Mack Mru 2007
Vehicle Details: Service Bulletins
MACK VIN Decoder
Use the box here to look up VINs from MACK as well as other manufacturers
Frequently Asked Questions
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Where is the 2007 MACK MRU produced?
- The 2007 MACK MRU is produced in Greensboro North Carolina, United States (usa).
NHTSA Mandated Recalls
Bulletins
Bulletins are notices put out by manufacturers in conjunction with the NHTSA to notify the public of manufacturing issues or changes.
- CBR-202 202402 - POWER TRAIN: Cbr - automated manual transmission ( amt ) flywheel pilot bearing wear on input shaft.
- M-465-001 202311 - POWER TRAIN: 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.
- M728-005A 202308 - SUSPENSION: Tsb: barksdale leveling valve, leak test
- KC-474-Ver5 - POWER TRAIN: Cbr: diagnostic trouble code (dtc) P215A-64, fault code spn 84 fmi 19
- KC-614-Ver4 - EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL: 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 )
- M-170-003 - EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL: Tsb: vibration diagnostics
- M-170-002 - EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL: Tsb: new vehicle safety certification requirements for vehicles, u.S. And canada
- S7627 - ENGINE AND ENGINE COOLING: Mack mmd alternator pulley
- KC-2248 - ENGINE AND ENGINE COOLING: Flywheel housing thread repair
- M-870-001 - ENGINE AND ENGINE COOLING: 2007 document reformatted to be published as a tsb in impact. Interference with ac line and front engaging pto.
- M-261-008 - ENGINE AND ENGINE COOLING: 2007 document reformatted to be published as a tsb in impact.Coolant level sensor.
- M-593-001 - SERVICE BRAKES, AIR:ANTILOCK: 2008 document reformatted to be published as a tsb in impact. Abs sensor mounting bracket.
- M-431-002 - POWER TRAIN: 2008 document reformatted to be published as a tsb in impact. T300 transmission synchronizers repair.
- M-214-003 - ENGINE AND ENGINE COOLING: 2008 document reformated to be published as a tsb in impact. Injector rocker arm service.
- M-237-002 - ENGINE AND ENGINE COOLING: 2008 document reformatted to be published as a tsb in impact. Injector removal tool.
- M-237-001 - ENGINE AND ENGINE COOLING: 2008 document reformatted to be published as a tsb in impact. Injector copper sleeves.
- M-431-001 - EQUIPMENT:ELECTRICAL: 2008 document reformatted to be published as a tsb in impact. Synchronizer fastener change.
- M-258-009 - ENGINE AND ENGINE COOLING: 2008 document reformatted to be published as a tsb in impact. Supplemental air valve fitting.
- M-214-002 - ENGINE AND ENGINE COOLING: 2008 document reformatted to be published as a tsb in impact. Rocker shaft oil transfer tube installation.
- M-214-001 - ENGINE AND ENGINE COOLING: 2008 document reformated to be published as a tsb in impact. Rocker arm upgrade to current configuration.
- M-846-005 - VISIBILITY: 2008 document reformatted to be published as a tsb in impact. Revised mirror mounting arrangement.
- M-728-001 - SUSPENSION: 2008 document reformatted to be published as a tsb in impact. Air suspension ride height.
- M-823-002 - STRUCTURE: 2008 document reformatted to be published as a tsb in impact. Grille bar, replacment.
- M-258-000 - ENGINE AND ENGINE COOLING: 2008 document reformatted to be published as a tsb in impact. Water entering the dpf.
- M-375-002 - STRUCTURE: 2008 document reformatted to be published as a tsb in impact. Main cab harness pass-through.
- M-390-001 - ELECTRICAL SYSTEM: 2008 document reformatted to be published as a tsb in impact. Electrical equipment panel label.
- M-258-011 - ENGINE AND ENGINE COOLING: 2008 document reformatted to be published as a tsb in impact. Differential pressure sensor hose.
- M-851-001 - STRUCTURE: 2008 document reformatted to be published as a tsb in impact. Crack in cab at engine tunnel.
- M-222-001 - ENGINE AND ENGINE COOLING: 2008 document reformatted to be published as a tsb in impact. Loose oil filter spud.
- M-260-001 - ENGINE AND ENGINE COOLING: 2008 document reformatted to be published as a tsb in impact. Cooling system connections.
- M-371-003 - ELECTRICAL SYSTEM: 2008 document reformatted to be published as a tsb in impact. Body builder harness.
- M-721-004 - SUSPENSION: 2008 document reformatted to be published as a tsb in impact. Chassis lean.
- M-801-001 - STRUCTURE: 2008 document reformatted to be published as a tsb in impact. Paint protection.
- M-563-001 - PARKING BRAKE: 2008 document reformated to be published as a tsb in impact. Field repair for the treadle valve.
- M-374-001 - ELECTRICAL SYSTEM: 2008 document reformated to be published as a tsb in impact. Revised battery ti battery cable
- M-265-002 - ENGINE AND ENGINE COOLING: Tsb-charge air cooler t-clamp install.
- M-255-016 - ENGINE AND ENGINE COOLING: 2009 document reformatted to be published as a tsb in impact. Turbo actuator connector repair.
- M-263-003 - ENGINE AND ENGINE COOLING: 2009 document reformatted to be published as a tsb in impact. Fan drive belt replacement mp7 engine
- M-258-006 - ENGINE AND ENGINE COOLING: 2009 document reformatted to be published as a tsb in impact. Drv air line service kit
- M-373-001 - ELECTRICAL SYSTEM: 2009 document reformatted to be published as a tsb in impact. Dpf harness routing
- M-364-001 - ENGINE AND ENGINE COOLING: 2009 document reformatted to be published as a tsb in impact. Dpf control "smart switch" options
- M-561-002 - SERVICE BRAKES, HYDRAULIC: 2009 document reformatted to be published as a tsb in impact. New air dryer
- M-451-002 - SUSPENSION: 2009 document reformatted to be published as a tsb in impact. Axle carrier pinion angles
- M-254-001 - ENGINE AND ENGINE COOLING: 2008 document reformatted to be published as a tsb in impact. All leu & mru models with a mp7, a non-catalyzed dpf, and 07 emissions. Design and function.
- KC-2112 - ELECTRICAL SYSTEM: Programming failure - chassis with cummins engine and an allison transmission
- KC-2143 - VEHICLE SPEED CONTROL: (back office) - cruise control inoperative after updating software vecu5 without esp package (uesp).
- KC-405 - POWER TRAIN: 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 -
- KC-745 - POWER TRAIN: 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-750 - ENGINE AND ENGINE COOLING: Us10 emission engines - diagnostic trouble code ( dtc ) spn 1231 fmi 9 troubleshooting.
- KC-663 - ENGINE AND ENGINE COOLING: Emcon (spark assist) engine aftertreatment system troubleshooting check sheet - us07 emissions
- KC-653 - ENGINE AND ENGINE COOLING: Low oil pressure diagnostic process for 11 liter engines
- KC-627 - EQUIPMENT: Premium tech tool ( ptt ) training materials and support tools
- KC-2172 - UNKNOWN OR OTHER: No start condition after over the air programing - vecu5 no start "safe state"
- KC-2171 - ENGINE AND ENGINE COOLING: Temperature sensor troubleshooting guide - us10+obd13 and newer
- KC-2170 - SUSPENSION: Electronically controlled suspension (ecs) losing air pressure
- KC-2169 - ELECTRICAL SYSTEM: Low voltage disconnect (lvd), function description
- KC-2165 - ENGINE AND ENGINE COOLING: Def pump troubleshooting guide - us10+obd13 and newer emissions
- KC-2161 - ENGINE AND ENGINE COOLING: Def pump cycling periodically hours after key off
- KC-2158 - ENGINE AND ENGINE COOLING: Selective catalytic reduction (scr) muffler troubleshooting guide - us10+obd13 and newer emissions
- KC-2131 - ENGINE AND ENGINE COOLING: Use for new vehicles (us21+obd22 emissions) - intermittent diagnostic trouble codes U02A3, U029D, U029E
- KC-2116 - ENGINE AND ENGINE COOLING: Nox sensor troubleshooting guide - us10+obd13 and newer emissions
- KC-626 - POWER TRAIN: 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-648 - UNKNOWN OR OTHER: Mack - pto pump speed calculator
- KC-686 - VEHICLE SPEED CONTROL: (back office only) mack chassis - cruise control inoperative after disabling the electronic stability program (esp)
- KC-698 - ENGINE AND ENGINE COOLING: Mack chassis - diesel exhaust fluid ( def ) system cleaning/flush after def pump failure or system contamination
- KC-699 - ELECTRICAL SYSTEM: Mack chassis - bendix vendor configuration program ( vcp ) software download information
- KC-714 - ENGINE AND ENGINE COOLING: Mack chassis - diagnostic trouble codes ( dtc's ) - P020113, P020213, P020313, P020413, P020513, P020613, cylinders 1 through 6 injector a open circuit
- M-392-004B - UNKNOWN OR OTHER: Radio, replacement (revised from fsb 392-004)
- KC-525 - POWER TRAIN:MANUAL TRANSMISSION:SEALS/GASKETS: Us07 / us10 d13 turbocharger gasket - low power, poor regen performance
- KC-417 - SERVICE BRAKES, AIR: Mack chassis - air system schematics for models - mru, leu and ( lr ) using the same schematic as the leu
- KC-323 - STRUCTURE: Mack chassis - model mru - inner and outer door panel repair procedure; outer door surface separating from the inner door surface
- KC-692 - EXTERIOR LIGHTING:LIGHTING CONTROL MODULE: Lighting control module ( lcm ) replacement - refer to technical parts information ( tpi ) 364 - 034 control unit
- CBR-15 - ENGINE AND ENGINE COOLING: Diagnostic trouble codes (dtc) for the engine pre-heat relay: supplementary instructions
- KC-471 - ENGINE AND ENGINE COOLING: Mack chassis " air restriction light on " in the cluster.
- FSB 386-011 - EQUIPMENT:ELECTRICAL: Air pressure switch, replacement
- K25470463 - ENGINE (PWS): Mack chassis - emcon (spark assist) engine aftertreatment system troubleshooting check sheet - us07 emissions
- K44714632 - ELECTRICAL SYSTEM: Mack chassis - terrapro (mru) and low entry (leu) models - field service bulletin fsb 381-042, warning light bar replacement and software conversion kit - us07, us10, us14+obd13 to us14+obd16 emissions, model years 2008 to 2017
- K70570342 - POWER TRAIN: Mack chassis - equipped with an allison transmission: enable 6th speed - all emissions, all model years
- K50350118 - ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER: Mack chassis - discharge recirculation valve (drv) - fsb 258-029 , engine turbocharger compressor bypass valve deletion kit, installation
- K37146742 - ENGINE AND ENGINE COOLING: Us07 / us10 d13 turbocharger gasket - low power, poor regen performance
- K73535241 - ELECTRICAL SYSTEM:SOFTWARE: Mack chassis - snm16-006 telematics gateway ( tgw ) goes offline due to vin mismatch when test engine ecu is installed
- K86900043 - ENGINE AND ENGINE COOLING: Exhaust gas recirculation (egr) system - fault codes spn 412 fmi 0,2,5; diagnostic trouble codes (dtc) P040A, P040B, P1121 - temperature sensor inspection
- K65527708 - ENGINE (PWS): Diagnostic trouble codes (dtc) P20EE and P103C, diagnostic procedure; replaces guided diagnostics in premium tech tool ( ptt ) - us17+obd16 and newer chassis only
- K73535038 - ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS: Mack chassis - equipped with a cummins 9 liter engine - serpentine belt excessively worn or damaged; fan belt shredding or fraying repeatedly
- K52535491 - ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE): Diagnostic / troubleshooting procedures for egr system components; diagnostic trouble codes (dtc) P0401-00, P0402-00, P04DD-00, P1121-00, P1121-98 or spn 2659 fmi 16, spn 2659 fmi 18, spn 412 fmi 0, spn 412 fmi 15 - us10, us10+obd13, us14+o
- K63323104 - EQUIPMENT: Mack chassis - vibration questionnaire, driveline angle worksheet and rough ride check sheet
- FSB563-008 - ENGINE (PWS): Plugs, pressure protection manifold
- K17039050 - ELECTRICAL SYSTEM: Bendix acom - ec80 esp controller; abs and atc lights illuminated, fault codes present after making changes, calibration or programming with acom
- K11065398 - ENGINE AND ENGINE COOLING: Mack chassis - crankcase ventilation ( ccv ) oil leaks - fsb 257 - 004, fsb 257 - 006 - us14 and us15 emissions
- K14637412 - FUEL SYSTEM, GASOLINE: Diagnostic trouble codes (dtc) P0194-00 - fuel rail pressure sensor, circuit erratic, intermittent and/or P016E-00 closed loop fuel pressure at control limit, pressure too high - us17+obd16 (common rail fuel system) emissions and newer; mod
- K54101221 - EQUIPMENT ADAPTIVE/MOBILITY: ** tech tip ** tt - 001 - 2015 - how and when to diagnose a P0402 code
- K73658294 - FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:FUEL RAIL: Mack chassis - diagnostic trouble codes ( dtc's ) P24A0 and P249F lighting the malfunction indicator lamp ( mil ) - us14+obd15, us14+obd16 (common model years 2016 and 2017), us17+obd16 and newer ( common rail fuel system, model year 2018)
- K95422063 - EQUIPMENT ADAPTIVE/MOBILITY: Mack chassis - diagnostic trouble code ( dtc ) P2459 lighting the malfunction indicator lamp ( mil ); possible frequent regeneration requests - obd15 and us14+obd16 (non-common rail) chassis
- K50433055 - STRUCTURE: Mack chassis - diagnostic trouble code ( dtc ) P0471 illuminating the malfunction indicator lamp (mil) - us17+obd16 (ghg17, common rail fuel system) chassis only
- K18412228 - ENGINE (PWS): Mack chassis - telematics gateway ( tgw, mid 142 ) losing communication with the instrument cluster ( ic ) - counts of fault code (fc) mid 140 psid 239 fmi 12 data link, mid 142 faulty device or component logging, possibly following engine
- K16925952 - ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR: ** tech tip ** tt - 007 - 2015 - diagnosing the aftertreatment control module dtcs P202D, P208E, P20E8 - obd13 (commonly model year 2014); newer chassis after reviewing other solutions
- K43056254 - ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL: Mack chassis - aftertreatment control module ( acm ) offline / not visible / missing from control unit information in premium tech tool ( ptt )
- K42708399 - ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR: Diagnostic trouble code ( dtc ) P0422 lighting the malfunction indicator light (mil ) - obd15 and us14+obd16 (non-common rail fuel system) chassis
- K72614548 - ELECTRICAL SYSTEM: Diagnostic trouble code ( dtc ) P02FA illuminating the malfunction indicator lamp (mil) - us17 (ghg17, common rail fuel system) chassis only
- K47547856 - EQUIPMENT:ELECTRICAL: Particulate matter ( pm ) sensor diagnostic trouble codes ( dtc ) illuminating the malfunction indicator lamp ( mil ); tech tip tt-014-2016 - obd16 and newer emissions (commonly model year 2017, includes common rail fuel system chassis), re
- K01050303 - EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL : Diagnostic trouble code ( dtc ) P0471 illuminating the malfunction indicator lamp (mil) - us17 (ghg17, common rail fuel system) chassis only
- K04342327 - EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL : Diagnostic trouble code ( dtc ) P0420 illuminating the malfunction indicator lamp (mil) - us17 (ghg17, common rail fuel system) chassis only
- K14701433 - ELECTRICAL SYSTEM:SOFTWARE: Diagnostic trouble code ( dtc ) P009E - 73 - fuel pressure relief control performance / stuck off - ghg17 ( us17 ) chassis with common rail fuel system, updated to reflect ghg17 software release
- K24483157 - ENGINE (PWS): Diagnostic trouble codes ( dtc ) P208E and P103B logging with possible derate ( scr inducement ) - obd15, us14+obd16 emissions and newer rewrote test procedure for better clarity.
- K58557784 - ELECTRICAL SYSTEM: Fuel injector offset learning diagnostic trouble codes ( dtc ) / fault codes logged in engine control module ( ems ); possible rough / uneven idle - obd15 chassis
- FSB284064 - ENGINE (PWS): Ecm and acm reprogramming, obd2015
- K14701433 - FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY:PRESSURE RELIEF DEVICES: Diagnostic trouble code ( dtc ) P009E - 73 - fuel pressure relief control performance / stuck off - ghg17 ( us17 ) chassis with common rail fuel system.Changed repair instructions to reflect new procedures
- K43056254 - ELECTRICAL SYSTEM: Mack chassis - aftertreatment control module ( acm ) not visible in premium tech tool ( ptt ).Added more checks and procedures
- K95422063 - ENGINE (PWS): Mack chassis - diagnostic trouble code ( dtc ) P2459 lighting the malfunction indicator lamp ( mil ); possible frequent regeneration requests - obd15 and newer chassis
- K86094641 - ENGINE (PWS): Mack chassis - diagnostic trouble code ( dtc ) P226C intermittently lighting the malfunction indicator lamp ( mil ) - obd15 and obd16 conventional chassis.Updated to reflect release of fsb284-064 (above)
- K42708399 - ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL: Diagnostic trouble code ( dtc ) P0422 lighting the malfunction indicator light ( mil ) - obd15 and obd16 chassis (non-common rail).Updated to reflect release of fsb284-064 (above)
- K77864401 - FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP: Mack chassis - diesel exhaust fluid ( def ) system cleaning/flush after a pump failure or system contamination.Removed tech tip, added correct operation id
- K53510452 - FUEL SYSTEM, DIESEL: Expired - refer to k93039325 - mack chassis - snm16-032 def (diesel exhaust fluid) contamination in diesel fuel.New solution released with improved information
- K24483157 - ELECTRICAL SYSTEM: Diagnostic trouble codes ( dtc ) P208E and P103B logging with possible derate (scr inducement ) - us13 emissions and newer
- K84262037 - UNKNOWN OR OTHER: Issues with the charge air system may result in the presence of oil in the charge air cooler ( cac ) or intake piping.
- K75024255 - ENGINE AND ENGINE COOLING: During extended periods of idling, engine speed may increase for a short time without any external command to do so.
- FSB465-003 - EQUIPMENT: Effective september 2016, a revised composite bevel gear compartment cover with steel threaded fill plug and face-mounted o-ring was implemented into production for mack crd202/203, crd150/151 and crd 125/126 carriers. The revised composite
- FSB 221-010 - ENGINE (PWS): Diagnostic trouble codes (dtcs), low oil pressure, cxu, gu, leu, mru
- FSB 284-047 - ENGINE (PWS): Some mack vehicles built between 2004 and october 2013 experience an oil level sensor failure that leads to oil contamination into the engine wire harness.
- FSB 284-047 - ENGINE (PWS): Some mack vehicles built between 2004 and october 2013 experience an oil level sensor failure that leads to oil contamination into the engine wire harness.
- FSB 284-048 - ENGINE (PWS): Some mack vehicles with mp engines built between january 2004 and january 2013 may experience a main oil gallery pressure sensor or piston cooling jet pressure sensor failure that leads to oil contamination into the engine wire harness.
- FSB-252-029 - ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE: Mack truck: muffler inlet pipe will fall out, and a new muffler inlet pipe, turborcharger outlet pipe, lengthened exhaust flex pipe was designed to address this condition and work together to reduce rigidity. *pe
- FSB-284-048 - ENGINE (PWS): 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 dam
- FSB-284-047 - ELECTRICAL SYSTEM:WIRING: 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-221-010 - ENGINE (PWS): Mack trucks: low oil pressure. Stored dtc spn 100 fmi 1, during long hard pull conditions. *js
- SP-218-002-01 - ENGINE AND ENGINE COOLING:ENGINE:DIESEL: Mack: incorrect hardware on front engine mount. Bolts are the incorrect length and or grade for the engine. *kb
- FSB-221-009 - ENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS: Mack trucks: hose, engine oil fill tube. Engines built before february 11, 2013 may exhibit minor oil seepage from the engine oil filler tube hose or display stress cracks in the hose. *js updated 7/3/13. *pe
- PI-0796 - ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE): 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
- FSB-293-007 - FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY:PRESSURE RELIEF DEVICES: 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 sen
- PI-0790 - FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY: Mack truck: information regarding the expansion tank coolant pipe static making contact with starter solenoid wire and rubbing through wire insulation. Models leu and mru. *pe
- FSB-255-023 - ENGINE AND ENGINE COOLING:ENGINE: 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 include
- FSB 258-013 - EQUIPMENT:APPLIANCE:AIR CONDITIONER: Mack: combustion air valve and piping arrangement. On the leu and mru model vehicles it has been determined that there was insufficient support of the combustion air valve and piping. *js
- FSB-711-007 - SUSPENSION: Mack truck: lower right side frame bracket may experience cracking and can be directly replaced with new designed crossmember assembly. Le, leu, mr, mru. No model year listed. *pe
- SB-258-025 - ENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS: Mack truck: replacement of aftertreatment diesel exhaust fluid (def) coolant hose replacement. *pe
- SB-460-010 - SUSPENSION:MULTIPLE AXLE:TORQUE ARM: Mack trucks: there may be issues with bolts such as loosening/ breaking at the torque rod attachment. *rm
- FSB-721-001 - SUSPENSION:REAR:SPRINGS:LEAF SPRING ASSEMBLY:HANGER/BRACKET: Mack trucks: procedure to replace bolts on the front spring bracket when they become loose or broken. *rm
- SP-373-014 - FUEL SYSTEM, DIESEL: Mack trucks: connector plugs for the fuel heater solenoid may be missing. *rm
- SP-254-006 - FUEL SYSTEM, OTHER:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS: Mack trucks: information on the replacement of the aftertreatment atomization module. *rm
- SP-284-030 - ELECTRICAL SYSTEM:SOFTWARE: Mack trucks: there are engine ecm software updates. *rm
- SP-258-022 - FUEL SYSTEM, OTHER:FUEL FILTER: Mack trucks: information on the adjustment of the aftertreatment combustion air inlet orifice. *rm
- FSB-491-029 - UNKNOWN OR OTHER: Mack trucks: there are cracks in a steel oil tube that can lead to leaking. *rm updated 2/21/12. *pe
- FSB-293-011 - ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE): Mack trucks: there are new egr outlet hose clamps. *rm
- SP-284-027 - ELECTRICAL SYSTEM:SOFTWARE: Mack truck: engine ecm and acm software updates. 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 y
- SP-652-004 - SUSPENSION: Mack truck: torque rod relocation for hn suspension. Certain model trucks with hn suspension have been found to make contact with the torque rod at the carrier assembly bracket. *pe updated 9/9/11. *pe
- FSB-874-051 - EQUIPMENT:APPLIANCE:AIR CONDITIONER: Mack truck: a/c hose condensation remediation. The low pressure a/c hose used on the optional reddot roof mounted air conditioning unit may drip condensation onto the electronics and operator controls mounted on the engine tunnel. Models
- SB-724010 - ELECTRICAL SYSTEM:WIRING: Mack truck: on certain truck chassis manufactured prior to may 30, 2008, the possibility exists for the main cab harness to rub against the charge air cooler in the left hand corner of the cab. To eliminate this condition and proven t har
- SB-724011 - STRUCTURE:BODY:ROOF AND PILLARS: Mack truck: cab roof harness repair and pass through hole modification. On certain truck model chassis, the possibility exists for the cab roof harness to rub against the edge of the pass through hole where the harness transitions down th
- SB-258-011 - ELECTRICAL SYSTEM:IGNITION: Mack truck: aftertreatment dpf spark assisted ignition system electrode test procedure. Affected models leu, mru. No model years listed. *pe
- SB-517010 - POWER TRAIN:AXLE ASSEMBLY: Mack truck: haldex rear slack adjusters replacement. No model years listed. *pe
- SC-334 - SERVICE BRAKES, AIR:SUPPLY:CHECK VALVE: Mack truck: it has been determined that the 90 degree single check valve fitting manufactured by parker hannifin corp. Which is used in the supply port of the spring brake modulating relay valve (bendix sr 7 valve) may have a defect whereb
- SB-234030 - FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:INJECTORS: Mack truck: aftertreatment fuel injector (afi) air purge system, kit installation instructions. A continuous air purge system was developed and implemented into production on vehicles equipped with a catalyzed diesel particulate filter (dp
- SB-22499 - POWER TRAIN:AUTOMATIC TRANSMISSION:COOLING UNIT AND LINES: Mack truck: the transmission oil cooler coolant supply piping arrangement may prevent installation of a driveshaft to an accessory pump with the transmission mounted pto located in the 8 o'clock position. Model years unknown.
- SB-329008 - POWER TRAIN:AUTOMATIC TRANSMISSION:COOLING UNIT AND LINES: Mack truck: revised automatic transmission oil cooler supply pipe coupling house. The pipe to thermostat housing connection was implemented into production on certain model chassises. Model years unknown. *pe
- SB-329-008 - POWER TRAIN:AUTOMATIC TRANSMISSION: Mack trucks: a revised coupling hose for the allison automatic transmission oil cooler supply pipe to thermostat housing connection was implemented into production on mru and leu model chassis. Model years unknown. *pe
- SB-724-011 - STRUCTURE:BODY:ROOF AND PILLARS: Mack trucks: on certain model chassis, the possibility exists for the cab roof harness to rub against the edge of the pass through hole where the harness transitions down the b post on the left hand side of the cab. *pe
- P-1662 - ENGINE AND ENGINE COOLING:ENGINE:DIESEL: Mack truck: models cxu, chu, gu, mru and leu chassis. 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
- SB-230002 - VEHICLE SPEED CONTROL:CRUISE CONTROL: Mack trucks: service brake switch test for cruise control activation. A change was made to the vehicle electronic control unit (vecu) software which affects cruise control. Models cxu, chu, gu, td, leu, mru. *pe
- P-1653 - POWER TRAIN:AUTOMATIC TRANSMISSION:COOLING UNIT AND LINES: Mack truck: cooling system surge tank and transmission oil cooler supply pipe, replacement for mru leu models with automatic transmission. *pe
- P-1650 - ENGINE AND ENGINE COOLING:COOLING SYSTEM: Mack: model mru with manual transmission. Cooling system surge tank replacement. *pe
- P1659 - ENGINE AND ENGINE COOLING:ENGINE:DIESEL: Mack truck: diesel particulate filter (dpf) atomization module replacement. Models mru and leu manufactured january 2, 2007 and november 20, 2007. Does not apply to mack trucks australia. *pe updated 9/15/08. *pe