel Exhaust Fluid ( DEF ) Contamination In Fuel System, Inspection And Repair - US10 to US14 (...
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Non-Common Rail Fuel System )
Volvo Chassis - Diagnostic Trouble Code (DTC) SA 0 FMI 0 or SPN 0 FMI 0 Present On Fault Code Readout - US10 And Newer...
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Emissions, Model Year 2011 And Newer
Mack Chassis - Where To Find The Body Builder Portal - Body Builder Manual ( BBM ) Information - US04 And Newer...
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Emissions, Model Year 2008 And Newer
Diesel Fuel Information - Acceptable Biodiesel, Fuel Blend For Summer And Winter - US07 And Newer Emissions, Model Year...
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2008 And Newer
Mack Chassis - Disabling The Driver ID; Removing the Driver ID Prompt - US07 To US14+OBD16 Emissions, Model Years 2008...
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To 2017
Mack Chassis - Diagnsotic Trouble Code P026D-00, Fuel Injection Quantity Higher Than Expected; Diagnosis And Information...
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- US14+OBD15 Emissions, Model Year 2016
Fuel Tank Strap Insulator Design Update; Fuel Tank Strap Appearance Changed
Aftertreatment Hydrocarbon Injector (AHI, 7th Injector) Changes Between US10 And US17 (GHG17, Common Rail Fuel System) -...
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Chassis Experiencing High soot Accumulation, Abnormal ( Too High, Overtemp, Too Low ) Regeneration Temperatures Following An Aftertreatment Hydrocarbon Injector Nozzle Replacement Procedure
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
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
Electrical
19 bulletinsAftertreatment Diesel Exhaust Fluid (DEF) Tank, Level Sensor, Replacement
CBR: Mack NOx Sensor Troubleshooting Guide - US10+OBD13 And Newer Emissions
NOx Sensor Troubleshooting Guide - US10+OBD13 And Newer Emissions.
(Back Office) - Cruise Control Inoperative After Updating Software VECU5 Without ESP Package (UESP).
Sensor And Parameter Value Monitor - Template Parameter List For Pre-OBD (9-Pin Diagnostic Connector) Chassis In Premium...
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Tech Tool ( PTT ); Regeneration And Road Test Sensor Monitor Parameters - US07 And US10 Emissions, Model Years 2008 To 2013
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
Aftertreatment Control Module ( ACM ) Diagnostic Trouble Codes ( DTC ) U0001-88 and U0010-88 Lighting The Malfunction...
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Indicator Lamp ( MIL ); Possible Derate Warning US10 And Newer Chassis
Intake Pre-heater Electrical Schematics (Diagrams) - US10+OBD13, US14+OBD13 To US14+OBD16 Emissions
Exhaust Gas Temperature Sensor Circuit Range/Performance
Lighting Control Module ( LCM ) Replacement - Refer To Technical Parts Information ( TPI ) 364 - 034 Control Unit
Aftertreatment Control Module (ACM) Offline/Not Visible/Missing From Control Unit Information in Premium Tech Tool (PTT)...
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- US10+OBD13 And Newer Emissions
ECM and ACM Reprogramming, OBD2015
MACK: WHEN THE OUTPUT FROM THE VECU GETS SHORTED OUT TO GND, THERE IS NO WARNING AND CAUSES 5TH WHEEL TO SLIDE WITHOUT...
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ACTIVATING 5TH WHEEL SLIDE SWITCH AND NEEDS TO BE REPROGRAM. MODEL 2010-2014 CHU, CXU, GU, TD. *PE
MACK: WHEN THRESHOLD OF HIGH VOLTAGE HAS BEEN MET, THE LIFEGUARD BATTERY PROTECTION SYSTEM (LVD) RELAY MAY NOT TURN...
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LOADS BACK ON, DUE TO AN ASSEMBLY ERROR AT SUPPLIER. MODEL 2010-2014 CHU, CXU. *PE
MACK: SOFTWARE IN FUEL MANAGEMENT MODULE (FMM) HAD INCORRECT CALIBRATION AND OPEN CIRCUIT FAULT CRITERIA, CAUSING LOW...
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FUEL WARNING TO COME ON TOO SOON AND SHOWED FULL WHEN FUEL LEVEL SENSOR SIGNAL BECAME OPEN. *PE
MACK TRUCK: IN THE WIRE HARNESS THAT CONNECTS THE CHASSIS TO TANK, SOME WIRE SEALS MAY BE MISSING, AND CAN CAUSE CORROSION AT CONNECTIONS.
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MODEL CXU. *PE
Other
18 bulletinsCBR -Telematics Gateway (TGW) Connect Ability Issues
CBR: TGW Will Not Connect After SIM Card Replacement
Mack 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
New Vehicle Safety Certification Requirements for Vehicles, U.S.
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and Canada
2009 Document reformatted to be published as a TSB in Impact.
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Axle Carrier Pinion Angles
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 Chassis - CXU - Lane Departure Warning System ( LDWS ) More Sensitive To The Right-hand ( Passenger ) Side Of The...
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Vehicle; PI0882
Mack Chassis - FSB 563-008 Plugs, Pressure Protection Manifold - New Brass Plugs For Noregon Pressure Protection...
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Manifold (PPM)
Mack Chassis - FSB 237 - 020, Unit Injector Yoke Hold - Down Bolt Torque Specification
Diagnostic Trouble Codes (DTC) P20EE And P103C, Diagnostic Procedure; REPLACES GUIDED DIAGNOSTICS IN PREMIUM TECH TOOL (...
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PTT ) - US17+OBD16 And Newer Chassis ONLY
Mack Chassis - Fault Code SID 158 FMI 0 Logging In Instrument Cluster ( MID 140, IC ), No Code Description Or Diagnostic...
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Information
MACK TRUCKS: LOW OIL PRESSURE.
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STORED DTC SPN 100 FMI 1, DURING LONG HARD PULL CONDITIONS. *JS
Transmission
14 bulletinsCBR - Automated Manual Transmission ( AMT ) Flywheel Pilot Bearing Wear On Input Shaft.
2009 Document reformatted to be published as a TSB in Impact.
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Air-Operated Clutch Assist Adjustment and Troubleshooting
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
Automated Manual Transmission (AMT) (Spigot Bearing) Input Shaft Repair Kit And Shim Kit, Part Number Information,...
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Reference Guide - US07 And Newer Emissions, Model Year 2008 And Newer
Mack Chassis - Equipped With An Automated Manual Transmission (mDrive, AMT) AMT-C, AMT-D Or AMT-F - Transmission Oil...
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Specifications - Model Years 2010 To 2020
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
Transmission Oil Cooler Hose, Replacement
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
MACK: ON SOME TRUCKS, MORE LEG AND KNEE ROOM WAS PROVIDED FOR OPERATOR COMFORT DUE TO AIR OPERATED CLUTCH ASSIST SYSTEM...
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DESIGNED TO REDUCE CLUTCH PEDAL EFFORT BY 20% AND CLUTCH PEDAL TRAVEL BY 2' (50.8MM). MODEL CHU, CTP, CXP, CXU, GU. NO YEARS LISTED. *PE
MACK: DUE TO SUPPLIER MANUFACTURING ISSUE WITH CONNECTOR, SOME TRUCKS MAY EXPERIENCE MULTIPLE OPEN CIRCUITS IN 31 WAY...
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TRANSMISSION CONNECTOR AND WOULD TO BE INSPECTED AND IF NEEDED, REPAIRED AND REPLACED. MODEL 2011-2013 CHU, CXU, GU, TD. *PE
MACK TRUCKS: THE AIR ASSISTED CLUTCH CABLE ON SOME VEHICLES MAY FRAY AT THE CLEVIS.
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*JS
Lighting
6 bulletinsMack Chassis - No Gauge Cluster Backlight
TSB-Charge Air Cooler t-clamp install.
Mack Chassis - Models - Anthem (AN), Pinnacle (PI, CXU, CHU) - Headlamp Aiming Instructions;
MACK TRUCKS: THE CHASSIS FAIRING SKIRT NEEDS TO BE INSTALLED.
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*JS
MACK TRUCKS: NEW SWITCH MOUNTING BRACKET WAS DEVELOPED TO REPLACE EXISTING TURN SIGNAL SWITCH MOUNTING BRACKET, DUE TO...
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CONTACT BETWEEN SWITCH FINGERS AND SLEEPING SHAFT, THAT CAUSED SWITCH OPERATION TO IMPROPERLY CANCELS ITSELF. MODEL CHU, CXU, GU, TD. *PE
MACK TRUCK: THE SUPPORT BRACKETS, USED WITH WIDE BASE WHEEL/TIRE COMBINATIONS EQUIPMENT, PROVIDE ADDITIONAL STRENGTH...
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THAT IS REQUIRED WITH LONGER CAM TUBES, WERE NOT INSTALLED AT FACTORY, AND NEED TO BE REPLACED. MODELS CHU, CXU, GU. NO MODEL YEARS LISTED. *PE
Suspension
5 bulletinsElectronically Controlled Suspension (ECS) Losing Air Pressure
Mack Chassis - Front Hub With Unit-Bearings ( Unitized Wheel Bearings ), Inspection Information And Guidelines -...
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Commonly Model Year 2008 And Newer
MACK: INFORMATION PROCEDURE REGARDING THE INSPECTION AND REPLACEMENT OF TOP PLATE AND SPRING SEAT, DUE TO DEFECTIVE...
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BUSHINGS OF TWIN Y AIR SUSPENSION, IF NEEDED. MODEL CHU, CXU. NO YEARS LISTED. *PE
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
Brakes
4 bulletinsCBR - Active "Set Park Brake" Message On Drivers Information Display (DID).
MACK: THE PROTRUSION OF BRAKE SHOES BEYOND BRAKE DRUM IS BEING REPLACED WITH NEW 152MM (6.0 IN) BRAKES SHOES, 178 MM...
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(7.,0 IN) WIDE BRAKE DRUMS ON SOME TRUCKS. MODEL 2011-2014 CHU, CXU, GU, TD. *PE
MACK: BRAKE SHOES PROTRUDES BEYOND BRAKE DRUM AND CAN BE RESOLVED BY INSTALLING BRAKE SHOES 152MM (6.0 IN) AND WIDE BRAKE DRUMS 18MM (7.0 IN).
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MODEL 2011-2014 CHU, CXU, GU, TD. *PE
MACK: AIR DISC BRAKE EXPERIENCING THERMAL OVERLOAD CONDITION THAT OVER ADJUSTMENT OF NORMAL PAD WEAR COMPENSATION THAT...
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MAINTAINS RUNNING CLEARANCE BETWEEN BRAKE PAD AND ROTOR AND REDUCES RUNNING CLEARANCE BELOW DESIRED LEVEL. MODEL CHU, CXU, GU, LEU, MRU, TD. NO YEARS LISTED. *PE
Software & Calibration
3 bulletinsMack Chassis - Bendix Vendor Configuration Program ( VCP ) Software Download Information
MACK: DUE TO A SOFTWARE BUG, MULTIPLE COUNTS OF INACTIVE FAULTS WERE FOUND, AFFECTING THE ACCELERATOR PEDAL (STANDARD OR KICKDOWN PEDAL).
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MODELS 2013 CHU, CXU, GU, LEU, MRU, TD, CMH, CMM. *PE
MACK TRUCK: FLASHERS ARE TO BE REMOVED DUE TO DURABILITY ISSUES.
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*JS
Tires & Wheels
2 bulletins2009 Document reformatted to be published as a TSB in Impact.
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Axle Alignment Specifications
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
Body & Paint
2 bulletinsHood Insulation Separating From Hood, Insulation Installation Instructions
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
Pre-Delivery & Maintenance
1 bulletinStock Vehicle Storage and Maintenance