Bulletins
| Bulletin | Bulletin date | Replacement Bulletin | Item no. | Summary | Added |
|---|---|---|---|---|---|
| ENGINE AND ENGINE COOLING | |||||
| 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 | |||||
| SP-263-047 | 06/01/2011 | 10040724 | Ready | 09/12/2011 | |
| SP-263-047 | 06/01/2011 | 10040724 | Mack trucks: there may be incorrect torque specifications on the fan hub assembly. *rm | 09/12/2011 | |
| 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 | |
| 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-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 | |
| 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 | |
| SP-284-030 | 05/01/2011 | 10040725 | Mack trucks: there are engine ecm software updates. *rm | 09/12/2011 | |
| SP-284-030 | 05/01/2011 | 10040725 | Ready | 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 | |
| ENGINE AND ENGINE COOLING - ENGINE - DIESEL | |||||
| 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 | |||||
| SB 234022 | 05/29/2008 | 10025563 | Interference between exhaust pipe u-bolt and sleeper rail. (not applicable to mack trucks australia). *pe | 08/21/2008 | |
| ENGINE AND ENGINE COOLING - EXHAUST SYSTEM - EMISSION CONTROL - CATALYTIC CONVERTOR | |||||
| SP-252-002 | 01/01/2011 | 10040064 | Ready | 08/16/2011 | |
| 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 | |
| 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 | |