Bulletins


BulletinBulletin dateReplacement BulletinItem no.SummaryAdded
ENGINE AND ENGINE COOLING - COOLING SYSTEM
263605/01/2002635320Reports of coolant in transmission fluid in vehicles with serck water-to-oil transmission coolers. *tt10/21/2002
204008/01/2000616470General information on the availability of the new-style coolant hose clamps. *tt02/27/2001
203610/01/1999610497This service bulletin is to explain the correct use and maintenance of extended-life coolants (elc) and to identify freightliner-approved coolant types. *tt05/03/2000
091305/01/1999608386Information on cleaning the charge air cooler. *tt11/24/1999
549304/01/1999606000Subject regarding ddec iv and optimized idle problems. *tt08/05/1999
203004/01/199752359Surge tank breather cap leaking. *tw07/24/1997
ENGINE AND ENGINE COOLING - COOLING SYSTEM - FAN
98203107/01/199820-31602385General information on horton fan clutches with 32-inch fans. this sb replaces previous version dated july 1992. *yc11/03/1998
ENGINE AND ENGINE COOLING - COOLING SYSTEM - RADIATOR ASSEMBLY
092009/01/2001626587Information regarding honeywell charge air cooler parts.*jb12/17/2001
ENGINE AND ENGINE COOLING - ENGINE
017006/01/200310003381Caterpillar 3126 engine parameter programming. *tt10/17/2003
016002/01/2002631378Subject on new oil fill tube for caterpillar c-15 and c-16 engines. *yh05/23/2002
SF210A07/01/2000614504Subject regardng the pacbrake p-80 retainer screws on vehicles with model year 2000 detroit diesel 60 engines with pacbrake engine brakes. *tt10/24/2000
203801/01/2000610518General information regarding the cummins n14 engines using texaco extended life coolant. *tt05/04/2000
9830808/01/1998603344Conditions with engine brake sometimes inoperative on vehicles with ddec iii engines built from july 24, 1997. *yc02/18/1999
98548509/01/1998603284General information on optimized idle low voltage run time. *yc02/16/1999
98491505/01/1998601540Concerns with upper muffler-mounting bracket loosening. *yc08/07/1998
98547102/01/1998601159General information on the optimized idle feature on vehicles equipped with a ddec iii engine and ess. *yc07/06/1998
ENGINE AND ENGINE COOLING - ENGINE - GASOLINE
014404/01/20020144635296The purpose of this bulletin is to make the engine manufacturers' recommended oil fill capacity information for the common engine models more readily available to the field. *tt10/21/2002
016403/01/2002632392Subject regarding mbe engine support information. *tt07/15/2002
015703/01/2002631380Information regarding caterpillar engine drive belt noise. *yh05/23/2002
015912/01/2000616484Subject regarding cummins isx engine oil check and fill. *tt03/01/2001
5411002/01/2000610508Some engines on vehicles equipped with an alternator no-charge light may not shut down promptly when the ignition is turned off. *tt05/03/2000
014807/01/1998609780The mounting clamps on some vertically mounted bencon lil resrvoirs cannot be adequately tightned. this could cause the reservoir to slide down inthe clamp, causing damage to the sight-tube fitting. yd04/10/2000
015105/01/1999606728Information pertaining to exhaust odors from 1998 detroit diesel series 60 engines. *tt09/01/1999
010504/01/1999606116Information regarding caterpillar adem iii engines operating with eaton auto shift transmissions. *tt08/10/1999
98203312/01/1998603175General information regarding cummins n14 drive belt misalignment. *yc02/05/1999
ENGINE AND ENGINE COOLING - ENGINE - GASOLINE - BELTS AND ASSOCIATED PULLEYS
016603/01/2003016610001404Caterpillar serpentine main drive belt retention. *tt05/02/2003
016611/01/200210000596Caterpillar serpentine main drive belt may jump a rib on the crankshaft pulley or the forward edge of the belt may be sheared off. *tt03/25/2003
015704/01/20020157635298Some caterpillar engine accessory drive belts may exhibit a squealing noise that is associated with belt slippage. *tt10/21/2002
838510/01/2000619076Information on a redesigned a/c belt available for vehicles with a cummins m11 or ism engine and a poly-vee (serpentine) a/c belt drive. *tt05/14/2001
837610/01/20008376619068Vehicles with a caterpillar c/10 or c/12 engine that were built before june 7, 2000 may experience problems with the refrigerant compressor drive belt. *tt05/11/2001
SF194A01/01/2000612126On some vehicles manufactured at the cleveland truck plant between october 4, 1999 and october 11, 1999, the belt for the series 60 accessory drive was substituted with a different belt during production. the substituted belt must be rep06/06/2000
836711/01/1999610491This service bulletin applies to vehicles built before november 6, 1998 that were equipped with caterpillar c10 or c12 engines. the automatic tensioner for the refrigerant compressor belt drive on these vehicles may wear prematurely.05/03/2000
SF174AB03/01/1999607333Vehicles manufactured between may 1, 1998 and december 7, 1998 equipped with quadramount alternator / ac compressor mount on the series 60 may have quadramount tensioners incorrectly installed with a lockwasher instead of the proper flatwas09/20/1999
98014911/01/1998602717Some vehicles equipped with a caterpillar 3406e engine and a serpentine - ribbed belt drive for the fan and alternator are showing signs of premature drive belt wearing and failure. *yc01/07/1999
98836710/01/1998602720General information on tensioner wear. *yc01/07/1999
98203302/01/1998601161Checking and adjustment on pulley alignment. *yc07/06/1998
ENGINE AND ENGINE COOLING - EXHAUST SYSTEM - MANIFOLD/HEADER/MUFFLER/TAIL PIPE
491907/01/19994919608385Information on the new supplier for exhaust flex tubing. this service bulletin replaces the previous version dated april 1999. *tt11/24/1999
491904/01/1999606133Information regarding the new supplier for exhaust flex tubing. *tt08/10/1999
98491811/01/1998602714General information regarding muffler mounting. *yc01/07/1999