Bulletins


BulletinBulletin dateReplacement BulletinItem no.SummaryAdded
ENGINE AND ENGINE COOLING
PIP-4138K01/01/201110037933Gm: the service engine soon light is on, there is also a misfire or engine noise. there are multiple possible causes. *rm06/08/2011
PIP-4138K01/01/201110037933Ready06/08/2011
05060402403/01/200510015008Revised diagnostic trouble code (dtc) p1172 and dtc p2636. *tt05/13/2005
30453045E10013516Shudder or bind on truns in 4 hi. *eh updated 03-01-07. *kb04/20/2005
04060300202/01/200410012703Diagnostic information for intermittent vehicle no crank dead battery. *eh03/10/2005
04060300102/01/200410012670Incorrect amp code generator. *eh03/10/2005
04060403205/01/200410012601Proper method to secure fuel cap during refueling. *eh03/08/2005
30873087A10010916Crank no start, stall, hard start, and no cranking rpm. *eh12/16/2004
31933193B10010647Excessive oil consumption. *eh12/03/2004
309701/01/200410010242Oil pan or oil cooler line leak. *sc11/05/2004
310701/01/200410010197P0420 and p0430 dtsc in the detroit, michigan area with gen iii v-8 engines. *sc11/04/2004
312101/01/200410010056Exhaust vibration resonance or moan. (2004-2005 gmc denali) *sc11/03/2004
314701/01/200410009957Concerns regarding bulletin 00-02-35-003f. all full size trucks and utilities and hummer parts available. *tc11/02/2004
0205401/01/200410007740Elimination of low coolant message from dic. service vme. *tt07/09/2004
ENGINE AND ENGINE COOLING - COOLING SYSTEM
0201301/01/200402013A10007119Coolant leak from head cup plugs on gen iii engines. *mr05/26/2004
ENGINE AND ENGINE COOLING - COOLING SYSTEM - FAN
0133911/18/200310004110Hvac blower motor fan stays on in the high blower position. service vme. *tt11/18/2003
ENGINE AND ENGINE COOLING - ENGINE
PIP-485111/01/201010037492Gm: there is an intermittent engine light on due to five possible internal trouble codes. there may also be an extended crank after filling the fuel tank. *rm05/24/2011
PIP-485112/01/2010PIP-4851A10037492Gm: there is an intermittent engine light on due to five possible internal trouble codes. there may also be an extended crank after filling the fuel tank. *rm updated 5/31/11. *pe05/24/2011
PIP-485111/01/201010037492Ready05/24/2011
PIP-4492P09/01/2010PIP-4492Q10036464Buick/cadillac/chevrolet/gmc/hummer/pontiac/saab: oil consumption and/or exhaust smoke-possible pcv baffle or lifter concern. upon inspection, obvious oil will be found in the intake manifold and/or pcv vacuum tube. *pe updated 3/21/03/16/2011
PIP-4492P08/01/201010036464Buick/cadillac/chevrolet/gmc/hummer/pontiac/saab: oil consumption and/or exhaust smoke-possible pcv baffle or lifter concern. upon inspection, obvious oil will be found in the intake manifold and/or pcv vacuum tube. *pe03/16/2011
06013900204/01/2007060139002B10022260Front blower motor inoperative or may not shut off in extremely low ambient temperature conditions. *kb07/24/2007
423110021021Service vme. supplement to 00-02-35-003l. update on new i-shaft. *kb02/22/2007
05060406310/01/200510017760Lm7, l59 or l33 engines with cold start rough or incorrect idle, misfire, malfunction indicator lamp (mil) or flashing requiring o2 sensor replacement. *tt11/29/2005
05060101405/01/200510017409Oil leak under extreme cold temperatures (-34 degrees c) (-30 degrees f) or colder). *tt11/07/2005
05060402906/01/2005050604029A10017336Flexible fuel (rpo l59) rough idle, misfire, malfunction indicator lamp diagnostic trouble code p0300. *tt11/03/2005
332210017196Incorrect o2 sensors and wiring harness causing ho2 sensor heater circuit codes p0135 p0141 p0155 p0161. *tt10/27/2005
326710017155Diagnostic trouble code p0128 or engine will not reach operating temperature. *sc10/26/2005
355610016942Hard start or extended crank time on initial cold start when using alcohol blended fuels. *sc10/18/2005
32323232A100148701999 - 2005 gen ii cold engine misfire at idle with possible p0171 and/or p0174. *tt05/10/2005
04060404306/01/200410012163Unable to reset engine oil life monitor. *tt02/16/2005
04060101806/01/200410012143Information on revised design of intake gasket and related bolts for 2004 mid-year enhancement and prior year service usage. *tt02/15/2005
04060102307/01/200410012110Engine vibration/noise at idle, rough idle, steering wheel shake. *tt02/14/2005
305610010364Check engine light with a p0300 due to 2-4 cylinders misfiring on the same bank of the engine. *tt11/17/2004
305501/01/200410009666Service engine soon light with a p0300 misfire due to misfires mainly on cylinder 7. *tt10/14/2004
303801/01/200410009648Engine tick, rattle or knock noise after cylinder head gasket replacement on the 6.0l engine. *tt10/14/2004
3022A01/01/20041000961704 full size trucks and utilities with vin g, n, t, v and u engines may have a high altitude, high ambient temperature stall. *tt10/13/2004
308601/01/200410009512Whistle noise from the throttle body area on light throttle acceleration on vehicles with gen iii engines and electronic throttle. *tt10/04/2004
308701/01/200410009513Crank no start with no cranking rpm spark or injector pulse. *tt10/04/2004
302501/01/20041000883204 model year 4.8.5.3.7.6.0 gen iii engine piston pin information. *mj08/24/2004
153007601/01/200410008787Vehicles and hummer h2 with a high altitude stall. *mj08/23/2004
301801/01/200410008804Engine cylinder head cup plug coolant leak. *mj08/23/2004
301501/01/2004100087816.0l lq4 vin u engine restriction. *tt08/23/2004
04060401203/01/2006040604012C10008669Vehicle with flexible fuel will not start, stalls and will not restart, loss of power, poor performance. *tt poor performance and/or fuel gauge reads inaccurate/incorrect. *tt08/13/2004
0135301/01/200401353A10007937Engine misfire due to injector fretting corrosion. *tt07/16/2004
00872A01/01/200410007916Oil pan or oil cooler line leak on gen iii v-8 engines equipped with an oil cooler. *tt07/15/2004
0158601/01/200401586A100076688.1l changes in heads, bolts and gasket for for 2004 1/2 engines. various models including the chevrolet and gmc 2500hd/3500 my2001-2004 and 2001, 2002, and 2003 gmt 560. *mj07/07/2004
0026601/01/200400266A10007596Loss of power, hesitates on acceleration on 4.8, 5.3 and 6.0 engines coupled with the 4l60e or 4l65e transmission. *tt07/02/2004
0197201/01/200401972B10007581Erratic oil pressure gmt 610 or gmt800 with codes p0522 or p0523. *tt 01972a replaced and updated 01/01/04. *sc07/01/2004
01119A01/01/200401119B10007576Roll-out for the gen iii small block engines with iridium spark plugs. also includes 2003/2004 m/l vans. *tt07/01/2004
0193901/01/2004100065654.3 4.8 5.3 6.0 lr4 lu3 lm7 l59 lq4 lq9 engines- evap code p0442. *mr05/06/2004
0170101/01/2004100063954.8 5.3 lm4 lm7 lr4 engine - with o2 sensor codes p0135, p0141, p0155, p0161. sit bulletin 1452753. *tt04/30/2004
03060406010/01/200310004733Information on new spark plugs and gapping. various models including pontiac gto 2004. *tt01/02/2004
030603001A10/01/200303060300110004304Starter cranks after key is released (normal condition). *tt12/01/2003
01275C11/18/200310004189Some owners of 03 g-vans or 04 c/k trucks driving at high altitude with warm ambient temperatures may complain of a stall and or lack of power or running rough condition until the vehicle cools down. *tt11/21/2003
00634A11/18/200310004162Gen iii engine noise after hot soak restart. *tt11/20/2003
03060403003/01/2007030604030C10002166Multiple driveability symptoms of long or hard starts, chuggle, rough idle and light or intermittent misfire due to clogged fuel injectors. *tt08/14/2003
ENGINE AND ENGINE COOLING - EXHAUST SYSTEM
320310011729Resonance noise at idle. *eh01/31/2005
030605008B11/01/2005030605008C10005576Advance service information - exhaust system popping/snapping noise when vehicle is hot, at idle or immediately after vehicle is shut off. *tt bulletin 03-06-05-008, dated 11/01/2003 replaced. *tt03/04/2004
ENGINE AND ENGINE COOLING - EXHAUST SYSTEM - EMISSION CONTROL
05060402103/01/200510015005Revised inspection/maintenance (i/m) evaporative emission (evap) system set procedure. *tt05/13/2005
ENGINE AND ENGINE COOLING - EXHAUST SYSTEM - EMISSION CONTROL - CATALYTIC CONVERTOR
311901/01/200410010101Engineering investigation - catalytic converter replacement. *sc11/04/2004
ENGINE AND ENGINE COOLING - EXHAUST SYSTEM - EMISSION CONTROL - CRANKCASE (PCV)
PIP-4492P09/01/2010PIP-4492Q10036464Buick/cadillac/chevrolet/gmc/hummer/pontiac/saab: oil consumption and/or exhaust smoke-possible pcv baffle or lifter concern. upon inspection, obvious oil will be found in the intake manifold and/or pcv vacuum tube. *pe updated 3/21/03/16/2011
PIP-4492P08/01/201010036464Buick/cadillac/chevrolet/gmc/hummer/pontiac/saab: oil consumption and/or exhaust smoke-possible pcv baffle or lifter concern. upon inspection, obvious oil will be found in the intake manifold and/or pcv vacuum tube. *pe03/16/2011
PIP334302/01/2008PIP3343A10024344Possible engine oil leak due to pcv freeze-up, equipped with the 4.8, 5.3, 6.0, and 6.2 v-8 engines. *nj04/07/2008

Consumer Complaints


Fail datemilesoccurencesPurchase date
ENGINE AND ENGINE COOLING
08/22/201150000
 We have a 2004 gmc yukon. since we've had it, reduced engine power has become a constant and dangerous problem. most recently, yesterday, my husband was trying to accelerate to pass a slower vehicle with huge tires on the back only to have this happen. if someone had been behind us, we would have been hit, seriously injured, maybe even dead with some of the circumstances we have had on the interstate. today is august 23, 2011. we had this vehicle fixed on july 28, 2011, paying almost $600 for it to be taken care of. it says on the ticket that we told them about it and were under the impression this would take care of it. they replaced the accelerator pedal assembly, which i believe included the app sensor, and cleaned the throttle body of excessive carbon build up. after spending $500-600, i want to know why we are still having this problem along with so many others i have seen complain about it online? gmc has a known problem that needs to be resolved.
12/01/20044010011/17/2004
 One side of engine block is burning out all 4 spark plugs; need diagnostic information sent to our mechanic so he can fix this problem. no response. engine light is on. total mileage on 2004 yukon ll purchased from dave smith auto, kellog idaho in nov of 2004 is 1,292. yes, this is correct. one thousand two hundred and ninety two miles! i would think gmc or dave smith would be interested in fixing this problem especially with a new vehicle. waiting for them to reply to warranty work. we are a remote site women's shelter. we need a vehicle that runs! *jb
ENGINE AND ENGINE COOLING - COOLING SYSTEM
10/05/2009720001
 2004 yukon 4.8 l having problems with temp gauge reading 260' and above at anytime . the truck has 72,000 miles and always operated well. *tr
ENGINE AND ENGINE COOLING - EXHAUST SYSTEM - MANIFOLD/HEADER/MUFFLER/TAIL PIPE
04/26/2005500102/01/2004
 The problem i'm having is a horrible bubbling or gargling sound emmiting from my 2004 yukon exhaust. it sounds really bad, enough to turn peoples heads while i'm sitting at the conveneience store or a drive thru. the dealer in which i bought it from states that they all make this sound, but i'm not stupid. i know others with the same make and year model and they do not have this problem. i just want it fixed. if i'm willing to pay $44,000 for a vehicle i expect it to look and sound great or at least look and sound like a new one. please help! *ak
06/15/200450010005/31/2004
 When my 2004 gmc yukon warms up, a loud repetitive clanging noise eminates from the exhaust system. this can be heard while driving and continues for a period after the vehicle is turned off. the yukon was purchased new on 5/31/04 and began making the noise within 500 miles. gmc says engineering has been working on the problem since 11/03 and it involves metal in the exhaust system being deformed by the heat. i have spoken with several other yukon owners and made a point to listen to other yukons on the road and have not found another yukon exhibiting the same problem. gmc refuses to replace the exhaust system. if the metal is deformed, how do i know that it is not leaking fumes into the passenger compartment?