CBR 2362-3 202604
Service Bulletin/Repair Instructions
CBR - Mack Carrier Nut Adhesive Change.
Vehicle report
2012 MACK GRANITE (GU)
Service bulletins
176 bulletinsTechnical service bulletins are instructions a manufacturer sent its dealers about a known fault. They are not recalls and the work is usually not free, but they are the clearest signal of a problem the manufacturer already knows about.
CBR 2573-1 202604
Service Bulletin/Repair Instructions
CBR - Mack Chassis - Through Shaft Bearing Retainer Breakage On Mack Carriers.
CBR 820-9 202601
Service Bulletin/Repair Instructions
CBR - Mack Chassis - Engine Brake Only Works With The Brake Pedal, No Function During Cruise. US07 And Newer Emissions, Model Year 2008 And Newer.
CBR 2488 072025
Service Bulletin/Repair Instructions
CBR - A significant GPS reporting issue is affecting fleet operations, with trucks maintaining back-office communication but failing to transmit GPS location data.
CBR 407 072025
Service Bulletin/Repair Instructions
CBR - To correct the MID136 SID 66 FMI 7 fault code the latest Bendix VCP file will need to downloaded.
CBR 170-8 202505
Service Bulletin/Repair Instructions
Inactive Code P25AE00 Being Generated After A Hard Pull And A Momentary Drop In Engine Oil Pressure (Low Oil Pressure) (Possible Related Codes - SPN4811 , SPN 100 , PID 100)
CBR-561 202503
Service Bulletin/Repair Instructions
If oil dilution is suspected refer to the applicable CBR solution below: ∙ CBR-659Mack Chassis - Oil Diluted With Fuel; Fuel In Oil, Diagnostic Information - All Emissions, All Model Years
CBR-731 202409
Service Bulletin/Repair Instructions
CBR: Automated Manual Transmission (AMT) Model D or F (mDrive and I-Shift, AMT-D, AMT-F) - Transmission Oil Leakage From Transmission Input Shaft Seal Or Output Shaft Seal - US10 And Newer Emissions, Common Model Years 2010 And Newer
CBR-407 202409
Service Bulletin/Repair Instructions
CBR: To correct the MID136 SID 66 FMI 7 fault code the latest Bendix VCP fi le will need to be downloaded.
CBR-471 202409
Service Bulletin/Repair Instructions
CBR: The procedure to eliminate the Mack Chassis "Air Restriction Light On" seen in the cluster is to confirm that the parameter YYT is set to "Enable" with Premium Tech Tool.
CBR-343 202408
Service Bulletin/Repair Instructions
CBR: Mack chassis with an mDRIVE transmission, there have been reports of complete shift assemblies and TECUs being replaced due to technicians being unable to pinpoint the source of the air leak.
CBR-561 202408
Service Bulletin/Repair Instructions
CBR: 11L, 13L, And 16L Engine Oil Analysis Specifications - US10 And Newer Emissions
CBR-2383 202406
Service Bulletin/Repair Instructions
CBR - Accelerator Pedal: Inspection Instructions
CBR-2139 202405
Service Bulletin/Repair Instructions
CBR: Vehicles built with an 11 liter engine may experience a complaint of excessive fuel in the oil. It is possible that the source of the fuel is the rear fuel galley plug in the cylinder head. A new and improved fuel galley plug has been developed to resolve this issue.
CBR-2350 202402
Service Bulletin/Repair Instructions
CBR -Telematics Gateway (TGW) Connect Ability Issues
CBR-202 202402
Service Bulletin/Repair Instructions
CBR - Automated Manual Transmission ( AMT ) Flywheel Pilot Bearing Wear On Input Shaft.
CBR-2347 202402
Service Bulletin/Repair Instructions
CBR - Active "Set Park Brake" Message On Drivers Information Display (DID).
CBR-2320 202312
Service Bulletin/Repair Instructions
CBR: For vehicles equipped with an 11L engine, the plastic saddle bracket holding the a/c line on the left side of the engine may move excessively and rub the area where it secures the line.
M-465-001 202311
Service Bulletin/Repair Instructions
TSB: Mack Trucks now offer an improved HD Inter-Axle Through Shaft for the CRD 125, 150, 180, and 200 family carriers. 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.
M-141-001 202308
Service Bulletin/Repair Instructions
TSB: Air Restriction Indicator
M728-005A 202308
Service Bulletin/Repair Instructions
TSB: Barksdale Leveling Valve, Leak Test
CBR-2112 202307
Service Bulletin/Repair Instructions
CBR: Programming Failure - Chassis With Cummins Engine And An Allison Transmission
SLM23-005
Service Bulletin/Repair Instructions
Service Literature Published and Released in May, 2023
KC-614-Ver4
Service Bulletin/Repair Instructions
CBR: eWarranty To UCHP Labor Code ( SCC Code ) Crossover, Conversion Information For Use With Campaigns ( FI, PI ) And Recalls ( EC, SC ), Location On Trucks Dealer Portal ( TDP )
KC-474-Ver5
Service Bulletin/Repair Instructions
CBR: Diagnostic Trouble Code (DTC) P215A-64, Fault Code SPN 84 FMI 19
KC-2266
Service Bulletin/Repair Instructions
CBR: Mack Granite - Diagnostic Trouble Code (DTC) P208464
KC-2264
Service Bulletin/Repair Instructions
CBR: Mack Chassis - Allison Reduced Engine Load At A Stop (RELS) Diagnostic Trouble Code P071a Or P07ce - GR,TE,LR Models - Non-Split/Drop Box PTO
KC-2116
Service Bulletin/Repair Instructions
CBR: Mack NOx Sensor Troubleshooting Guide - US10+OBD13 And Newer Emissions
M-170-001
Service Bulletin/Repair Instructions
TSB: Stock Vehicle Storage and Maintenance
M-170-002
Service Bulletin/Repair Instructions
TSB: New Vehicle Safety Certification Requirements for Vehicles, U.S. and Canada
M-170-003
Service Bulletin/Repair Instructions
TSB: Vibration Diagnostics
M-700-001
Service Bulletin/Repair Instructions
TSB: Frame Flange Relief Cut-out Templates with 105 millimeter Frame Flanges
S7627
Service Bulletin/Repair Instructions
Mack MMD Alternator Pulley
KC-2254
Service Bulletin/Repair Instructions
Mack Chassis - No Gauge Cluster Backlight
KC-2165
Service Bulletin/Repair Instructions
Mack DEF Pump Troubleshooting Guide - US10+OBD13 And Newer Emissions
KC-2253
Service Bulletin/Repair Instructions
Barksdale Height Control Valve Troubleshooting Guide
M-852-001
Service Bulletin/Repair Instructions
2007 document reformatted to be published as a TSB in Impact. Lateral cab movement bracket.
M-265-002
Service Bulletin/Repair Instructions
TSB-Charge Air Cooler t-clamp install.
M-413-004
Service Bulletin/Repair Instructions
2009 Document reformatted to be published as a TSB in Impact. Air-Operated Clutch Assist Adjustment and Troubleshooting
M-451-002
Service Bulletin/Repair Instructions
2009 Document reformatted to be published as a TSB in Impact. Axle Carrier Pinion Angles
M-652-001
Service Bulletin/Repair Instructions
2009 Document reformatted to be published as a TSB in Impact. Axle Alignment Specifications
KC-750
Service Bulletin/Repair Instructions
US10 Emission Engines - Diagnostic Trouble Code ( DTC ) SPN 1231 FMI 9 Troubleshooting.
KC-751
Service Bulletin/Repair Instructions
Vehicles Equipped With An Automated Manual Transmission Model D or F ( AMT-D, AMT-F ) - Transmission Oil Leakage From Transmission Input Shaft Seal Or Output Shaft Seal - US10 And Newer Emissions, Common Model Years 2010 And Newer.
KC-745
Service Bulletin/Repair Instructions
Automated Manual Transmission ( AMT ) I-Shift / mDRIVE - Ribbon Harness Replacement - Speed Sensor Bolts, Possible Fault Codes P1058 - 21 Or MID 130 PID 161 FMI 1
KC-2112
Service Bulletin/Repair Instructions
Programming Failure - Chassis With Cummins Engine And An Allison Transmission
KC-2143
Service Bulletin/Repair Instructions
(Back Office) - Cruise Control Inoperative After Updating Software VECU5 Without ESP Package (UESP).
KC-405
Service Bulletin/Repair Instructions
Warranty Automated Manual Transmission ( AMT, I-Shift, mDrive ) Control Housing Assembly; Guidelines For Filing A Claim For Chassis Return Visit With Transmission Issues After A Repair Requiring Control Housing Removal And Reinstallation - US07 And N.
KC-735
Service Bulletin/Repair Instructions
Premium Tech Tool (PTT) - Message For Data Mismatch, Product Configuration Mismatch; Instruction To Run An Accessory Kit Displayed When Attempting To Run Diagnostics For Diagnostic Trouble Codes (DTC) Or Programming - US10+OBD13 And Newer Emissions,
KC-2158
Service Bulletin/Repair Instructions
Selective Catalytic Reduction (SCR) Muffler Troubleshooting Guide - US10+OBD13 And Newer Emissions.
KC-731
Service Bulletin/Repair Instructions
Mack Chassis - Equipped With An Automated Manual Transmission Model D or F (mDrive, AMT-D, AMT-F) - Transmission Oil Leakage From Transmission Input Shaft Seal Or Output Shaft Seal - US10 And Newer Emissions, Common Model Years 2010 And Newer
KC-2131
Service Bulletin/Repair Instructions
USE FOR NEW VEHICLES (US21+OBD22 Emissions) - Intermittent Diagnostic Trouble Codes U02A3, U029D, U029E
KC-2171
Service Bulletin/Repair Instructions
Temperature Sensor Troubleshooting Guide - US10+OBD13 And Newer
KC-714
Service Bulletin/Repair Instructions
Mack Chassis - Diagnostic Trouble Codes ( DTC's ) - P020113, P020213, P020313, P020413, P020513, P020613, Cylinders 1 Through 6 Injector A Open Circuit
KC-698
Service Bulletin/Repair Instructions
Mack Chassis - Diesel Exhaust Fluid ( DEF ) System Cleaning/Flush After DEF Pump Failure Or System Contamination
KC-699
Service Bulletin/Repair Instructions
Mack Chassis - Bendix Vendor Configuration Program ( VCP ) Software Download Information
KC-686
Service Bulletin/Repair Instructions
(Back Office Only) Mack Chassis - Cruise Control Inoperative After Disabling The Electronic Stability Program (ESP)
KC-663
Service Bulletin/Repair Instructions
Emcon (Spark Assist) Engine Aftertreatment System Troubleshooting Check Sheet - US07 Emissions
KC-644
Service Bulletin/Repair Instructions
Manual Compression Test Adapter For Engines With Stainless Steel Injector Sleeves (Conical Tip Injectors) - US07 And Newer Emissions, Model Year 2008 And Newer
KC-648
Service Bulletin/Repair Instructions
Mack - PTO Pump Speed Calculator
KC-653
Service Bulletin/Repair Instructions
Low Oil Pressure Diagnostic Process For 11 Liter Engines
KC-2169
Service Bulletin/Repair Instructions
Low Voltage Disconnect (LVD), Function Description
KC-2170
Service Bulletin/Repair Instructions
Electronically Controlled Suspension (ECS) Losing Air Pressure
KC-2172
Service Bulletin/Repair Instructions
No Start Condition After Over The Air Programing - VECU5 No Start "Safe State"
KC-2161
Service Bulletin/Repair Instructions
DEF Pump Cycling periodically Hours After Key Off
KC-633
Service Bulletin/Repair Instructions
Mack Chassis - Front Hub With Unit-Bearings ( Unitized Wheel Bearings ), Inspection Information And Guidelines - Commonly Model Year 2008 And Newer
KC-626
Service Bulletin/Repair Instructions
Mack Chassis - Vehicles Equipped With An Automated Manual Transmission Model F ( AMT-F, mDrive ), Premium Tech Tool ( PTT ) Gearbox Calibration Failure; Gearbox Calibration Operation Stops And Fails At 33% When Run With Transmission Removed
KC-627
Service Bulletin/Repair Instructions
Premium Tech Tool ( PTT ) Training Materials And Support Tools
KC-630
Service Bulletin/Repair Instructions
Sensor And Parameter Value Monitor - Template Parameter List For Pre-OBD (9-Pin Diagnostic Connector) Chassis In Premium Tech Tool ( PTT ); Regeneration And Road Test Sensor Monitor Parameters - US07 And US10 Emissions, Model Years 2008 To 2013
KC-257
Service Bulletin/Repair Instructions
Volvo Chassis - FSB 237 - 020, Unit Injector Yoke Hold - Down Bolt Torque Specification
KC-2157
Service Bulletin/Repair Instructions
Aftertreatment Hydrocarbon Injector (AHI) Troubleshooting Guide - US10+OBD13 And Newer Emissions
KC-552
Service Bulletin/Repair Instructions
Aftertreatment Control Module ( ACM ) Diagnostic Trouble Codes ( DTC ) U0001-88 and U0010-88 Lighting The Malfunction Indicator Lamp ( MIL ); Possible Derate Warning â US10 And Newer Chassis
KC-561
Service Bulletin/Repair Instructions
Engine Oil Analysis Specifications - US10 And Newer Emissions
KC-529
Service Bulletin/Repair Instructions
System Date And Time, Information; Diagnostic Tool ( J-Pro, Premium Tech Tool ( PTT ) ) Displays Incorrect Timestamp For Diagnostic Trouble Code ( DTC ) / Fault Code Occurrences, Possible Data Link Codes Present - US07 And Newer Emissions, Common Mod
KC-538
Service Bulletin/Repair Instructions
Regen Fails to Start/Initiate Or Starts And Immediately Stops - US10 And US10+OBD13 Emissions
KC-492
Service Bulletin/Repair Instructions
Diagnostic Trouble Code (DTC) P04DB - Crankcase Ventilation Disconnected; US10+OBD13 To US14+OBD16 Emissions
KC-495
Service Bulletin/Repair Instructions
Intake Pre-heater Electrical Schematics (Diagrams) - US10+OBD13, US14+OBD13 To US14+OBD16 Emissions
KC-402
Service Bulletin/Repair Instructions
Volvo Chassis - Diagnostic Trouble Code (DTC) SA 0 FMI 0 or SPN 0 FMI 0 Present On Fault Code Readout - US10 And Newer Emissions, Model Year 2011 And Newer
KC-404
Service Bulletin/Repair Instructions
Volvo Chassis - Diesel Exhaust Fluid ( DEF ) Contamination In Fuel System, Inspection And Repair - US10 to US14 ( Non-Common Rail Fuel System )
KC-294
Service Bulletin/Repair Instructions
Mack Chassis - Granite 7 Series (GU, GU7, M058, M746, M748) - Cracks, Breakage Or Fatigue Found Around The Hood Guide - Vehicles Built From Feb 2010 Through 20 Nov 2017
KC-286
Service Bulletin/Repair Instructions
Mack Chassis - FSB 563-008 Plugs, Pressure Protection Manifold - New Brass Plugs For Noregon Pressure Protection Manifold (PPM)
KC-253
Service Bulletin/Repair Instructions
Mack Chassis - FSB 237 - 020, Unit Injector Yoke Hold - Down Bolt Torque Specification
KC-238
Service Bulletin/Repair Instructions
Mack Chassis - Where To Find The Body Builder Portal - Body Builder Manual ( BBM ) Information - US04 And Newer Emissions, Model Year 2008 And Newer
KC-145
Service Bulletin/Repair Instructions
Automated Manual Transmission (AMT) (Spigot Bearing) Input Shaft Repair Kit And Shim Kit, Part Number Information, Reference Guide - US07 And Newer Emissions, Model Year 2008 And Newer
KC-119
Service Bulletin/Repair Instructions
Mack Chassis - Equipped With An Automated Manual Transmission (mDrive, AMT) AMT-C, AMT-D Or AMT-F - Transmission Oil Specifications - Model Years 2010 To 2020
KC-70
Service Bulletin/Repair Instructions
Mack Chassis - Model GR/GU - Hood Warpage
KC-73
Service Bulletin/Repair Instructions
Mack Chassis - Disabling The Driver ID; Removing the Driver ID Prompt - US07 To US14+OBD16 Emissions, Model Years 2008 To 2017
KC-163
Service Bulletin/Repair Instructions
Diesel Fuel Information - Acceptable Biodiesel, Fuel Blend For Summer And Winter - US07 And Newer Emissions, Model Year 2008 And Newer
KC-136
Service Bulletin/Repair Instructions
Aftertreatment Control Module (ACM) Offline/Not Visible/Missing From Control Unit Information in Premium Tech Tool (PTT) - US10+OBD13 And Newer Emissions
KC-124
Service Bulletin/Repair Instructions
Automated Manual Transmission Gearbox Will Not Shift To High Range After Gearbox Repair; MID 130 PSID 24 FMI 1, P1072-92 Unintentional Disengagement Of High Range - US07 And Newer Emissions, Model Year 2008 And Newer
KC-692
Service Bulletin/Repair Instructions
Lighting Control Module ( LCM ) Replacement - Refer To Technical Parts Information ( TPI ) 364 - 034 Control Unit
FSB 491-032
Service Bulletin/Repair Instructions
Transmission Oil Cooler Hose, Replacement
K56735181
Service Bulletin/Repair Instructions
(Back Office) Mack Chassis - Grade Gripper Reactivates After Timeout With Brake Pedal Released - Vehicles Manufactured Prior To 2018
K70570342
Service Bulletin/Repair Instructions
Mack Chassis - Equipped With An Allison Transmission: Enable 6th Speed - All Emissions, All Model Years
K63001042
Service Bulletin/Repair Instructions
Mack Chassis - SNM16 - 015 Updated Wiper Mechanism for One Piece Windshield; Windshield Wipers Leaving Streaks Or Not Clearing Center Of Windshield
K65527708
Service Bulletin/Repair Instructions
Diagnostic Trouble Codes (DTC) P20EE And P103C, Diagnostic Procedure; REPLACES GUIDED DIAGNOSTICS IN PREMIUM TECH TOOL ( PTT ) - US17+OBD16 And Newer Chassis ONLY
K86900043
Service Bulletin/Repair Instructions
Exhaust Gas Recirculation (EGR) System - Fault Codes SPN 412 FMI 0,2,5; Diagnostic Trouble Codes (DTC) P040A, P040B, P1121 - Temperature Sensor Inspection
K28501552
Service Bulletin/Repair Instructions
Mack Chassis - Models GU / CHU Steering Wander
K71313015
Service Bulletin/Repair Instructions
Hood Insulation Separating From Hood, Insulation Installation Instructions
K84061935
Service Bulletin/Repair Instructions
Mack Chassis - Diagnsotic Trouble Code P026D-00, Fuel Injection Quantity Higher Than Expected; Diagnosis And Information - US14+OBD15 Emissions, Model Year 2016
K15194127
Service Bulletin/Repair Instructions
Mack Chassis - Fault Code SID 158 FMI 0 Logging In Instrument Cluster ( MID 140, IC ), No Code Description Or Diagnostic Information
K23315031
Service Bulletin/Repair Instructions
Fuel Tank Strap Insulator Design Update; Fuel Tank Strap Appearance Changed
K93823300
Service Bulletin/Repair Instructions
Mack Chassis - Pinnacle (CHU,CXU,PI), Anthem (AN), Granite (GU,GR) With Mack Engine ONLY - Power Take Off ( PTO ) Engine Speed Control Inoperative; Engine Speed Does Not Ramp When PTO Is Activated - Model Year 2007 And Newer
K25229168
Service Bulletin/Repair Instructions
Automated Manual Transmission Gearbox Will Not Shift To High Range After Gearbox Repair; MID 130 PSID 24 FMI 1, P1072-92 Unintentional Disengagement Of High Range - US07 And Newer Emissions, Model Year 2008 And Newer
K76992557
Service Bulletin/Repair Instructions
Aftertreatment Hydrocarbon Injector (AHI, 7th Injector) Changes Between US10 And US17 (GHG17, Common Rail Fuel System) - Chassis Experiencing High soot Accumulation, Abnormal ( Too High, Overtemp, Too Low ) Regeneration Temperatures Following An Aftertreatment Hydrocarbon Injector Nozzle Replacement Procedure
K45573162
Service Bulletin/Repair Instructions
Variable Geometry Turbo (VGT) Calibration: Premium Tech Tool (PTT) Displays "Motor Disabled" Message, Operation Will Not Run, Will Not Complete When Running Operation; Poor Performance Following Calibration - US10 And Newer Emissions, Common Model Years 2014 And Newer
K72614548
Service Bulletin/Repair Instructions
Diagnostic Trouble Code ( DTC ) P02FA Illuminating The Malfunction Indicator Lamp (MIL) - US17 (GHG17, Common Rail Fuel System) Chassis ONLY
K01050303
Service Bulletin/Repair Instructions
Diagnostic Trouble Code ( DTC ) P0471 Illuminating The Malfunction Indicator Lamp (MIL) - US17 (GHG17, Common Rail Fuel System) Chassis ONLY
K04342327
Service Bulletin/Repair Instructions
Diagnostic Trouble Code ( DTC ) P0420 Illuminating The Malfunction Indicator Lamp (MIL) - US17 (GHG17, Common Rail Fuel System) Chassis ONLY
K58557784
Service Bulletin/Repair Instructions
Fuel Injector Offset Learning Diagnostic Trouble Codes ( DTC ) / Fault Codes Logged In Engine Control Module ( EMS ); Possible Rough / Uneven Idle - OBD15 Chassis
FSB284064
Service Bulletin/Repair Instructions
ECM and ACM Reprogramming, OBD2015
PI0862
Service Bulletin/Repair Instructions
SUMMARY TO BE PROVIDED ON A FUTURE DATE.
FSB-284-063
Service Bulletin/Repair Instructions
MACK TRUCK: DIAGNOSTIC TROUBLE CODES (DTC) ILLUMINATES INFORMATION DISPLAY WHEN TWO OR MORE ACTIVE DTC ARE SIMULTANEOUS AND ENGINE ECM NEED CALIBRATION TRANSFER FROM ELECTRONIC SYSTEMS DATABASE AND NETWORK (ESDN), USING INSITE, AS REQUIRED, FOR CORRECTION. MODEL 2012-15 GU. *PE
FSB-364-037
Service Bulletin/Repair Instructions
MACK: WHEN THE OUTPUT FROM THE VECU GETS SHORTED OUT TO GND, THERE IS NO WARNING AND CAUSES 5TH WHEEL TO SLIDE WITHOUT ACTIVATING 5TH WHEEL SLIDE SWITCH AND NEEDS TO BE REPROGRAM. MODEL 2010-2014 CHU, CXU, GU, TD. *PE
FSB-511-002
Service Bulletin/Repair Instructions
MACK: THE PROTRUSION OF BRAKE SHOES BEYOND BRAKE DRUM IS BEING REPLACED WITH NEW 152MM (6.0 IN) BRAKES SHOES, 178 MM (7.,0 IN) WIDE BRAKE DRUMS ON SOME TRUCKS. MODEL 2011-2014 CHU, CXU, GU, TD. *PE
FSB-511-009
Service Bulletin/Repair Instructions
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). MODEL 2011-2014 CHU, CXU, GU, TD. *PE
PI-364-845
Service Bulletin/Repair Instructions
MACK: WHEN SUSPENSION, ON SOME TRUCKS, IS LEFT DUMPED, THERE ARE NO WARNING LIGHT, BUZZER OR ROAD SPEED LIMIT, DUE TO VEHICLE ELECTRONIC CONTROL UNIT (VECU) SOFTWARE FAILS TO SUPPORT VENDOR ENGINES REGARDING THIS FUNCTION. MODEL GU, CXU. *PE
PI-0845
Service Bulletin/Repair Instructions
MACK: WHEN SUSPENSION IS LEFT DUMPED, NO WARNING LIGHT, ROAD SPEED LIMIT OR BUZZER DUE TO SOFTWARE IN VEHICLE ELECTRONIC CONTROL UNIT (VECU) IS NOT SUPPORTING VENDOR ENGINES AND NEEDS REPROGRAMMING. MODEL 2011-2013 GU, CXU. *PE
FSB-234-018
Service Bulletin/Repair Instructions
MACK TRUCK: TO INCREASED PROTECTION AGAINST FUEL INJECTOR TIP EROSION, A NEW FUEL TANK VENTILATION FILTER WAS IMPLEMENTED, AND MOUNTS ON OUTSIDE OF FRAME RAIL, USING FUEL TANK J BRACKET HUCK FASTENERS. MODEL CHU, CXU, GU, TD. *PE
FSB-234-019
Service Bulletin/Repair Instructions
MACK TRUCK: MOUNTED OUTSIDE OF FRAME RAIL, IS NEW FUEL TANK VENTILATION FILTER MOUNTING SLEEVE, USING FUEL TANK J BRACKET HUCK FASTENERS AND TO INCREASE PROTECTION AGAINST FUEL INJECTOR TIP EROSION. MODEL CHU, CXU, GU, TD. *PE
FSB-593-013
Service Bulletin/Repair Instructions
MACK TRUCK: THE GRADE GRIPPER FEATURE, ON SOME TRUCKS, ARE PRONE TO HARSH ENVIRONMENTS WITH INTERNAL CONTAMINATION, CAUSED BY BUILD UP OF GRIME, SALT, ROAD DEBRIS AND OTHER CONTAMINANTS. MODEL CHU, CXU, GU, TD. *PE
PI-0767
Service Bulletin/Repair Instructions
MACK TRUCKS: SLACK ADJUSTER CONTROL ARM. 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
FSB-284-048
Service Bulletin/Repair Instructions
MACK TRUCK: DUE TO OIL CONTAMINATION INTO ENGINE WIRE HARNESS, MAIN OIL GALLERY PRESSURE SENSOR OR PISTON COOLING JET 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
FSB-313-005
Service Bulletin/Repair Instructions
MACK TRUCKS: IMPROVEMENT WAS MADE FOR PROTECTION FOR STACKABLE BATTERIES FROM ENVIRONMENT TO PREVENT PREMATURE BATTERY CORROSION WITHIN THE BATTERY BOX. MODEL 2010-2013 GU. *PE
FSB-413-003
Service Bulletin/Repair Instructions
MACK: ON SOME TRUCKS, MORE LEG AND KNEE ROOM WAS PROVIDED FOR OPERATOR COMFORT DUE TO AIR OPERATED CLUTCH ASSIST SYSTEM 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
FSB-373-019
Service Bulletin/Repair Instructions
MACK: DUE TO SUPPLIER MANUFACTURING ISSUE WITH CONNECTOR, SOME TRUCKS MAY EXPERIENCE MULTIPLE OPEN CIRCUITS IN 31 WAY TRANSMISSION CONNECTOR AND WOULD TO BE INSPECTED AND IF NEEDED, REPAIRED AND REPLACED. MODEL 2011-2013 CHU, CXU, GU, TD. *PE
FSB-512-002
Service Bulletin/Repair Instructions
MACK: AIR DISC BRAKE EXPERIENCING THERMAL OVERLOAD CONDITION THAT OVER ADJUSTMENT OF NORMAL PAD WEAR COMPENSATION THAT 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
FSB-284-047
Service Bulletin/Repair Instructions
MACK: ON SOME TRUCKS, OIL CONTAMINATION INTO ENGINE WIRE HARNESS, MAY BE FROM OIL LEVEL SENSOR FAILURE AND AN ANTI WICKING PIGTAIL SPLICE KIT IS AVAILABLE. MODEL CHU, CXU, GU, LEU, MRU, TD. NO YEARS LISTED. *PE
FSB-831-002
Service Bulletin/Repair 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. MODEL CHU, CXU, GU, TD. NO YEARS LISTED. *PE
FSB-284-044
Service Bulletin/Repair Instructions
MACK: UNDER CERTAIN CONDITIONS, HIGHER THAN EXPECTED TURBOCHARGER WHEEL SPEED, UNEVEN ENGINE SPEED, LOW T2 TEMPERATURES, HIGH ENGINE LOAD, MAY HAVE REGENERATION SERVICE FAILURES. MODEL CXU, GU. NO YEARS LISTED. *PE
FSB-561-023
Service Bulletin/Repair Instructions
MACK: FITTINGS FOR CURRENT AIR COMPRESSOR COOLANT HOSES ARE NOT THE SAME SIZE AT EACH END AND INCOMPATIBILITY OF HOSE INSIDE DIAMETER AND COMPRESSOR FITTING SIZE CAUSED COMPRESSOR HOSES TO COME LOOSE OR BLOW OUT AIR COMPRESSOR FITTINGS. MODEL 2009-2013 GU7, GU8, MP8. *PE
FSB-371-045
Service Bulletin/Repair Instructions
MACK TRUCK: REGARDING THE BREAKING OR CRACKING, AT STARTER SOLENOID STUD, OF 90 DEGREE POSITIVE BATTERY CABLE LUG; THE 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
FSB-221-010
Service Bulletin/Repair Instructions
MACK TRUCKS: LOW OIL PRESSURE. STORED DTC SPN 100 FMI 1, DURING LONG HARD PULL CONDITIONS. *JS
FSB-364-036
Service Bulletin/Repair Instructions
MACK TRUCK: FLASHERS ARE TO BE REMOVED DUE TO DURABILITY ISSUES. *JS
FSB-413-001
Service Bulletin/Repair Instructions
MACK TRUCKS: THE AIR ASSISTED CLUTCH CABLE ON SOME VEHICLES MAY FRAY AT THE CLEVIS. *JS
FSB-873-015
Service Bulletin/Repair Instructions
MACK TRUCKS:DUE TO EXCESSIVE MOISTURE IN THE CLIMATE UNIT, SOME VEHICLES MAY DEVELOP A BLOWER MOTOR FAILURE. *JS
FSB-364-035
Service Bulletin/Repair Instructions
MACK TRUCKS: NEW SWITCH MOUNTING BRACKET WAS DEVELOPED TO REPLACE EXISTING TURN SIGNAL SWITCH MOUNTING BRACKET, DUE TO CONTACT BETWEEN SWITCH FINGERS AND SLEEPING SHAFT, THAT CAUSED SWITCH OPERATION TO IMPROPERLY CANCELS ITSELF. MODEL CHU, CXU, GU, TD. *PE
FSB-284-038
Service Bulletin/Repair Instructions
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 COOLING SYSTEM IS PERFORMING NORMALLY, RESULTING IN UNNECESSARY REPLACEMENT OF COOLANT THERMOSTAT. MODELS CHU, CXU, GU, TD, MP7, MP10. *PE
PI-0812
Service Bulletin/Repair Instructions
MACK TRUCKS: REAR SUSPENSION ADJUSTMENT WASHERS. REPLACEMENT OF THE SUSPENSION ADJUSTMENT WASHERS IS REQUIRED. *JS
PI-0815
Service Bulletin/Repair Instructions
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
Service Bulletin/Repair Instructions
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
PI-0799
Service Bulletin/Repair Instructions
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. NO MODEL YEARS LISTED. *PE
PI-0798
Service Bulletin/Repair Instructions
MACK TRUCKS: INFORMATION ON REPLACEMENT PROCEDURES FOR THE SLACK ADJUSTER CONTROL ARM AND SUSPENSION SHOCK ABSORBER INTERFERENCE ON REAR/REAR DRIVE AXLE. MODEL GU. NO MODEL YEARS LISTED. *PE
FSB-255-024-03
Service Bulletin/Repair Instructions
MACK: AN UNRELIABLE SIGNAL TO ENGINE VGT ACTUATOR FROM ENGINE VARIABLE GEOMETRY TURBOCHARGER (VGT) ACTUATOR HARNESS THAT HAS SEVERE FRETTING DAMAGE, THE CONNECTOR PIN AND SOCKET CONTACTS SHOULD BE REPLACED. *PE UPDATED 9/17/12. *PE
FSB-371-043-1
Service Bulletin/Repair Instructions
MACK TRUCK: DUE TO VEHICLE ELECTRONIC CONTROL UNIT (VECU) OUTPUT WIRE PT02, THE CIRCUIT CB7A IS IN WRONG CAVITY LOCATION, CAUSING PT02 (POWER TAKE OFF) FUNCTION NOT WORKING CORRECTLY. *PE
PI-0795
Service Bulletin/Repair Instructions
MACK TRUCK: AFTERTREATMENT DIESEL PARTICULATE FILTER (DPF) INLET PIPE MAY POSSIBLY EXHIBIT AN EXHAUST LEAK. TO IMPROVE SEALING FUNCTION OF DPF INLET PIPE, THE DPF INLET PIPE FLANGE WAS MODIFIED. MODEL GU. MODEL YEARS 2011-12. *PE
PI-0796
Service Bulletin/Repair Instructions
MACK TRUCK: INFORMATION PROVIDED REGARDING MODIFICATION OF EGR VALVE ON ENGINES AND REMOVAL OF POPPET SHAFT END CAP O RINGS. MODELS CHU, CXU, GU, LEU, MRU. NO MODEL YEARS LISTED. *PE
PI-0801
Service Bulletin/Repair Instructions
MARCK TRUCK: INFORMATION REGARDING TWO UPPER HUCK BOLTS FOR FUEL TANK J BRACKET AND AFTERTREATMENT CONTROL MODULE (ACM). TO PROVIDE NECESSARY CLEARANCE, IF INTERFERENCE EXISTS, CUT OFF END OF HUCK BOLTS AND REMOVE ACM. MODELS GU. NO MODEL YEARS LISTED. *PE
FSB-258-033
Service Bulletin/Repair Instructions
MACK TRUCKS: ENGINE TUBOCHARGER COMPRESSOR BYPASS VALVE, AIRLINE ROUTING. 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
FSB-293-007
Service Bulletin/Repair Instructions
MACK TRUCKS: EGR DIFFERENTIAL PRESSURE SENSOR PIN FRETTING. 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
FSB-372-011
Service Bulletin/Repair Instructions
MACK TRUCKS: FOUR WAY FLASHER ABS FAULT. 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
PI-0781
Service Bulletin/Repair Instructions
MACK: DUE TO FRETTING OF CONNECTOR PINS IN ENGINE VGT ACTUATOR CONNECTOR, A NEW MOUNTING ARRANGEMENT HAS BEEN DEVELOPED AND RELOCATION OF ENGINE VGT ACTUATOR CONNECTOR. MODELS CHU, CXU, GU, MRU, MP8. *PE UPDATED 7/31/12. *PE
PI-0784
Service Bulletin/Repair Instructions
MACK: RELOCATING VGT ACTUATOR CONNECTOR AND MOUNTING ARRANGEMENT TO ELIMINATE DIAGNOSTIC TROUBLE CODES (DTCS) AND SIGNAL MISSING FROM ENGINE VARIABLE GEOMETRY TURBOCHARGER ACTUATOR (ENGINE VGT ACTUATOR) CAUSING FRETTING OF CONNECTOR PINS. *PE
PI-0787
Service Bulletin/Repair Instructions
MACK: CERTAIN TRUCKS HAD O RING INSTALLED INCORRECTLY ON TRANSMISSION COOLER LINE FITTINGS DURING ASSEMBLY, THEREBY CAUSING FLUID FROM TRANSMISSION TO BE LOSS AND/OR DAMAGE TO TRANSMISSION, PREMATURELY. *PE UPDATED 7/31/12. *PE
PI-0789
Service Bulletin/Repair Instructions
MACK TRUCK: INFORMATION REGARDING THE SLEEPER CAB SUSPENSION LEVELING VALVE BRACKET THAT WAS INSTALLED INCORRECTLY. ALSO, THE SUPPORT BRACKET FOR AIR SPRING, INCORRECTLY MOUNTED ON FRAME, CAUSING CAB SHOCK TO EXTEND FULLY WHEN AIR SPRING IS INFLATED. *PE
FSB-234-014-1
Service Bulletin/Repair Instructions
MACK: ON THE RIGHT SIDE OF TRUCK, IS THE MOUNTED STANCHION EXHAUST BRACKET AND FUEL VENT LINES, WHICH THE FUEL TANK VENTILATION FILTER IS ADDED. MODELS CHU, CXU, GU, TD, MP7, MP8, MP10, US07, US10. MODEL YEARS 2008-2012. *PE
PI-0780
Service Bulletin/Repair Instructions
MACK: DURING EXTREME DOWNWARD ARTICULATION OF REAR AXLE, THE AIR SPRING MAY SEPARATE AT MOUNTING BELL. *PE
FSB-212-002
Service Bulletin/Repair Instructions
MACK TRUCKS: OIL SEEPAGE AT FLYWHEEL HOUSING. THIS PROBLEM HAS ALREADY BEEN SOLVED IN PRODUCTION, BUT THE PRODUCTION SOLUTION IS NOT COMPATIBLE WITH PREVIOUS GENERATION FLYWHEEL HOUSINGS. *JS
FSB-255-023
Service Bulletin/Repair Instructions
MACK TRUCKS: SEVERE FRETTING DAMAGE OF THE ENGINE VARIABLE GEOMETRY TURBOCHARGER ACTUATOR (ENGINE VGT ACTUATOR) HARNESS 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
FSB-258-032
Service Bulletin/Repair Instructions
MACK: THE AFTERTREATMENT DIESEL EXHAUST FLUID (DEF) TANK FILLER NECK IS BEING REPLACED WITH AN IMPROVED FILLER NECK . *PE UPDATED 5/11/12. *PE
FSB-652-004-1
Service Bulletin/Repair Instructions
MACK: TORQUE ROD REPLACEMENT ON FRONT REAR AXLE. *JS UPDATED 5/9/12. *PE
FSB-258-031
Service Bulletin/Repair Instructions
MACK: ON CERTAIN MACK VEHICLES BUILT BEFORE 2/13/2012, THE FRONT CHASSIS TO UREA TANK CONNECTION, LOCATED ON THE SIDE OF THE DEF TANK MAY RUB MOUNTING BRACKET OR NOT STAY SECURED. *JS
FSB-258-030
Service Bulletin/Repair Instructions
MACK TRUCK: BETWEEN AFTERTREATMENT HYDROCARBON DOSING MODULE INITIAL DESIGN AND BOSS ON MP8 ENGINE, AN INTERFERENCE WAS DISCOVERED. IT PREVENTS BRACKET AND AFTERTREATMENT HYDROCARBON DOSING MODULE FROM MOUNTING FLUSH TO SURFACE OF ENGINE BLOCK. *PE
FSB-261-032
Service Bulletin/Repair Instructions
MACK TRUCK: EXPANSION TANKS MAY HAVE PERSISTENT COOLANT LEAKS THAT REQUIRES INSPECTION. EXAMINE EXPANSION TANK FOR BURN HOLE/MARK UNDER PRESSURE CAP THAT ENABLES HOT COOLANT TO ENTER EXPANSION AREA. MODELS CHU, CXU, GU AND TD. *PE
PI-0746
Service Bulletin/Repair Instructions
MACK TRUCKS: ON CERTAIN TRUCKS (CHU, CXU GU TD), ALL AFTERTREATMENT DIESEL EXHAUST FLUID (DEF) COOLANT HOSES ARE TO BE REPLACED. *PE
FSB-465-002
Service Bulletin/Repair Instructions
MACK: THERE ARE NEW BULL GEAR MOUNTING FASTENER TORQUE PROCEDURES. *RM UPDATED 2/21/12. *PE
FSB-491-029
Service Bulletin/Repair Instructions
MACK TRUCKS: THERE ARE CRACKS IN A STEEL OIL TUBE THAT CAN LEAD TO LEAKING. *RM UPDATED 2/21/12. *PE
PI-0752
Service Bulletin/Repair Instructions
MACK TRUCK: ON CERTAIN TRUCKS, THERE IS A LOSS OF SPEED (LOW) ASSIST. THE PUMP FLOW AND PRESSURE MUST BE TESTED BEFORE REPLACING TANDEM PUMP ASSEMBLY. *PE
PI-0759
Service Bulletin/Repair Instructions
MACK TRUCK: ON CERTAIN TRUCK CHASSIS, THERE MAY BE POSSIBLE DAMAGE TO COMPONENTS CAUSE BY LOOSENING OF THE JOINT AND NOISE DURING OPERATION, ON THE BULL GEAR MOUNTING BOLTS. *PE
SP-365-001
Service Bulletin/Repair Instructions
MACK: CLUTCH OPERATION ERROR PREVENTS STARTER ENGAGEMENT UNLESS PEDAL IS FULLY DEPRESSED. *RM
SB-263-046
Service Bulletin/Repair Instructions
MACK: FAN RINGS ARE CRACKING DURING EXTREME SERVICE. *RM UPDATED 9/7/11. *PE
SP-284-030
Service Bulletin/Repair Instructions
MACK TRUCKS: THERE ARE ENGINE ECM SOFTWARE UPDATES. *RM
SP-372-010
Service Bulletin/Repair Instructions
MACK TRUCKS: THE FUSE IDENTIFICATION DECAL IS BEING CORRECTED. *RM
FSB-370-001
Service Bulletin/Repair Instructions
MACK TRUCKS: THE DIAGNOSTIC CONNECTOR MAY BECOME LOOSE. INFORMATION ON REPLACEMENT OF THE DIAGNOSTIC RETAINER CLIP. *RM
FB-284-027
Service Bulletin/Repair Instructions
MACK: THERE ARE ENGINE DIAGNOSTIC TROUBLE CODES AND THERE MAY NEED TO BE A SOFTWARE UPDATE. *RM
SB-214-024
Service Bulletin/Repair Instructions
MACK TRUCKS: IF THERE IS A FAILED OUTER VALVE SPRING THERE IS A REPLACEMENT PROCEDURE. *RM
SB-373-010
Service Bulletin/Repair Instructions
MACK TRUCKS: THE CLUTCH PEDAL CAN RUB AGAINS THE ANTI-LOCK BRAKE HARNESS CAUSING THE MALFUNCTION LIGHT TO GO ON. *RM
Reading this report
Complaint counts are reports filed with NHTSA, not failure rates. A common model collects more of them than a rare one that breaks more often.