Bulletins


BulletinBulletin dateReplacement BulletinItem no.SummaryAdded
ENGINE AND ENGINE COOLING - ENGINE
PIP-469509/01/200910032435Gm: loss of power hesitates on acceleration. 4.3, 4.8, 5.3, 5.7 and 6.0 engines coupled with the 4l60e or 4l65e may experience a condition of hesitates, misses or loss of power under acceleration. the vehicle may operate as if it is in r03/24/2010
02060405210/01/200210000167Engine stall, no start, hard start condition. *tt02/13/2003
ENGINE AND ENGINE COOLING - ENGINE - GASOLINE
010601029A06/01/2002010601029634831Subject regarding higher than expected engine oil consumption. *tt10/09/2002
02060100205/01/2002634712Information on vehicles exhibiting a random engine ticking noise. *tt10/07/2002
02060102304/01/2008020601023E634716Oil leak at oil cooler to engine block mating surface (replace o-rings, apply sealant). *tt updated *eh updated 6/17/08. *nj10/07/2002
25010201/25/2002629718Some vehicles may comment on continued oil consumption with blue or whitish smoke on start up. *tt04/05/2002
02060400502/01/2002629495Subject regarding revised diagnostic trouble code p1221 service manual information. *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
000604003A12/01/2001000604003628905Some customers may comment on rough idle after start up, especially after setting overnight. *tt03/22/2002
01060102812/01/2001628896Some vehicles may exhibit an engine knock noise on cold start. *tt03/21/2002
01060102912/01/2001628898Some customers may comment on higher than expected engine oil consumption. *tt03/21/2002
01060102209/01/2001625287Subject on information on engine knock on cold start for pickup and utility models. *et11/19/2001
010139002A08/01/2001625274Subject regarding noise in engine compartment with air conditioning (a/c) on, a/c system inoperative (install redesigned rear a/c suction hose, replace compressor). *yd11/19/2001
01060101908/01/2001624078Some customers may comment on excessive engine vibration at idle on various 1998 - 2001 medium duty models including chevrolet and gmc f models. *tt11/01/2001
ENGINE AND ENGINE COOLING - ENGINE - GASOLINE - BELTS AND ASSOCIATED PULLEYS
02060100702/01/2002629454Some owners of certain pickup models may comment on an accessory drive noise. *tt04/02/2002