Mack Mack - Engine and engine cooling



Table of contents:
Mack Mack bulletins
BulletinBulletin dateReplacement BulletinItem no.SummaryAdded
ENGINE AND ENGINE COOLING
SB23201402/11/2000611278Intormation regarding texaco and rotella (shell) extended life coolants. *mjs2000-05-31
SL21001409/20/1999611230Information regarding the low nox reguild program required under the recent epa and engine manufacturers. *mjs2000-05-31
SB27300610/12/1999611224Information regarding ambient air temperature sensor. *mjs2000-05-31
ENGINE AND ENGINE COOLING - COOLING SYSTEM
SB-21502603/11/200910028866Mack truck: cooling system revisions: thermostat housing consists of two sections (thermostat section and bypass section), with a cast wall separating the two. for the bypass feature to function, there must be a passage through the cast wal2009-06-05
SB-215-02603/11/200910028549Mack trucks: to improve water pump seal life, reduce occurrences of pushing coolant (coolant loss from the surge tank) and reduce cooling system surge noise/vibration (noise and very rapid vibration of upper radiator tube). model and model2009-05-08
SB21002407/13/2001SB210024620768Subject regarding test strips for testing glycol, nitrite and ph levels in heavy-duty coolant. *tt2001-08-29
PB21000302/13/2001618728Information regarding test strips for testing glycol and nitrite levels in heavy-duty coolant. *tt2001-04-24
PB23200102/16/2001618720Subject regardinh the texaco and rotella (shell) extended life coolants. *tt2001-04-24
PG23200202/16/2001618719Some m-e7 engines may experience overheating or coolant loss, attributed to a blocked oil cooler inlet screen. *tt2001-04-21
20020002990210/25/2000618711Subject regarding water pump pulley installation. *tt2001-04-21
99020902/01/1999604497Information regarding new and improved 'pre-charged' antifreeze which is 'fuchsia' in color. *tt1999-05-04
ENGINE AND ENGINE COOLING - COOLING SYSTEM - FAN
SB23201005/04/1999SB232010606773Nformation on the fitting / retainer for fan clutch air line. *tt1999-09-02
SB23201005/04/1999606593Information on the new fitting / retainer for fan clutch air line. *tt1999-08-30
14H00906/22/1998601380A new fitting/retainer for fan clutch air line is available for all models except cl. *yc1998-08-03
ENGINE AND ENGINE COOLING - ENGINE
PI-077601/01/201210043371Mack truck: procedural information regarding the replacement of the double idler gear on certain epa2010 truck. *pe2012-03-20
PI-071010/01/201110043090Mack truck: a conical seat arrangement and matching injectors was developed as product improvement for new stainless steel sleeve due to engines experiencing failures of previous copper injector sleeves. models mp7, mp8, mp10. no model2012-02-21
SB-293-1110/01/201110043095Mack truck: bulletin providing procedure information on egr cooler being pressure tested on the engine and also removed from the engine. no model or model years listed. *pe2012-02-21
PI-077111/01/201110042510Mack truck: the engine control modules (ecm) aftertreatment control modules (acm) and instrument clusters received the latest software upgrades for certain mack mp7, mp8, and mp10. *pe2011-12-13
PI-071010/01/201110042104Mack trucks: this is a product improvement bulletin regarding new stainless steel sleeve with conical seat arrangement and matching injectors for engines that have experienced failures of copper injector sleeves. *pe2011-11-28
SB-23401501/21/200810032347Mack truck: aftertreatment fuel injector (afi) service-us07 emission compliant mp7 and mp8 engines. aftertreatment fuel injector (afi) mounted to the diffuser pipe at the rear of the turbocharger to raise the temperature inside the diesel2010-03-10
SB-21004501/30/200810032354Mack truck: information concerning power take off (pto) installation and operation on chassis equipped with 2007 and later emission compliant mp7 and mp8 engines. no model or model years listed. *pe2010-03-10
SB-22201708/03/200910032104Mack truck: unit injector harness terminal replacement. poor contact between the unit injector male terminals and the harness connector female terminals can result in unit injector faults (sid 1-6, fmi 3 or fmi 5) on mack mp7 (us04 or us02010-02-12
PI-67804/03/200910032014Mack truck: exhaust manifold gaskets, turbocharger and turbocharger mounting hardware replacement. mp10 engine equipped chassis. no models or model years listed *pe2010-02-03
TSB-215-8809/01/200910031264Mack trucks: camshaft sensor replacement. this covers guidelines for replacing the camshaft sensor on the mack mp7, mp8 and mp10 engines. no model years listed. *pe2010-01-04
PI-068909/18/200910031284Mack trucks: turbocharger replacement and software update. authorization given to replace the turbocharger and mounting hardware on certain mp10 engine equipped vehicles. approximately 120 vehicles are involved in this campaign. the tur2010-01-04
SB-72301103/05/200910028865Mack trucks: oil seepage at the unit injector harness pass through fitting (located on the timing gear cover on the left hand side of the engine) may be noticed on certain us04 emission compliant mp7 engines. model and model years unknown.2009-06-05
20020032370108/25/200310003090Vtg turbo actuator flange bolt loosening. *tt2003-10-08
21302702/07/200321302710001216Valve yoke guide pin, rotator and slave piston spring breakage - engines equipped with j-tech engine brake. *tt2003-04-22
20020023050211/01/200210000516Problems of not attaining 1800-1900 rpm in top gear. aset ai vecu reprogramming. *tt2003-02-28
22103210/11/2002100002269-2 fault code diagnostics and repair procedures. *tt2003-02-20
21302710/29/200221302710000220Valve yoke guide pin, rotator and slave piston spring breakage on engines equipped with j-tech engine brake. *tt2003-02-19
SL21300605/10/2002634180Subject regarding camshaft replacement guidelines. nlm2002-09-28
SB21100705/21/2002SB211007634183Information regarding cylinder sleeve seat repair, also applies to mack trucks australia for aset, etech and e7 models.*jb2002-09-28
20020021090104/19/2002631401Information regarding eup bolt breakage. *yh2002-05-23
20020011240105/04/2001621746Some united states postal service (usps) vehicles may exhibit a low engine oil pressure condition cause by blockage of the full flow oil filters. *tt2001-10-01
MB22100703/09/2001620024Subject regarding injection timing control inner tone wheel used in the timing advance unit of midr 06.02.26 l510/511, m510/511, l70/711 and m710/711 engines, a redesigned replacement tone wheel is available through the mack parts system.2001-07-09
20020002780110/04/2000618715Subject regarding camshaft break-in procedure. *tt2001-04-21
26601401/16/2001616635J-tech engine brake slave lash adjustment change. *tt2001-03-07
20020003340211/29/2000616181Subject regarding main bearing running clearance change. *tt2001-02-14
PI53808/15/2000614525Subject regarding electronic unit pump hold-down bolt breakage. *tt2000-10-25
SB26100602/22/2000611271Information regarding bendix tu-flo 550/750 unloader piston leakage. *mjs2000-05-31
01019901/01/1999605762Subject regarding engine speed / timing sensor. *tt1999-07-23
99021902/19/1999604499This bulletin outlines the elimination of the cylinder sleeve crevice groove and seal. *tt1999-05-04
32J00307/14/1998603392Conditions with engine brake relay. *yc1999-02-19
SB21300910/30/1998SB213009602856Proper fire ring/ cylinder sleeve replacement combinations and repair of e7 cylinder head gasket combustion leakage. *yc1999-01-14
SB21301911/12/1998602609Brief information regarding cylinger head cover changes. *yc1999-01-05
98042191D02504/21/1998601386A new oil performance specification. *yc1998-08-03
9880001/01/1998600999Subject regarding v-mac iii system overview. *yc1998-06-17
19W01807/01/199519W01846423Component manufacturing variables may allow excessive clearence between the refrigerant compressor mounting ears and the bracket mating surfases. this excessive clearance can cause the ears on the cast aluminum compressor to crack when the1996-04-25
51F00107/01/199546418With the machined dowel method of installation, research has found that flywheel housing runout is well within old service specification of .010 inch total indicated runout (tir) when checked using an alignment bar through the cylinder blo1996-04-25
32A003A10/01/199532A00346414(supersedes any previosly dated service bulletin number 32a003). the following information provides procedures for checking cylinder heads and cylinder blocks for internal oil and/or water leakage, and also for head gasket leaks. suspected1996-04-25
53G00103/01/199539952Oversize outside diameter main bearings for mack e9 series engines. *tw1995-11-01
32A00211/01/199437885Un-finished main bearing caps for mack e7 engines. *tw1995-01-13
B3611/01/1994B36/089437884New piston is now being used in cylinder kits for 06.02.12 engines. *tw1995-01-13
ENGINE AND ENGINE COOLING - ENGINE - DIESEL
PI-077601/01/201210043371Mack truck: procedural information regarding the replacement of the double idler gear on certain epa2010 truck. *pe2012-03-20
PI-076911/01/201110042508Mack truck: updating the latest software for certain mack mp7, mp8, and mp10 engine control modules (ecm) and aftertreatment control modules (acm).2011-12-13
PI-071010/01/201110042104Mack trucks: this is a product improvement bulletin regarding new stainless steel sleeve with conical seat arrangement and matching injectors for engines that have experienced failures of copper injector sleeves. *pe2011-11-28
SB-21004501/30/200810032354Mack truck: information concerning power take off (pto) installation and operation on chassis equipped with 2007 and later emission compliant mp7 and mp8 engines. no model or model years listed. *pe2010-03-10
SB-27301301/23/200810032352Mack truck: intake air, charge air and turbocharger compressor discharge temperature sensors-aset ac engines. on vehicles equipped with an aset ac engine, temperature sensor part no 64mt450a is used to measure intake air, charge air and tu2010-03-10
PI-068909/18/200910031284Mack trucks: turbocharger replacement and software update. authorization given to replace the turbocharger and mounting hardware on certain mp10 engine equipped vehicles. approximately 120 vehicles are involved in this campaign. the tur2010-01-04
TSB-215-8809/01/200910031264Mack trucks: camshaft sensor replacement. this covers guidelines for replacing the camshaft sensor on the mack mp7, mp8 and mp10 engines. no model years listed. *pe2010-01-04
SB-21406407/15/200910030577Mack truck: discharge recirculation valve (drv) air line service kit 21377589 has been developed for the repair or replacement of drv air line on mack mp7 engines. if the dpf (diesel particulate filter) failed regeneration due to slow t12009-10-22
SP-P1068106/17/200910030387Mack truck: unit injector sleeve, nbr combustion washer and unit injector yoke upgrade; certain engines may experience combustion leakage at the unit injector sleeve. mack trucks, inc has authorized upgrading of these engines with unit inj2009-09-28
SP-1068206/19/200910030390Mack truck: nbr combustion washer and unit injector yoke upgrade. certain mack mp8 engines may experience combustion leakage at the unit injector sleeve. because of this mack trucks, inc. has authorized upgrading these engines with nbr com2009-09-28
SP-1068706/15/200910030385Mack trucks: has authorized replacement of the turbocharger and mounting hardware on certain mp8 engine equipped vehicles. no model or model years listed. *pe2009-09-28
SB-723-01103/05/200910028546Mack trucks: oil seepage at the unit injector harness pass through fitting (located on the timing gear cover on the left hand side of the engine) may be noticed on certain us 04 emission compliant mp7 engines. model and model years unknown2009-05-08
P-167411/14/200810027964Mack truck: unit injector, inlet and exhaust rocker arms, combustion sealing washer, unit injector yoke and sleeve replacement. *pe2009-02-24
P-167311/14/200810027910Mack truck: unit injector, inlet and exhaust rocker arms, combustion sealing washer and unit injector yoke replacement. model and model years unknown. *pe2009-02-19
SB-21-405810/24/200810027766Mack trucks: revised egr mixer inlet tube. premature failure of the egr mixer inlet tube may be experienced on certain mack mp8 engines. model and modely years unknown. *pe2009-02-02
SB-213-05707/23/200810025850Mack truck: camshaft wear inspection of engine models mp7, mp8, mp10. *pe2008-09-10
PI 66305/16/200810025789Mack truck: engine management system (ems) software upgrade - mack mp8 engines. the software includes a reduction in the peak injection pressure. model and model years unknown. *pe2008-09-06
SB-21305205/06/200810025782Mack trucks: rocker shaft oil transfer tube installation - mp7 engines. possible to install the rocker shaft oil transfer tube between the engine brake control valve or intermediate section (non-brake engines) and the rocker shaft incorr2008-09-06
P155006/25/2002634181Subject regarding j-tech actuating pin adjusting scre replacement, engines affected - all e-tech engine modles manufactured etween january 2002 through march 2002 (engine serial nos. 2a0001 through 2d2687). nlm2002-09-28
SL21001005/24/2002SL210010634174Subject regarding engine horsepower conversion procedures - all mack diesel engines. nlm2002-09-28
SB21003304/12/2002632401Subject regarding mack eo-n premium plus high performance diesel engine oil specification. *tt2002-07-15
SL21001003/09/2001SL210010620032Subject regarding engine horsepower conversion procedures. *tt2001-07-09
SB21002310/08/1998SB017001603609Information on eo-m diesel engine oil specification. *yc1999-02-26
ENGINE AND ENGINE COOLING - ENGINE - GASOLINE
SL32300404/19/2002631399Subject on engine shut down due to speed sensor or temperature sensor failure on chassis equipped with allison hd transmission. *yh2002-05-23
20020020140101/14/2002629003Subject regarding high-pressure fuel line leaks at the cylinder head connection area on ccrs engines. *tt2002-03-26
SL21001411/06/2001SL210014626056Subject regarding low nox rebuild kit. *tt2001-12-12
20020012470109/04/2001626083Subject regarding j-tech engine brake update. *tt2001-12-12
SL21001405/25/2001SL210014621743Subject regarding low nox rebuild kit for mack and renault vi rebult engines. *tt2001-10-01
PB21000102/13/2001618726Addressing a condition known as soot-related oil thickening or sludging in heavy duty diesel engines. *tt2001-04-24
PB21000202/13/2001618727Subject regarding engine oil analysis-soot specification. *tt2001-04-24
70020010180201/19/2001616628Information on engine rpm limited to 1850. *tt2001-03-06
20020003530112/18/2000616182Subject regarding main bearing running clearance. *tt2001-02-14
ML21000912/22/2000ML210009616202Mack trucks, inc. is notifying rebuilders of renault vi manufactured engines of certain requirements that must be performed during rebuild of certain renault vi engines. engines covered by the agreement are certain renault vi manufactured2001-02-14
SL210014REV12/21/1999SL210014611280Information regarding the low no x rebuild kit. *mjs2000-05-31
SB22102109/03/1999611208Information regarding the injection pump timing and installation procedure corrections for e5 2-valve head engine overhaul manual. *mjs2000-05-31
SB21002805/04/1999606615Information regarding the release of a new mack eo-m plus high performance diesel engine oil specification. *tt1999-08-30
P152412/15/1998603182Experiencing intermittent engine miss/ cut-out. *yc1999-02-05
98061802A00706/18/1998601383Various information pertaining to chassis lean. *yc1998-08-03
33K00206/01/199545616Revised repto lubricant line and bearing adjustment specification change. *tw1995-11-01
ENGINE AND ENGINE COOLING - ENGINE - GASOLINE - TURBO-CHARGER
FSB-258-03307/01/201210044959Mack 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. *js2012-08-08
SB-21402001/30/200810032353Mack truck: actions required to avoid repeat turbocharger failures. when replacing a failed turbocharger, it is extremely important that the following actions be performed to avoid a repeat failure: clean oil that accumulated in inlet man2010-03-10
PI-67704/03/200910032012Mack truck: turbocharger and turbocharger mounting hardware replacement. mack trucks has authorized replacement of the turbocharger and mounting hardware on certain mp10 engine equipped td model chassis. dealers has list of affected veh2010-02-03
PI-67804/03/200910032014Mack truck: exhaust manifold gaskets, turbocharger and turbocharger mounting hardware replacement. mp10 engine equipped chassis. no models or model years listed *pe2010-02-03
SB-21406203/13/200910028868Mack: turbocharger smart remote actuator (sra) faults. wires within the smart remote actuator connector located on the right hand side of the engine below the turbocharger, are subject to vibration during engine operation. engine model mp7,2009-06-05
SB-214-06203/13/200910028564Mack trucks: wires within the smart remote actuator connector located on the right hand side of the engine below turbocharger, are subject to vibration during engine operation. can result in terminal fretting. model and model years unknown2009-05-08
SA-214-01304/30/200810025745Mack truck: us '04 mp7 service replacement turbochargers. a cambered vane turbocharger has been released to address high cycle fatigue failure in us '04 mp7 equipped highway chassis. model and model years unknown. *pe2008-09-04
ENGINE AND ENGINE COOLING - ENGINE - OTHER FUEL TYPES - TURBO-CHARGER
SB-21402001/30/200810032353Mack truck: actions required to avoid repeat turbocharger failures. when replacing a failed turbocharger, it is extremely important that the following actions be performed to avoid a repeat failure: clean oil that accumulated in inlet man2010-03-10
SB-21406306/03/200910032044Mack truck: new drv air line routing. trucks may develop an oil leak in the turbocharger oil drain tube due to abrasion from the stainless braided drv air line. the stainless braided air supply line to the discharge recirculation valve is2010-02-12
PI-67804/03/200910032014Mack truck: exhaust manifold gaskets, turbocharger and turbocharger mounting hardware replacement. mp10 engine equipped chassis. no models or model years listed *pe2010-02-03
PI-67704/03/200910032012Mack truck: turbocharger and turbocharger mounting hardware replacement. mack trucks has authorized replacement of the turbocharger and mounting hardware on certain mp10 engine equipped td model chassis. dealers has list of affected veh2010-02-03
SP-1068706/15/200910030385Mack trucks: has authorized replacement of the turbocharger and mounting hardware on certain mp8 engine equipped vehicles. no model or model years listed. *pe2009-09-28
SB-21406203/13/200910028868Mack: turbocharger smart remote actuator (sra) faults. wires within the smart remote actuator connector located on the right hand side of the engine below the turbocharger, are subject to vibration during engine operation. engine model mp7,2009-06-05
SA-214-01304/30/200810025745Mack truck: us '04 mp7 service replacement turbochargers. a cambered vane turbocharger has been released to address high cycle fatigue failure in us '04 mp7 equipped highway chassis. model and model years unknown. *pe2008-09-04
14E03611/01/199437883Engine clean air inlet tube rubbing against the turbocharger oil inlet line fitting. *tw1995-01-13
ENGINE AND ENGINE COOLING - EXHAUST SYSTEM - EMISSION CONTROL
SB-21004501/30/200810032354Mack truck: information concerning power take off (pto) installation and operation on chassis equipped with 2007 and later emission compliant mp7 and mp8 engines. no model or model years listed. *pe2010-03-10
ENGINE AND ENGINE COOLING - EXHAUST SYSTEM - EMISSION CONTROL - GAS RECIRCULATION VALVE (EGR VALVE)
FSB-293-01211/01/201210048459Mack: the old drain tube, with p-clamp, will be discarded due to replacement and the installation of new egr valves that do not require drain tubes for engines. models mp7, mp8, mp10. no model years listed. *pe2012-12-19
SB-293-1110/01/201110043095Mack truck: bulletin providing procedure information on egr cooler being pressure tested on the engine and also removed from the engine. no model or model years listed. *pe2012-02-21
ENGINE AND ENGINE COOLING - EXHAUST SYSTEM - MANIFOLD/HEADER/MUFFLER/TAIL PIPE
PI-67804/03/200910032014Mack truck: exhaust manifold gaskets, turbocharger and turbocharger mounting hardware replacement. mp10 engine equipped chassis. no models or model years listed *pe2010-02-03
23401407/22/2008SB-234-01410022857Exhaust pipe flange cracks at turbocharger connection - cxn and chn models equipped with aset ac engines. *nj updated 9/10/08. *pe2007-10-01
SB23400401/23/2001616638Subject regarding muffler-to-vertical exhaust pipe clamp. *tt2001-03-07
10A00701/01/199539038Exhaust flex pipe repair. *tw1995-03-01