Bulletins

BulletinBulletin dateReplacement BulletinItem no.SummaryAdded
ENGINE AND ENGINE COOLING
ITS-508801/09/201310049039New flyer: information being provided regarding the 12 volt coil valve replacing the existing 24 volt coil scr valve. no model or model years listed. *pe01/09/2013
TSIB-12-0310/18/201210048642New flyer: due to engine oil cooler spacer being installed incorrectly, which can causes a lost of oil and engine damage, the gasket sealed end, on engine oil cooler spacer, should face up towards engine block. model new flyer buses. no m12/28/2012
1717A06/01/2002631850Subject on installation the charge air fan override on cummins 8.3 gas engines for 30, 65, 40 ft cng. *slc06/20/2002
ENGINE AND ENGINE COOLING - COOLING SYSTEM
ITS-512601/09/201310049059New flyer: procedural information regarding the removal of the existing cac tube, islg 425053 and installing the new cac tube 485292 that is replacing it. no model or model years listed. *pe01/09/2013
1571A07/11/2001621659Subject regarding additional newflyer service manual maintenance instructions for servicing the hydraulic fan drive pump (permco) and power steering pump (vickers) on a d30lf, d35lf, d40lf, c30lf, c35lf, c40lf coaches with a cummins 8.3 eng09/28/2001
1478A01/01/2001615662Subject pertaining to correct orientation of cac tube support brackets for improved clearances on cng fuel lines, filters and engine sensors. *tt01/26/2001
1409A01/01/2000615659Information on changing the coolant surge tank pressure relief valve. *tt01/26/2001
1117C01/01/1999605015Subject regarding installation of two wire coolant level sensor to improve grounding. *tt05/24/1999
ITS1012A03/23/1998601111Splash guard on hydraulic pump is cracking due to engine vibration. *yc07/01/1998
97050898827A04/29/1998600186Condition with transmission cooler is leaking coolant throughout the cracks. *yc04/29/1998
ENGINE AND ENGINE COOLING - COOLING SYSTEM - FAN
ITS-402407/09/200910030544New flyer buses: to remove and replace emp fans on roof. models 40ft; 60ft; dsl; elec; *pe10/21/2009
1204A06/01/2002631926Subject regarding modification of fan drive system to prevent oil cooler failures for 60ft dsl. *slc06/25/2002
1220A01/01/1999607933Subject regarding addition of wire to prevent the engine cooling fan from operating in full on mode. *tt10/19/1999
ENGINE AND ENGINE COOLING - COOLING SYSTEM - HOSE
ITS-518401/09/201310049099New flyer buses: procedural instructions on the def pressure hose assembly and to check for gaps or tears and reroute directly to scr doser injector. no model or model years listed. *pe01/09/2013
1565A01/01/2001620670This is a product improvement for replacing the existing 77c hydraulic fan drive pump discharge hose. *tt08/20/2001
ENGINE AND ENGINE COOLING - COOLING SYSTEM - RADIATOR ASSEMBLY
1661A01/01/200310003233Addition of a secondary screen to the radiator access door to prevent debris from collecting on the radiator. *tt10/14/2003
1444A01/01/2000614833Information on disconnecting the new flyer enigne temperature sensor for the cummins c8.3g engine which is causing the coach to shutdown prematurely. *tt12/14/2000
925A12/12/1997605475Information on replacing surge tank pressure relief cap which is spitting coolant. *tt07/06/1999
97021998792A04/27/1998600173Cac. and radiator pipe supprot bracket installed is still breaking. *yc04/27/1998
ENGINE AND ENGINE COOLING - ENGINE
ITS-488704/19/201210043965New flyer: install bussman box covers. *kb05/03/2012
ITS-473112/01/201110043186New flyer: on some trucks, in the engine compartment, the curbside amerex optical sensor will be relocate. *pe02/29/2012
1717C07/01/200310002919Install the charge air fan override on cummins 8.3 gas engines, utilizing o:1.0/08 and wire en30a. *tt10/01/2003
1724B07/01/200310002920Install the charge air cooler fan override on cummins 8.3 gas engines. *tt10/01/2003
1760A01/01/200310002236Removal of the cummins' engine lift eye to prevent interference with the webasto lines. the webatso coolant intake tube is rubbing on the engine lift eye. *tt08/18/2003
1794A01/01/2002632452Information on replacing the side motor mount bolts. *tt07/16/2002
1784A01/01/2002631277Subject regarding reconnection of the atc valve and verification test procedure. *tt05/21/2002
1702A12/13/2001626226Subject regarding replace the existing welded charge air cooler (cac) support bracket on the front of a series 50 engines with a two piece bolt together heavy-duty support bracket. *yd12/13/2001
1680A12/13/2001626191Subject regarding about replacing the c8.3 engine a/c mounting plate assembly. *yd12/13/2001
1691A01/01/2001622548Information on relocation of the dual spectrum curbside ir fire sensor for d40lf models. *tt10/19/2001
1386A01/01/2001618672This bulletin states that p-clamps support the hydraulic high pressure line for a single pump setup as it runs across the front face of a series 50 engine. the p-clamps are prone to breaking due to engine vibration. a new bracket and ho04/19/2001
1133A01/01/1999604800Information on turbo exhaust elbow brackets. *tt06/28/2000
1246A01/01/2000612514Information on repairing the cracked frame at the engine mounts. *tt06/08/2000
1181B01/01/2000610523Subject regarding installing an inside idler pulley configuration for a 2 groved v-band belt. *tt05/04/2000
1181A01/01/1999607981Subject pertaining to installation of an inside idler pulley. *tt10/26/1999
1096A01/22/1999602972Replacement of engine mounts because of poor welds. *yc01/22/1999
988A01/22/1999602969Conditions with bypass oil filter (spinner) needs separate from alternator oil supply and return in order to improve the alternator oil circulation. *yc01/22/1999
ITS928B05/27/1998602006Conditions with the return hydralic hose fitting-adapter installed on the motor switching valve is leaking and the leak is very difficult to tighten. *yc09/02/1998
97120998928A04/29/1998600184Procedures on the hydraulic hose fitting-adapter. *yc04/29/1998
97121298927A04/29/1998600183Procedure on installing a grab handle on the inside of the eng. door. *yc04/29/1998
97060898852A04/29/1998600188Existing polyester bottom mounts are melting due to the high temperature. *yc04/29/1998
96080898718A04/27/1998600155Subject on c.a.c tube support is cracking. *yc04/27/1998
96112798773A04/27/1998600172Rh engine strut bracket has to be reinforced. *yc04/27/1998
97102298896A04/27/1998600162Engine fast idle and other electronic control functions are intermittently malfunctioning due to the overload on the ecm speed signal output. *yc04/27/1998
9610319876104/27/1998600156Existing cords are stretching due to poor crimping of the clamps. *yc04/27/1998
97100698882A04/27/1998600168Procedures on cac support bracket and clamp that are breaking. *yc04/27/1998
ENGINE AND ENGINE COOLING - ENGINE - DIESEL
ITS-477011/01/201110042010New flyer: procedure for installing dust shields for engines., *pe11/22/2011
ITS-461206/01/201110038555New flyer: procedure to reduce noise level by modifying the hydraulic reservoir. *rm06/20/2011
ITS-461206/01/201110038555Ready06/20/2011
ENGINE AND ENGINE COOLING - ENGINE - GASOLINE
1832A01/01/2002635903Information on replacing the hydraulic pump with a new pump using a back to back seal used on d60lf. *tt11/02/2002
1756A01/01/2002635280Information on replacing the air compressor intake line with an improved design. *tt10/21/2002
1691A12/13/2001626204Subject regarding relocating the dual spectrum curbside ir fire sensor. *yd12/13/2001
1060A05/19/1998614716Service information on replacing oil pressure hose. *tt12/11/2000
1037A01/21/1999602942Subject on engine location must be moved to prevent over collapse of driveshaft. *yc01/21/1999
ENGINE AND ENGINE COOLING - EXHAUST SYSTEM
ITS-515801/09/201310049060New flyer buses: procedural information regarding the replacement and removal of the exhaust flex connector and necessary adjustment of exhaust tubes and/or muffler for proper alignment. no model or model years listed.01/09/2013
211908/01/200310003096Turbo exhaust tube bracket installation. *tt10/08/2003
202701/01/200310001462Remove the existing exhaust system and replace with an updated installation. *tt05/07/2003
1217A01/01/2000610521Information on refurbishing exhaust systems that use polyurethane or steel springs for mounting the muffler. *tt05/04/2000
1120B01/01/1999608320Installation procedures to install exhaust elbow bracket to maintain exhuast system alignment and allow flex connector to operate properly. *tt11/23/1999
97111298900A04/27/1998600160Exhaust elbow tube installed after turbo is cracking at the circular butt weldment and at the support bracket weldment. *yc04/27/1998
97121198900B04/27/1998600159Condition with tube exhaust turbo is cracking at the circular butt weldment and at the support bracket weldment. *yc04/27/1998
ENGINE AND ENGINE COOLING - EXHAUST SYSTEM - EMISSION CONTROL
01010301/01/200310003231Relocation of the air restriction indicator's hose assembly from air intake tube to air cleaner assembly. *tt10/10/2003
ENGINE AND ENGINE COOLING - EXHAUST SYSTEM - MANIFOLD/HEADER/MUFFLER/TAIL PIPE
ITS-527402/12/201310050943New flyer: information and instructions being provided regarding the replacement and removal of the exhaust flex connector. no model or model years listed. *pe02/12/2013
1564B01/01/2002631278Information on accessing the air muffler tank drain valve. *tt05/21/2002
1207A01/01/1999608317Modification of the lower muffler mount for a series 50 detroit diesel low floor. *tt11/23/1999

Some parts © 2024 Advameg, Inc.
Based on public records. Inadvertent errors are possible.
This web site is not associated with, endorsed by, or sponsored by and has no official or unofficial affiliation with the vehicle's manufacturer.