Bulletins
| Bulletin | Bulletin date | Replacement Bulletin | Item no. | Summary | Added |
|---|---|---|---|---|---|
| ENGINE AND ENGINE COOLING - COOLING SYSTEM - FAN | |||||
| 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 | |
| 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 | Mack trucks: there are engine ecm software updates. *rm | 09/12/2011 | |
| SP-284-030 | 05/01/2011 | 10040725 | Ready | 09/12/2011 | |
| ENGINE AND ENGINE COOLING - ENGINE - DIESEL | |||||
| 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 | |||||
| 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 - 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 - 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 | |