Bulletins


BulletinBulletin dateReplacement BulletinItem no.SummaryAdded
ENGINE AND ENGINE COOLING
21502203/18/200321502210001223Recommended low-mount water pump for cx model chassis with e-tech e7-427 engine and enhanced cooling package. *scc04/24/2003
23201811/06/200210000512Fan ring boot clamp retention. *tt02/28/2003
SB23201602/12/2002SB232016631912Subject regarding cooling system enhancements for vehicles equipped with either an e-tech 427 or 460 engine. *slc06/25/2002
ENGINE AND ENGINE COOLING - COOLING SYSTEM
SB23201711/30/2001626016Subject regarding fan drive air line routing. *tt12/12/2001
SB23201607/10/2001SB232016620781Subject regarding cooling system enhancements for model chassis equipped with either an e-tech 427 or 460 engine experiencing higher than normal engine operating temperatures. *tt08/29/2001
SB23201603/13/2001SB232016620025In certain operating environments (pulling heavy loads up long, steep grades at high altitudes during periods of high ambient temperatures), certain model chassis equipped with either an e-tech 427 or 460 engine may experience higher than n07/09/2001
SB23201612/19/2000616186In certain operating environments (pulling heavy loads up long, steep grades at high altitudes during periods of high ambient temperatures), certain model chassis equipped with either an e-tech 427 or 460 engine may experience engine overhe02/14/2001
SB23201206/22/1999606635Subject regarding an improved coolant recovery bottle vent cap arrangement available for certain model chassis that may be experiencing coolant leakage due to excessive agitation of coolant inside the recovery bottle. *tt08/30/1999
ENGINE AND ENGINE COOLING - COOLING SYSTEM - FAN
SB21501706/29/2001620761On certain model chassis equipped with kysor fan drives, the air line that runs from the fan drive control valve to the fan drive may be severed by the engine fan blades. *tt08/29/2001
ENGINE AND ENGINE COOLING - ENGINE
56309/24/200310004649On certain model chassis equipped with an aset ac engine prior to engine serial no. 3o0297, the mounting bolts that secure the vtg actuator flange to the turbine housing on the variable turbine geometry (vtg) turbocharger may loosen in serv12/29/2003
21502210/15/200210000222Recommended low-mount water pump for cx model chassis with e-tech e7-460 engine and enhanced cooling package. *tt02/19/2003
SB23302407/31/2001SB233024620805Subject regarding inlet air duct maintenance. *tt08/30/2001
SB23302406/29/2001620771Information pertaining to inlet air duct maintenance. *tt08/29/2001
SB29900406/15/1999606640Subject on the new-type engine rear mounting arrangement. *tt08/30/1999
ENGINE AND ENGINE COOLING - ENGINE - GASOLINE
SB23302204/24/2001620352Information pertaining to the air cleaner cover fastener retrofit kitfaor various model chassis including cx chassis. *tt08/03/2001
ENGINE AND ENGINE COOLING - ENGINE - GASOLINE - BELTS AND ASSOCIATED PULLEYS
56108/29/200310003087Fan drive idler pulley replacement. *tt10/08/2003
21600210/29/200221600210000224Fan belt breakage. *tt02/20/2003
SB21600203/22/2002SB216002632407Information on eliminating fan belt breakage. *tt07/15/2002
SB21600210/23/2001626276On some vehicles equipped with an e-tech e7-460 engine and an air-operated fan drive may exhibit fan belt breakage. a new heavy-duty fan belt has been implemented. *tt12/13/2001