Bulletins


BulletinBulletin dateReplacement BulletinItem no.SummaryAdded
ENGINE AND ENGINE COOLING
02060406012/01/200210000739Automatic engine shutdown feature. *tt03/28/2003
ENGINE AND ENGINE COOLING - ENGINE
866503A09/01/199886-65-03603825Subject regarding obd ii diagnostic trouble code (dtc) p1404 (reflash vcm). *yc03/08/1999
ENGINE AND ENGINE COOLING - ENGINE - DIESEL
03060401402/01/200310001114Oil present around turbo area, oil level low, oil pressure gauge may drop. *tt04/15/2003
02060300203/01/2002631668Customers may complain that the engine will not start. *jg06/10/2002
02060300203/01/2002631256Customers may complain that the engine will not start. *slc05/21/2002
ENGINE AND ENGINE COOLING - ENGINE - GASOLINE
02060102406/01/2002634798On certain vehicles, such as the chevrolet and gmc wt 5500 medium duty tilt cab models, the engines may experience rocker arm damage or rocker bridge damage following overhaul of the cylinder head if the valve bridge stud installed depth is10/09/2002
02060400602/01/2002629484Some customers may comment on service engine soon lamp on, malfunction indicator lamp illuminations intermittently, diagnostic trouble code set, blown fuses, and engine will not start. *tt04/02/2002
000601023A12/01/2001000601023628938Information used when diagnosing noise conditions such as engine rattle noise, spark knock at 2000 - 2500 rpm range, under a moderate to heavy load with a warmed up engine. *tt03/25/2002
99066D12/01/200199066C628925Some owners may experience a service engine soon light, misfire, rough idle orhard start due to a deposit build-up on the sequential central port fuel inujector (scpi) poppet valve(s). *tt03/25/2002
000604003A12/01/2001000604003628905Some customers may comment on rough idle after start up, especially after setting overnight. *tt03/22/2002
01060201111/01/2001627731Information regarding chevrolet and gmc 6-7f medium duty tilt cab models with isuzu diesel engine, engine overheats, temperature gauge reads hot, audible warning alarm sounds, and check gauge lamp on. *yh02/15/2002
00060401404/01/20006091427Some customers may comment on hard, no, or slow start, backfire or kickback during crank / start, grinding or unusual noises during crank, diagnostic trouble code p0338. *tt10/11/2000
99066B05/01/200099066A613602Some owners may experience a service engine soon light, misfire, rough idle or hard start. **mr07/25/2000
9907801/01/2000609695Certain vehicles equipped with diesel engines may exhibit engine air induction contamination. *tt04/06/2000
99060102010/01/19996089154Some customers may comment about a knocking or grinding noise with the engine running. *tt01/14/2000
99060102010/01/19996088933Vehicles may exhibit a knocking or grinding noise with the engine running. *tt01/11/2000
ENGINE AND ENGINE COOLING - EXHAUST SYSTEM
86650307/01/1998615078Some vehicles may set a false obd ii with diagnostic trouble code p1404. *tt12/27/2000