2014 Mack Chu technical service bulletins
265 technical service bulletins and manufacturer communications cover the 2014 Mack Chu.
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
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- Inactive Code P25AE00 Being Generated After A Hard Pull And A Momentary Drop In Engine Oil Pressure (Low...
- Mack Chassis
- If oil dilution is suspected refer to the applicable CBR solution below: ∙ CBR-659Mack Chassis
- Vehicles may present with oil leak coming from the clutch/flywheel housing and observation of burned...
- CBR: To correct the MID136 SID 66 FMI 7 fault code the latest Bendix VCP fi le will need to be downloaded.
- CBR: Mack chassis with an mDRIVE transmission, there have been reports of complete shift assemblies and...
- Cbr: 11L, 13L
- CBR: Telematics Gateway (TGW) Connect Ability Issues
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- CBR: Equipped With An Automated Manual Transmission Model D or F ( AMT-D, AMT-F, mDrive) Missing X1 Value...
- CBR -Telematics Gateway (TGW) Connect Ability Issues
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- Cbr: tgw
- Mack Trucks now offer an improved HD Inter-Axle Through Shaft for the CRD 125, 150, 180, and 200 family...
- CBR: Telematics Gateway ( TGW, MID 142 ) Losing Communication With The Instrument Cluster ( IC )
- Aftertreatment Diesel Exhaust Fluid (DEF) Tank, Level Sensor, Replacement
- Air Restriction Indicator
- Barksdale Leveling Valve, Leak Test
- CBR: Mack DEF Dosing Valve Diagnostic Trouble Codes (DTC) P202D00, P208E00, P103B00
- Service Literature Published and Released in May, 2023
- CBR: Automated Manual Transmission ( AMT ) -Transmission Electronic Control Unit ( TECU ) MID130 PSID 29...
- CBR: Automated Manual Transmission (AMT) Transmission Kickdown Mode
- CBR: Diagnostic Trouble Code (DTC) P215A-64, Fault Code SPN 84 FMI 19
- New Vehicle Safety Certification Requirements for Vehicles, U.S. and Canada
- Stock Vehicle Storage and Maintenance
- Vibration Diagnostics
- Mack MMD Alternator Pulley
- Flywheel Housing Thread Repair
- TSB-Charge Air Cooler t-clamp install.
- 2008 Document reformatted to be published as a TSB in Impact
- 2008 Document reformatted to be published as a TSB in Impact
- 2008 Document reformatted to be published as a TSB in Impact
- 2008 Document reformated to be published as a TSB in Impact
- 2008 Document reformatted to be published as a TSB in Impact
- 2008 Document reformatted to be published as a TSB in Impact
- 2008 Document reformatted to be published as a TSB in Impact
- 2008 Document reformatted to be published as a TSB in Impact
- 2008 Document reformatted to be published as a TSB in Impact
- 2009 Document reformatted to be published as a TSB in Impact
- 2008 Document reformatted to be published as a TSB in Impact
- 2008 Document reformated to be published as a TSB in Impact
- 2007 Document reformatted to be published as a TSB in Impact
- 2009 Document reformatted to be published as a TSB in Impact
- Vehicles Equipped With An Automated Manual Transmission Model D or F ( AMT-D, AMT-F )
- US10 Emission Engines
- Automated Manual Transmission ( AMT ) I-Shift / mDRIVE
- Warranty Automated Manual Transmission ( AMT, I-Shift, mDrive ) Control Housing Assembly; Guidelines For...
- (Back Office)
- Programming Failure
- Premium Tech Tool (PTT)
- DEF Pump Troubleshooting Guide
- Selective Catalytic Reduction (SCR) Muffler Troubleshooting Guide
- NOx Sensor Troubleshooting Guide
- Mack Chassis
- NOx Sensor Troubleshooting Guide
- Use for new vehicles (US21+OBD22
- Selective Catalytic Reduction (SCR) Muffler Troubleshooting Guide
- DEF Pump Troubleshooting Guide
- Temperature Sensor Troubleshooting Guide
- Mack Chassis
- Mack Chassis
- Mack Chassis
- (Back Office Only) Mack Chassis
- Emcon (Spark Assist) Engine Aftertreatment System Troubleshooting Check Sheet
- Mack Low Oil Pressure Diagnostic Process For 11 Liter Engines
- Mack
- Mack Chassis
- Manual Compression Test Adapter For Engines With Stainless Steel Injector Sleeves (Conical Tip Injectors)
- Low Voltage Disconnect (LVD), Function Description
- Electronically Controlled Suspension (ECS) Losing Air Pressure
- No Start Condition After Over The Air Programing
- Mack Chassis
- DEF Pump Cycling periodically Hours After Key Off
- Mack SNM14-038 When And How To Contact Tech Support ( eService & Phone )
- Mack Chassis
- Premium Tech Tool ( PTT ) Training Materials And Support Tools
- Mack Chassis
- Mack Delphi Radio Theftlock Code Generator
- Mack SNM14-015 " Revised " Alternative Towing Procedures For m-DRIVE Equipped Chassis
- V-mac - ABS
- Volvo Chassis
- Volvo Chassis
- Aftertreatment Control Module ( ACM ) Diagnostic Trouble Codes ( DTC ) U0001-88 and U0010-88 Lighting The...
- Engine Oil Analysis Specifications
- Diagnostic Trouble Code (DTC) P04DB
- Intake Pre-heater Electrical Schematics (Diagrams)
- Aftertreatment Hydrocarbon Injector (AHI) Troubleshooting Guide
- Variable Geometry Turbocharger ( VGT ) Function Test ( 2551-08-03-02 ), OBD13 Model Year ( MY ) 2014 And Newer
- Diagnostic Trouble Codes ( DTC ) P20EE, P207F And P103C, Diagnostic Procedure
- Diagnostic Trouble Code ( DTC ) P26E8 Intermittently Lighting The Malfunction Indicator Lamp ( MIL );...
- Volvo Chassis
- Volvo Chassis
- Mack Chassis
- Mack Chassis
- Mack Chassis
- Exhaust Gas Temperature Sensor Circuit Range/Performance
- Automated Manual Transmission (AMT) (Spigot Bearing) Input Shaft Repair Kit And Shim Kit, Part Number...
- Mack Chassis
- Mack Chassis
- Premium Tech Tool (PTT) Error Code 43: Service Regeneration Fails To Start; Service Regen Does Not...
- Diesel Fuel Information
- Aftertreatment Control Module (ACM) Offline/Not Visible/Missing From Control Unit Information in Premium...
- Automated Manual Transmission Gearbox Will Not Shift To High Range After Gearbox Repair; MID 130 PSID 24...
- Automated Manual Transmission ( AMT ) ( I-Shift, mDRIVE ) Equipped Chassis, OBD13 And Newer
- Lighting Control Module ( LCM ) Replacement
- Diagnostic Trouble Codes (DTC) For The Engine Pre-Heat Relay: Supplementary Instructions
- Transmission Oil Cooler Hose, Replacement
- Diagnostic Trouble Codes (DTC) For The Engine Pre-Heat Relay: Supplementary Instructions
- (Back Office) Mack Chassis
- Electronic Control Unit (ECU) Replacement (EMS, VECU, TECU, LCM)
- Assembled Camshaft
- Diagnostic Trouble Code (DTC) P04DB
- Mack Chassis
- Mack Chassis
- Automated Manual Transmission (AMT) Faults
- Tech Tip TT
- Mack Chassis
- Mack Chassis
- Mack Chassis
- Diagnostic Trouble Code ( DTC ) P02FA Illuminating The Malfunction Indicator Lamp (MIL)
- Diagnostic Trouble Code ( DTC ) P0420 Illuminating The Malfunction Indicator Lamp (MIL)
- Diagnostic Trouble Code ( DTC ) P0471 Illuminating The Malfunction Indicator Lamp (MIL)
- Particulate Matter ( PM ) Sensor Diagnostic Trouble Codes ( DTC ) Illuminating The Malfunction Indicator...
- Diagnostic Trouble Code ( DTC ) P009E
- Fuel Injector Offset Learning Diagnostic Trouble Codes ( DTC ) / Fault Codes Logged In Engine Control...
- Diagnostic Trouble Code ( DTC ) P009E
- ECM and ACM Reprogramming, OBD2015
- Mack Chassis
- Automated Manual Transmission ( AMT
- Mack Chassis
- Service Only Regen Requested With No Warning
- Engine Diagnostic Trouble Codes ( DTC's ) P24A0 And P249F Lighting The Malfunction Indicator Lamp ( MIL )
- Mack Chassis
- Mack Chassis
- Diagnostic Trouble Code ( DTC ) P0422 Lighting The Malfunction Indicator Light ( MIL )
- Diagnostic Trouble Code ( DTC ) P249C Intermittently Lighting The Malfunction Indicator Lamp ( MIL )
- Expired
- This procedure is to repair mDrive transmissions in the field that exhibit a grinding noise when the...
- Unit Injector Yoke Hold-Down Bolt Torque Specification
- On some MACK CHU, CXU, GU, TD, LEU, LR, and MRU trucks built from 01/14/2013 and 01/20/2017, the V-Stay...
- Some Mack trucks equipped with mDrive transmissions built between September 6, 2010 and August 14, 2017...
- MACK CHU, CXU, GR, GU, and PI trucks built from 2009 to 2017 and equipped with MP7, MP8, and MP10 engines...
- Engine
- MACK CHU, CXU, GR, GU, and PI trucks built from 2009 to 2017 and equipped with MP7, MP8, and MP10 engines...
- Some MACK CXU612/CHU612 trucks built from October 4, 2010 to February 6, 2017 with single rear axle...
- In some instances the exhaust rocker piston cap screw may become loose and back out causing loss of engine...
- Brake s-cam, replacement, some mack chu, and cxu trucks built after 05/13/2013, equipped with bendix brake...
- Certain vehicles built from january 1, 2010 to june 14, 2013 with a MP7 engine may experience cracking or...
- On some mack chu, cxu, gu, and td truck models built between 04/31/2008 and 05/12/2014, the solenoid valve...
- Interaxle yoke retaining nut recall.
- HVAC flange, installation, chu, cxu, gu, td.
- Mack trucks inc
- Front radar, failure
- Certain MACK CHU, CXU, and GU trucks built between 11/11/2013 and 01/14/2015, equipped with front radar...
- Grade gripper solenoid, replacement
- On some MACK CHU, CXU, GU, and TD truck models built between 04/31/2008 and 11/30/2015, the solenoid valve...
- V-stay rod cover, replacement
- Twin y suspension, trailing blade, replacement
- Twin y suspension, trailing blade, replacement
- On certain mack chu, cxu, gu, and td trucks built between 07/06/2009 through 09/26/2014, equipped with...
- Clutch Pedal Micro Switch Replacement
- Clutch Pedal Micro Switch Replacement.
- Twin Y Suspension, Trailing Blade, Replacement
- Twin Y Suspension, Trailing Blade, Replacement
- Front Radar, Failure
- Summary to be provided on a future date.
- Regeneration temperatures
- Oil pan sealing ring, replacement
- Mack truck: should reprogrammed engine ECU and aftertreatment control module (ACM) due to premium tech...
- Grade gripper solenoid, replacement
- Range synchronizer, repair
- Brake electronic control unit (ECU), reprogramming (mid 136) certain mack chu, cxu, and gu trucks equipped...
- Mack trucks 2015 model years: bulletin information regarding new engine harness changes MP7, MP8,US2014...
- OBD2013 software updates
- EGR mass flow rate low
- Grade gripper quick release valve, replacement. on some mack chu, cxu, and gu trucks built between...
- Anti-lock brake system (ABS) sensor connector, replacement
- Mack trucks: service bulletin : defect with the ABS sensor connector, which may cause corrosion
- Mack trucks: 2008-2015: slow release of trailer brakes, equipped with grade gripper, causes various...
- Mack trucks: new strategies have been recommended to improve injector repairs
- Mack trucks: 2013-2014 signs of corrosion are showing from the anti-lock brake system sensor connector...
- Mack trucks: grade gripper replacement for truck models; mack, chu, cxu and gu for the following years...
- OBD2013 software updates
- Vehicle speed sensor
- Mack : "fifth wheel slide fault" message displaying when vehicle cuts off
- Mack trucks: 2012-2014: sensor defect which causes vehicle speed sensor to fail internally
- Mack trucks: repair peep window molding that is causing seperation from hinges and causing falling from...
- Mack trucks: replacement of exhaust brake rocker arms are required on vehicles built between 09/03/2014...
- Cab harness insulation, installation
- Vehicle electronic control unit (VECU), reprogramming, 5TH wheel slide.
- Grade gripper solenoid, replacement
- Mack trucks: models 2010-2014: there will be no warning light when vecu get shorted to gnd
- Mack trucks: 2007-2014: insulation kit is recommended to protect chafing of the cab wiring harness in the...
- Mack trucks: the current hardware for m- drive transmission are also used in the US2010 emissions and...
- Mack trucks: 2013-2014 fuel management gauge, replacement is required for the following models due to fuel...
- Vehicle electronic control unit (VECU), reprogramming fifth wheel slide
- Mack: when the output from the vecu gets shorted out to gnd, there is no warning and causes 5TH wheel to...
- Brake Drum, Replacement (Steer Axle) Some MACK CHU, CXU, GU, and TD trucks built between 08/29/2011 and...
- Brake drum, replacement (steer axle) some mack cxu, chu, gu, and td trucks built between 08/29/2011 and...
- Battery protection system (LVD) relay on certain mack trucks built from 01/01/2010 to 06/13/2014 with the...
- Mack: when threshold of high voltage has been met, the lifeguard battery protection system (LVD) relay may...
- Mack: brake shoes protrudes beyond brake drum and CAN be resolved by installing brake shoes 152MM (6.0 in)...
- Mack: the protrusion of brake shoes beyond brake drum is being replaced with new 152MM (6.0 in) brakes...
- Crd 150/151 carrier inspection cover, replacement, a manufacturing defect has been identified affecting...
- Mack truck: mounted outside of frame rail, is new fuel tank ventilation filter mounting sleeve, using fuel...
- Mack truck: to increased protection against fuel injector tip erosion, a new fuel tank ventilation filter...
- The front axle u-bolt wedges were installed incorrectly on some mack chu trucks built between 11/11/2013...
- Mack truck: the grade gripper feature, on some trucks, are prone to harsh environments with internal...
- Mack truck: due to an incorrect installation of front axle u bolt wedge, caused the u-bolts to bend would...
- Mack truck: some trucks had front axle u-bolt wedges incorrectly installed and it causes u-bolts to bend...
- Interference between the brake lining and the spring cap was discovered on some mack chu, cxu, gu, td,...
- Power wires, rerouting, certain mack chu, cxu, gu, and td truck models built between 01/01/07 and...
- Frame rail ground stud, on certain mack trucks built from 01/01/2010 to 10/7/2013 the main ground stud,...
- There are twenty-eight (28) 2014 model year vehicles that were produced with a preproduction engine...
- Some mack vehicles with mp engines built between january 2004 and january 2013 may experience a main oil...
- Mack truck: some trucks have preproduction engine emission certification label that needs to be removed...
- ECM and acm software updates, software updates with enhancements are available for the engine control...
- ECM and acm software updates, software updates with enhancements are available for the engine control...
- Mack: there is an automatic electric over speed protection shutdown that monitors diesel engine RPM and...
- On some mack models built between january 1, 2013 and september 13, 2013, may experience multiple counts...
- Mack: on some trucks, more leg and knee room was provided for operator comfort due to air operated clutch...
- On some mack models built with an allison transmission, between may 16, 2011 and august 9, 2013, may...
- Mack: air disc brake experiencing thermal overload condition that over adjustment of normal pad wear...
- Some mack vehicles built between 2004 and october 2013 experience an oil level sensor failure that leads...
- Some units without hand control valves have been built with a double check valve installed to the tpv
- Software updates with enhancements are available for the engine control module (ECM) and aftertreatment...
- Software updates with enhancements are available for the engine control module (ECM) and aftertreatment...
- Mack: the door stop bracket will fail, on some trucks, due to an over extension of door, but a new door...
- The aftertreatment selective catalytic reduction (SCR) outlet pipe band clamps and heat shield fastener on...
- Mack: information procedure regarding the inspection and replacement of top plate and spring seat, due to...
- Mack truck: flashers are to be removed due to durability issues
- Mack trucks:due to excessive moisture in the climate unit, some vehicles may develop a blower motor failure
- Mack trucks: the air assisted clutch cable on some vehicles may fray at the clevis
- Mack: information provided on certain trucks in regards to b pillar cracks forming at upper exhaust...
- Mack trucks: new switch mounting bracket was developed to replace existing turn signal switch mounting...
- Trip reset error, vehicle electronic control unit (VECU), reprogramming
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