2012 Mack Leu technical service bulletins
198 technical service bulletins and manufacturer communications cover the 2012 Mack Leu.
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...
- If oil dilution is suspected refer to the applicable CBR solution below: ∙ CBR-659Mack Chassis
- CBR: To correct the MID136 SID 66 FMI 7 fault code the latest Bendix VCP fi le will need to be downloaded.
- Cbr: 11L, 13L
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- CBR: Vehicles built with an 11 liter engine may experience a complaint of excessive fuel in the oil
- CBR -Telematics Gateway (TGW) Connect Ability Issues
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- Mack Trucks now offer an improved HD Inter-Axle Through Shaft for the CRD 125, 150, 180, and 200 family...
- Cbr: fsb 381-049
- Barksdale Leveling Valve, Leak Test
- CBR: Programming Failure
- Service Literature Published and Released in May, 2023
- CBR: eWarranty To UCHP Labor Code ( SCC Code ) Crossover, Conversion Information For Use With Campaigns (...
- CBR: Diagnostic Trouble Code (DTC) P215A-64, Fault Code SPN 84 FMI 19
- CBR: Mack NOx Sensor Troubleshooting Guide
- 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
- Mack DEF Pump Troubleshooting Guide
- 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 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
- 2009 Document reformated 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
- Mack Chassis Model LEU613 " Cab Right Hand Drive Only " And " Allison Transmission Only " Low Air Alarm &...
- (Back Office Only) Mack Chassis
- Emcon (Spark Assist) Engine Aftertreatment System Troubleshooting Check Sheet
- Mack
- Manual Compression Test Adapter For Engines With Stainless Steel Injector Sleeves (Conical Tip Injectors)
- Low Oil Pressure Diagnostic Process For 11 Liter Engines
- 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 Chassis
- Premium Tech Tool ( PTT ) Training Materials And Support Tools
- Sensor And Parameter Value Monitor
- Radio, Replacement (revised from FSB 392-004)
- Mack Chassis
- Aftertreatment Hydrocarbon Injector (AHI) Troubleshooting Guide
- Aftertreatment Control Module ( ACM ) Diagnostic Trouble Codes ( DTC ) U0001-88 and U0010-88 Lighting The...
- Engine Oil Analysis Specifications
- System Date And Time, Information; Diagnostic Tool ( J-Pro, Premium Tech Tool ( PTT ) ) Displays Incorrect...
- Regen Fails to Start/Initiate Or Starts And Immediately Stops
- Diagnostic Trouble Code (DTC) P04DB
- Intake Pre-heater Electrical Schematics (Diagrams)
- Mack Chassis
- Volvo Chassis
- Volvo Chassis
- Mack Chassis
- Mack Chassis
- Mack Chassis
- Automated Manual Transmission (AMT) (Spigot Bearing) Input Shaft Repair Kit And Shim Kit, Part Number...
- Mack Chassis
- Mack Chassis
- 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...
- Lighting Control Module ( LCM ) Replacement
- Transmission Oil Cooler Hose, Replacement
- Mack Chassis " Air Restriction Light On " In The Cluster.
- Air Pressure Switch, Replacement
- Mack Chassis
- Electronic Control Unit (ECU) Replacement (EMS, VECU, TECU, LCM)
- Assembled Camshaft
- Mack Chassis
- Mack Chassis
- Mack Chassis
- Mack Chassis
- US07 / US10 D13
- Mack Chassis
- Exhaust Gas Recirculation (EGR) System
- Diagnostic / Troubleshooting Procedures For EGR System Components; Diagnostic Trouble Codes (DTC)...
- Mack Chassis
- Expired
- Bendix ACom®
- Mack Chassis
- Diagnostic Trouble Codes (DTC) P0194-00
- Tech Tip TT
- Mack Chassis
- Mack Chassis
- Tech Tip TT
- Mack Chassis
- Diagnostic Trouble Code ( DTC ) P0422 Lighting The Malfunction Indicator Light (MIL )
- 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
- Diagnostic Trouble Codes ( DTC ) P208E And P103B Logging With Possible Derate ( SCR Inducement )
- 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
- Mack Chassis
- Mack Chassis
- Mack Chassis
- Diagnostic Trouble Code ( DTC ) P0422 Lighting The Malfunction Indicator Light ( MIL )
- Mack Chassis
- Expired
- Diagnostic Trouble Codes ( DTC ) P208E And P103B Logging With Possible Derate (SCR Inducement )
- Issues with the Charge Air System may result in the presence of oil in the Charge Air Cooler ( CAC ) or...
- During extended periods of idling, engine speed may increase for a short time without any external command...
- Effective September 2016, a revised composite bevel gear compartment cover with steel threaded fill plug...
- Interaxle yoke retaining nut recall.
- Diagnostic trouble codes (DTCS), low oil pressure, cxu, gu, leu, mru.
- Diagnostic Trouble Codes (DTCs), Low Oil Pressure, CXU, GU, LEU, MRU
- Mack trucks inc
- V-Stay Rod Cover, Replacement
- Summary to be provided on a future date.
- Diagnostic trouble codes (DTCS), low oil pressure
- Coolant level sensor, replacement
- Heater blower motor relay, replacement
- EGR mass flow rate low
- Interference between the brake lining and the spring cap was discovered on some mack chu, cxu, gu, td,...
- Some mack vehicles with mp engines built between january 2004 and january 2013 may experience a main oil...
- Mack truck: due to oil contamination into engine wire harness, main oil gallery pressure sensor or piston...
- Mack truck: the inability of unit building air pressure is due to brass collar crimped onto stainless...
- On some mack models built with an allison transmission, between may 16, 2011 and august 9, 2013, may...
- Mack truck: some trucks may experience, on 31 way transmission connector, multiple open circuits, due to a...
- 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...
- Mack: on some trucks, oil contamination into engine wire harness, may be from oil level sensor failure and...
- During long hard pull conditions, diagnostic trouble codes (DTC) spn 100 fmi 1 or P052400 CAN log on...
- Diagnostic trouble code (DTC) spn 4094 fmi 18 and spn 5246 fmi 0 CAN log in certain chassis applications...
- Mack: on certain trucks, there is a software update for the engine control module (ECM)
- Mack trucks: low oil pressure
- On some mack isl-g models built, between january 1, 2009 and january 21, 2013, may experience a fault...
- Mack trucks: hose, engine oil fill tube
- Some mru and leu trucks built between 06/28/2010 and 02/11/2013 with the cummins islg engine may...
- Mack trucks: on some trucks, where attachment to compressor, truck may experience a failure of brake...
- Battery cable mounting clamps, may experience the battery cable clamps breaking or cracking.
- Mack truck: torque issue and material may be causing battery cable clamps to crack or break
- Mack: an unreliable signal to engine vgt actuator from engine variable geometry turbocharger (VGT)...
- Mack truck: information provided regarding modification of EGR valve on engines and removal of poppet...
- Mack trucks: radiator tie rod bracket
- Mack truck: information regarding the expansion tank coolant pipe static making contact with starter...
- Mack: where the transmission and/or engine supports are attached, under severe operating conditions,...
- Mack: software update for engine control module (ECM).
- Mack trucks: severe fretting damage of the engine variable geometry turbocharger actuator (engine vgt...
- Mack: the aftertreatment diesel exhaust fluid (DEF) tank filler neck is being replaced with an improved...
- Mack: combustion air valve and piping arrangement
- Mack truck: the current exhaust pipe is replaced by a two piece flex pipe and diesel particulate filter...
- Mack truck: due to the low ground clearance, the aftertreatment diesel exhaust fluid (DEF) pump's location...
- Mack truck: the latest software upgrade to be received by certain mack MP7 engine control modules (ECM)...
- Mack truck: all aftertreatment diesel exhaust fluid (DEF) coolant hoses on leu and mru trucks have an...
- Mack truck: cracks may develop in lower flange on some model chassis, located on right hand frame rail...
- Mack trucks: there are engine ECM software updates
- Mack trucks: connector plugs for the fuel heater solenoid may be missing
- Mack truck: replacement of aftertreatment diesel exhaust fluid (DEF) coolant hose replacement.
- Mack trucks: procedure to replace bolts on the front spring bracket when they become loose or broken
- Mack trucks: there may be issues with bolts such as loosening/ breaking at the torque rod attachment
- Mack trucks: information on the replacement of the aftertreatment atomization module
- Mack: engine ECU reprogramming
- Mack: diesel exhaust fluid pump, repair
- Mack: there are engine diagnostic trouble codes and there may need to be a software update
- Mack trucks: if there is a failed outer valve spring there is a replacement procedure
- Mack trucks: a wiring harness connector in the front chassis may not seal correctly causing corrosion
- Mack trucks: the fuel level sender is making improper contact and causing the fuel guage to read incorrectly
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