Bulletins


BulletinBulletin dateReplacement BulletinItem no.SummaryAdded
ENGINE AND ENGINE COOLING
SB-262-00812/01/201010037935Ready06/08/2011
SB-262-00812/01/201010037935Mack trucks: there is a new thermostat seal and cover to prevent coolant leakage. *rm06/08/2011
ENGINE AND ENGINE COOLING - COOLING SYSTEM - HOSE
SB-258-02505/01/201110041574Mack truck: replacement of aftertreatment diesel exhaust fluid (def) coolant hose replacement. *pe10/05/2011
FSB-293-01107/01/201110040514Mack trucks: there are new egr outlet hose clamps. *rm08/31/2011
FSB-293-01107/01/201110040514Ready08/31/2011
ENGINE AND ENGINE COOLING - ENGINE
FSB-255-02304/01/201210044247Mack 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 include05/24/2012
SP-284-03005/01/201110040725Ready09/12/2011
SP-284-03005/01/201110040725Mack trucks: there are engine ecm software updates. *rm09/12/2011
ENGINE AND ENGINE COOLING - ENGINE - DIESEL
SP-284-02812/01/201010037914Mack truck: there is a software update. *rm06/07/2011
SP-284-02812/01/201010037914Ready06/07/2011
ENGINE AND ENGINE COOLING - ENGINE - OTHER FUEL TYPES - TURBO-CHARGER
FSB-255-024-0305/01/201210044324Mack: 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. *pe06/12/2012
ENGINE AND ENGINE COOLING - EXHAUST SYSTEM
SP-373-01405/01/201110040729Ready09/12/2011
SP-373-01405/01/201110040729Mack trucks: connector plugs for the fuel heater solenoid may be missing. *rm09/12/2011
FSB-258-02705/01/201110040695Mack trucks: the fuel level guage may read incorrectly when the vehicle is filled. *rm09/07/2011
FSB-258-02705/01/201110040695Ready09/07/2011
ENGINE AND ENGINE COOLING - EXHAUST SYSTEM - EMISSION CONTROL - GAS RECIRCULATION VALVE (EGR VALVE)
PI-079608/01/201210045822Mack 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. *pe09/17/2012
FSB-293-01107/01/201110040514Mack trucks: there are new egr outlet hose clamps. *rm08/31/2011
FSB-293-01107/01/201110040514Ready08/31/2011