Bulletins
| Bulletin | Bulletin date | Replacement Bulletin | Item no. | Summary | Added |
|---|---|---|---|---|---|
| ENGINE AND ENGINE COOLING - COOLING SYSTEM | |||||
| FB-284-027 | 11/01/2010 | 10037304 | Mack: there are engine diagnostic trouble codes and there may need to be a software update. *rm | 05/18/2011 | |
| FB-284-027 | 11/01/2010 | 10037304 | Ready | 05/18/2011 | |
| ENGINE AND ENGINE COOLING - COOLING SYSTEM - HOSE | |||||
| PI-0746 | 10/01/2011 | 10042144 | Mack trucks: on certain trucks (chu, cxu gu td), all aftertreatment diesel exhaust fluid (def) coolant hoses are to be replaced. *pe | 11/28/2011 | |
| 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 | Ready | 09/12/2011 | |
| SP-284-030 | 05/01/2011 | 10040725 | Mack trucks: there are engine ecm software updates. *rm | 09/12/2011 | |
| ENGINE AND ENGINE COOLING - ENGINE - DIESEL | |||||
| FSB-258-030 | 11/01/2011 | 10042490 | Mack truck: between aftertreatment hydrocarbon dosing module initial design and boss on mp8 engine, an interference was discovered. it prevents bracket and aftertreatment hydrocarbon dosing module from mounting flush to surface of engin | 12/12/2011 | |
| PI-0746 | 10/01/2011 | 10042144 | Mack trucks: on certain trucks (chu, cxu gu td), all aftertreatment diesel exhaust fluid (def) coolant hoses are to be replaced. *pe | 11/28/2011 | |
| 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-214-024 | 11/01/2010 | 10037488 | Mack trucks: if there is a failed outer valve spring there is a replacement procedure. *rm | 05/24/2011 | |
| SB-214-024 | 11/01/2010 | 10037488 | Ready | 05/24/2011 | |
| 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 | |