Bulletins
Bulletin | Bulletin date | Replacement Bulletin | Item no. | Summary | Added |
---|---|---|---|---|---|
ENGINE AND ENGINE COOLING | |||||
SP-218-001 | 07/01/2011 | 10040396 | Mack trucks: there are four missing bolts in the engine frame and mount. *rm | 08/29/2011 | |
SP-218-001 | 07/01/2011 | 10040396 | Ready | 08/29/2011 | |
SB 531014 | 05/21/2008 | 10025568 | Revised air compressor discharge line - mp8 engines. (also applies to mack trucks australia). *pe | 08/21/2008 | |
ENGINE AND ENGINE COOLING - COOLING SYSTEM - FAN | |||||
SB-263-046 | 12/01/2010 | 10037725 | Mack: fan rings are cracking during extreme service. *rm | 06/06/2011 | |
SB-215035 | 04/03/2009 | 10030190 | Mack truck: revised fan hub mounting bolt torque. for this application only, the fan hub mounting stud material properties and length have been changed. stud material is now grade 10.8 (previously was grade 8.8), and the stud length has bee | 08/14/2009 | |
SB-21-5035 | 10/17/2008 | 10027767 | Mack truck: revised fan hub mounting bolt torque. for this application only, the fan hub mounting stud material properties and length have been changed to 45mm (was 40mm) to ensure full nut engagement. model years unknown. * | 02/02/2009 | |
SB 215-033 | 07/18/2008 | 10025851 | Mack truck: revised fan ring bracket mounting screws. a longer mounting screw (part no. 945444) for the left-side fan ring mounting bracket was implemented into production on all cxu, chu and gu model chassis. *pe | 09/10/2008 | |
SB 232028 | 05/30/2008 | 10025564 | Fan ring to fan shroud clearance on gu model chassis equipped with either an mp7 or mp8 engine. *pe | 08/21/2008 | |
ENGINE AND ENGINE COOLING - COOLING SYSTEM - HOSE | |||||
FSB-293-011 | 07/01/2011 | 10040514 | Mack trucks: there are new egr outlet hose clamps. *rm | 08/31/2011 | |
FSB-293-011 | 07/01/2011 | 10040514 | Ready | 08/31/2011 | |
ENGINE AND ENGINE COOLING - ENGINE | |||||
FSB-255-023 | 04/01/2012 | 10044247 | 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 | 05/24/2012 | |
FSB-212-002 | 04/01/2012 | 10044248 | 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 | 05/24/2012 | |
SP-284-030 | 05/01/2011 | 10040725 | Ready | 09/12/2011 | |
SP-284-030 | 05/01/2011 | 10040725 | Mack trucks: there are engine ecm software updates. *rm | 09/12/2011 | |
P-1672 | 09/18/2008 | 10026506 | Exhaust rocker arm, combustion sealing washer and unit injector yoke replacement. *pe | 11/03/2008 | |
SB 329007 | 04/22/2009 | 10025562 | Transmission oil cooler piping revision. *pe updated 7/8/09. model years unknown. *pe | 08/21/2008 | |
SB 232028 | 05/30/2008 | 10025564 | Fan ring to fan shroud clearance on gu model chassis equipped with either an mp7 or mp8 engine. *pe | 08/21/2008 | |
ENGINE AND ENGINE COOLING - ENGINE - DIESEL | |||||
SB-810-002 | 08/01/2010 | 10037019 | Ready | 04/27/2011 | |
SB-810-002 | 08/01/2010 | 10037019 | Mack truck: cab/dashboard panel cracks may form due to excessive cab flexing during extreme use of the trucks. *rm | 04/27/2011 | |
SB-215035 | 04/03/2009 | 10030190 | Mack truck: revised fan hub mounting bolt torque. for this application only, the fan hub mounting stud material properties and length have been changed. stud material is now grade 10.8 (previously was grade 8.8), and the stud length has bee | 08/14/2009 | |
P-1662 | 06/30/2009 | 10027205 | 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 | 01/09/2009 | |
ENGINE AND ENGINE COOLING - ENGINE - GASOLINE - TURBO-CHARGER | |||||
FSB-258-033 | 07/01/2012 | 10044959 | 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 | 08/08/2012 | |
SB-PI-0691 | 12/01/2009 | 10032744 | Mack truck: replacement of the turbocharger and mounting hardware on certain mp8 engine equipped trucks. the turbocharger and associated mounting hardware must be changed on all trucks involved in this campaign. *pe | 05/07/2010 | |
ENGINE AND ENGINE COOLING - ENGINE - OTHER FUEL TYPES - TURBO-CHARGER | |||||
FSB-255-024-03 | 05/01/2012 | 10044324 | 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 | 06/12/2012 | |
ENGINE AND ENGINE COOLING - EXHAUST SYSTEM - EMISSION CONTROL - CATALYTIC CONVERTOR | |||||
SP-252-002 | 01/01/2011 | 10040064 | Mack: procedure to fix the an insulation blanket in the exhaust system that can deteriorate over time. *rm | 08/16/2011 | |
SP-252-002 | 01/01/2011 | 10040064 | Ready | 08/16/2011 | |
ENGINE AND ENGINE COOLING - EXHAUST SYSTEM - EMISSION CONTROL - GAS RECIRCULATION VALVE (EGR VALVE) | |||||
PI-0796 | 08/01/2012 | 10045822 | 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 | 09/17/2012 | |
FSB-293-011 | 07/01/2011 | 10040514 | Mack trucks: there are new egr outlet hose clamps. *rm | 08/31/2011 | |
FSB-293-011 | 07/01/2011 | 10040514 | Ready | 08/31/2011 | |
ENGINE AND ENGINE COOLING - EXHAUST SYSTEM - MANIFOLD/HEADER/MUFFLER/TAIL PIPE | |||||
SP-252-001 | 01/01/2011 | 10040084 | Mack: procedure to fix the an insulation blanket in the exhaust system that can deteriorate over time. *rm | 08/16/2011 | |
SP-252-001 | 01/01/2011 | 10040084 | Ready | 08/16/2011 |