Bulletins
| Bulletin | Bulletin date | Replacement Bulletin | Item no. | Summary | Added |
|---|---|---|---|---|---|
| ENGINE AND ENGINE COOLING - COOLING SYSTEM | |||||
| 98237 | 11/23/1998 | 603721 | Some vehicles experience heater supply tubes that may crack and/ or leak coolant. *yc | 03/03/1999 | |
| 982116 | 11/01/1998 | 603679 | The lower radittor hose is being pulled off at the engine water pump on some vehicles. *yc | 03/01/1999 | |
| 98711 | 04/13/1998 | 601366 | Information on availability of revised coolant level sensor. *yc | 07/27/1998 | |
| 970902971815 | 09/02/1997 | 54080 | Some vehicles fan clutch may cycle on when electrical accessories, such as turn signals, headlamps, etc. are activated. *yc | 03/30/1998 | |
| ENGINE AND ENGINE COOLING - COOLING SYSTEM - FAN | |||||
| 9811468 | 04/01/1998 | 613380 | Some models with cat c10/c12 engines may exhibit cracks in the engine front cover, near the fan hub pulley support mounting contac studs. *tt | 07/10/2000 | |
| 98425 | 03/02/1998 | 601286 | Diagnostic informatin and wiring schematics for both the horton and kysor engine cooling fan clutches. *yc | 07/16/1998 | |
| BC2444970501 | 05/01/1997 | 52842 | Vehicles equipped with cummins m-11 and n-14 select plus engines may exhibit the air operated cooling fan running continuously if the engine ecm fan control parameters are set incorrectly. *tw | 09/18/1997 | |
| 97412 | 02/17/1997 | 51698 | Cooling system- engine cooling fan cracks at center hub. *jd | 06/27/1997 | |
| ENGINE AND ENGINE COOLING - COOLING SYSTEM - RADIATOR ASSEMBLY | |||||
| 11755 | 08/01/1998 | 615257 | Some vehicles with the caterpillar 3306 engine may exhibit the lower radiator hose being disconnected from the engine water pump outlet. *tt | 01/10/2001 | |
| 9944 | 03/08/1999 | 604752 | Procedures on repairing broken radiator coolant supply tank vent hose nipples. *tt | 05/11/1999 | |
| BC0840961008 | 10/08/1996 | 50425 | Coolant temp gauge may read on the high or hot side of normal, caused by location of coolant temp sensor. *tt | 04/24/1997 | |
| ENGINE AND ENGINE COOLING - ENGINE | |||||
| 98157 | 08/03/1998 | 609537 | Front engine cover cracks. yd | 04/03/2000 | |
| 970902971817 | 09/02/1997 | 54082 | Some electronically controlled diesel engines can be modified to increase engine output by altering the original engine management system. *yc | 03/30/1998 | |
| 970902971816 | 09/02/1997 | 54081 | The front end accessory drive (fead) belt may wear and/or come off on some vehicles equipped with a detroit diesel engine and air conditioning. *yc | 03/30/1998 | |
| BC2234970501 | 05/01/1997 | 52775 | Vehicles may exhibit rear engine support bracket attatching bolts loosening. *tw | 09/12/1997 | |
| BC3235970211 | 02/11/1997 | 51860 | Fd 1060 engines - dipstick rubbing against crankshaft. *tw | 07/17/1997 | |
| BC3350972301 | 01/23/1997 | 51443 | Engine derate (reduction in engine-power) possibly intermittent- intermitten speedometer or speed control function. *jd | 06/27/1997 | |
| BC1026897020 | 02/01/1997 | 51708 | The dipstick rubbing against the engine crankshaft. *jd | 06/27/1997 | |
| ENGINE AND ENGINE COOLING - ENGINE - DIESEL | |||||
| 97517 | 03/03/1997 | 51957 | Engine- diesel- fd1060 and fd1460- white smoke from exhaust- service tip. *jd | 07/17/1997 | |
| BC0193970201 | 01/02/1997 | 51135 | Revised fan assemblies for premium diesel engines are now available. *jd | 06/27/1997 | |
| ENGINE AND ENGINE COOLING - ENGINE - GASOLINE | |||||
| 982118 | 11/01/1998 | 603681 | A noise heard during driveline torque. | 03/01/1999 | |
| ENGINE AND ENGINE COOLING - ENGINE - GASOLINE - BELTS AND ASSOCIATED PULLEYS | |||||
| 98257 | 12/21/1998 | 603645 | Concerns with the front end accessory drive belt ( fead )-fead belt may wear and/or come off. *yc | 03/01/1999 | |
| BC3157970219 | 02/19/1997 | 51758 | Fead belt may or roll off - vehicles equipped with fd 1460 engine. *tw | 07/17/1997 | |
| 97518 | 03/03/1997 | 51958 | Front end accessory drive belt (fead)- fead belt may wear and/or come off- vehicles equipped with fd1460 engine built through 12/96. *jd | 07/17/1997 | |
| BC3278970207 | 02/07/1997 | 51875 | Air conditioning compressor belt may come off drive pully. *tw | 07/17/1997 | |
| BC3093970225 | 02/25/1997 | 51697 | A/c compressor drive belt or alternator drive belt rolling off drive pulleys. *tw | 06/27/1997 | |
| ENGINE AND ENGINE COOLING - EXHAUST SYSTEM | |||||
| 982520 | 12/21/1998 | 603657 | Some vehicles equipped with frame-mounted vertical muffler supports may exhibit a crack along the pipe bend. *yc | 03/01/1999 | |
| ENGINE AND ENGINE COOLING - EXHAUST SYSTEM - EMISSION CONTROL - CATALYTIC CONVERTOR | |||||
| 97630 | 03/17/1997 | 52015 | Hard starting- possible plugged catalytic converter/muffler (ccm)- vehicles built after 11/29/93 equipped with 1994 emission level fd1060 or fd1460 diesel engine. *jd | 07/17/1997 | |
| ENGINE AND ENGINE COOLING - EXHAUST SYSTEM - MANIFOLD/HEADER/MUFFLER/TAIL PIPE | |||||
| 97010510638 | 05/01/1997 | 52916 | The vertical exhaust heat shield may exhibit cracking around its mounting bolt hole. *yc | 10/30/1997 | |