Gmc Sierra 2004 - Engine and engine cooling - car safety information, failing parts, recalls, bulletins, complaints

Gmc Sierra 2004

Recalls
Technical Service Bulletins
Consumer Complaints

Recalls

Campaign	Manufacturer	Manufacturing date	Type	# of units affected	Date Owner notified Mfg	Recall Initiated by	Manufacturers of recalled vehicles/products	Report Recieved Date	Record Creation Date
ENGINE AND ENGINE COOLING
06V289000	GENERAL MOTORS CORP.	from 03/01/2003 to 08/31/2004	V (Vehicle)	38439	08/31/2006	MFR	GENERAL MOTORS CORP.	08/03/2006	08/03/2006
Defect Summary	On certain trucks equipped with an 8.1l v8 (rpo l8-vin g) engine have a condition in which the engine fuel rail pulse damper retainer clip may fracture resulting in inadequate retention of the damper.
Consequence Summary	If the damper comes loose, a fuel leak may result. fuel leakage, in the presence of an ignition source, could result in a fire.
Corrective Summary	Dealers will replace the engine fuel rail pulse damper retainer clip free of charge. the recall began on august 31, 2006. owners may contact chevrolet at 1-800-630-2438 and gmc trucks at 1-866-996-9463.
Notes	Gm recall no. 06080.customers may also contact the national highway traffic safety administration

Bulletins

Bulletin	Bulletin date	Replacement Bulletin	Item no.	Summary	Added
ENGINE AND ENGINE COOLING
PIP-4138K	01/01/2011		10037933	Gm: the service engine soon light is on, there is also a misfire or engine noise. there are multiple possible causes. *rm	06/08/2011
PIP-4138K	01/01/2011		10037933	Ready	06/08/2011
050601034	11/01/2005		10018733	Engine oil leak at rear cover assembly area. *tt	01/12/2006
050849026	11/01/2005		10018716	Low oil pressure message display and chimes activated while driving following hybrid (hp2) lm7 engine auto-start (reprogram the pcm). *ts	01/11/2006
3100C			10018575	Ses light due to dtc p0116. *tt	01/06/2006
3639			10018535	Oil pressure gauge reading low or near red zone. *tt	01/05/2006
0509610018	06/01/2005		10017533	Accessory drive belt chirp, squeal, or squeak type noise at cold idle. *tt	11/09/2005
3317	12/01/2008	3317F	10017214	Hard start / no start outside temperatures below freezing. tt updated 7/13/09. pe	10/28/2005
3312			10017208	No start, hard start, loss of power, or white smoke. *tt	10/27/2005
050604025	03/01/2005		10015009	Revised diagnostic trouble code (dtc) u2104. *tt	05/13/2005
050604024	03/01/2005		10015008	Revised diagnostic trouble code (dtc) p1172 and dtc p2636. *tt	05/13/2005
050603001	03/01/2005		10014989	Revised engine electrical and automatic transmission - 4l60e/4l65e subsections - new caution statements added. *tt	05/13/2005
050604023	03/01/2005		10015007	Revised diagnostic trouble code (dtc) p2563. *tt	05/13/2005
3328A			10014952	Surge at idle or 1100 to 1400 rpm. *eh	05/12/2005
3380			10014932	Oil leak from the pcv vent tube. *tt	05/12/2005
3375		3375A	10014923	Rough idle, service engine soon (ses)light, unstable idle, hesitation, surge or stalling. with diagnostic trouble codes p0300, p0335 or p0336. *tt	05/11/2005
3299			10013563	Diesel oil leak from pcv vent tube. *eh	04/21/2005
3292			10013512	Diesel engine balance rates all showing zero. *eh	04/20/2005
050090001	01/01/2005		10013446	Information on the proper air filter for the duramax diesel. *eh	04/19/2005
11062003	11/06/2003		10013155	Airflow sensor problem. *eh	04/11/2005
020601023C	11/01/2004	020601023D	10012750	Oil leak at cooler to engine block mating surface. *eh	03/14/2005
040603002	02/01/2004		10012703	Diagnostic information for intermittent vehicle no crank dead battery. *eh	03/10/2005
040603001	02/01/2004		10012670	Incorrect amp code generator. *eh	03/10/2005
040604007A	04/01/2004	040604007	10012594	Service engine soon (ses) light, p0087, p0093, p1093, low power, no start, hard start, fuel in crankcase. this service bulletin replaces 040604007. *eh	03/08/2005
040604032	05/01/2004		10012601	Proper method to secure fuel cap during refueling. *eh	03/08/2005
040601012	05/01/2004	040601012A	10012591	Rattle or crackling noise from engine compartment. eh updated 03-07-06. kb	03/08/2005
030604036	10/01/2006	030604036A	10012561	Information on servicing fuel injectors to avoid contamination. eh updated 03-19-07. kb	03/07/2005
3238C		3238E	10011735	Fuel injector driver circuit codes p0201 through p0208. this also includes 2004 2005 lly c2 c3 c4 c5 e4 e5 d4 d5 k2 k3 models. eh updated eh	01/31/2005
3239			10011743	Lb7 engine vibration miss or runs rough no diagnostic trouble code. this also includes lb7 c2 c3 c4 c5 d4 d5 e4 e5 k2 k3. *eh	01/31/2005
3227			10011674	Broken #2 and #7 injector connector terminals. this also includes lly 6.6 c2 c3 c4 c5 k2 k3 d4 d5 e4 e5. *eh	01/28/2005
3230			10011689	Diesel oil leak at right rear of engine. this includes lly c2 c3 c4 c5 d4 d5 e4 e5 k2 k3 models. *eh	01/28/2005
3068B		3068C	10011576	Turbo air charge cooler hoses oil seepage or blows off on acceleration. this also includes 2004-2005 lly c2 c3 c4 c5 k2 k3 d4 d5 e4 e5 models. *eh	01/27/2005
3212A		3212B	10011584	Fuel leaking from body of injector. this also includes 2004-2005 lly c2 c3 c4 c5 k2 k3 d4 d5 e4 e5 models. *eh	01/27/2005
09132004	09/13/2004		10011255	Rough idle with white smoke and high balance rates. a 1700 1800 light throttle combustion noise. parking lot surge under ten miles per hour with engine rpm around 800 to 1000 rpm. this also includes 2004 3500 trucks with 6.6 liter diesel en	01/12/2005
3011B		3011C	10010872	Engine oil leak at main bering side bolt. *eh	12/15/2004
3187	06/01/2009	PIP-3187A	10010865	Engine low power will not go over 2300 rpms. eh updated 6/11/10. pe	12/15/2004
3193		3193B	10010647	Excessive oil consumption. *eh	12/03/2004
3204			10010663	Coolant leak at engine mount bolt. *eh	12/03/2004
3097	01/01/2004		10010242	Oil pan or oil cooler line leak. *sc	11/05/2004
3138	01/01/2004		10010106	Accessory drive belt chirp noise at cold idle. *tc	11/04/2004
3121	01/01/2004		10010187	6.6 lb7 engine with a no charge condition with diagnostic trouble code p0380 p0621. *sc	11/04/2004
3107	01/01/2004		10010197	P0420 and p0430 dtsc in the detroit, michigan area with gen iii v-8 engines. *sc	11/04/2004
3160	01/01/2004		10010041	Gas engines exhaust buzz or rattle noise. *tc	11/03/2004
3121	01/01/2004		10010056	Exhaust vibration resonance or moan. (2004-2005 gmc denali) *sc	11/03/2004
3100	01/01/2004	3100A	10009998	Low power service engine soon/malfunction indicator light on diagnostic trouble code p0116 and p0299. *sc	11/03/2004
3147	01/01/2004		10009957	Concerns regarding bulletin 00-02-35-003f. all full size trucks and utilities and hummer parts available. *tc	11/02/2004
3109	01/01/2004		10009948	Engineering is investigating the 04 6.6l lb7 injectors for concerns of dtc p1093 and high return line flow rates. *sc	11/02/2004
02092	01/01/2004		10007754	Gurgle noise may be heard from the engine coolant compartment on trucks built with rpo hp2 parallel hybrid system. *tt	07/09/2004
02055	01/01/2004		10007743	Engine oil in the turbo charge air cooler pipes and hoses. *tt	07/09/2004
ENGINE AND ENGINE COOLING - COOLING SYSTEM
3121	01/01/2004		10010248	Exhaust vibration resonance or moan in vehicles with gen iii v8 engines. *tc	11/08/2004
3072	01/01/2004		10009622	The engine coolant temperature or intake air temperature sensor may read -40 degrees when monitored with tech 2. *tt	10/13/2004
02013	01/01/2004	02013A	10007119	Coolant leak from head cup plugs on gen iii engines. *mr	05/26/2004
10012003	10/01/2003		10006572	Blueheat coolant heater thermo top c. webasto. *mr	05/06/2004
ENGINE AND ENGINE COOLING - COOLING SYSTEM - FAN
01339	11/18/2003		10004110	Hvac blower motor fan stays on in the high blower position. service vme. *tt	11/18/2003
ENGINE AND ENGINE COOLING - ENGINE
PIP-4851	12/01/2010	PIP-4851A	10037492	Gm: 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. pe	05/24/2011
PIP-4851	11/01/2010		10037492	Ready	05/24/2011
PIP-4851	11/01/2010		10037492	Gm: 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	05/24/2011
PIP-4492P	08/01/2010		10036464	Buick/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	03/16/2011
PIP-4492P	09/01/2010	PIP-4492Q	10036464	Buick/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
4231			10021021	Service vme. supplement to 00-02-35-003l. update on new i-shaft. *kb	02/22/2007
030693001	05/01/2006	030693001C	10020839	Diagnostic information on turbocharger malfunction due to lack of engine oil for lbz, lb7, and lly duramax diesel engine. *kb	01/24/2007
060604026	12/01/2006	060604026A	10020835	Intermittent ses/mil lamp illuminated, reduced engine power, fuel injector driver circuit. dtc's p0201, p0202, p0203, p0204, p0205, p0206, p0207, p0208. cylinder bank shut down dtc's p2146, or p2149. *kb	01/24/2007
050604077	12/01/2005		10019582	Lack of power lu3 engine) at high ambient temperatures only (if necessary, reprogram pcm with new service calibration).*ak	03/30/2006
060601003	01/01/2006		10019474	Information on longer main bearing cap bolts required for certain 2001-2006 lb7, lly, lbz duramax diesel engines. *tt	03/15/2006
3691B			10019426	Generation iii v8 engine piston repairs. *tt	03/14/2006
050604063	10/01/2005		10017760	Lm7, l59 or l33 engines with cold start rough or incorrect idle, misfire, malfunction indicator lamp (mil) or flashing requiring o2 sensor replacement. *tt	11/29/2005
050601014	05/01/2005		10017409	Oil leak under extreme cold temperatures (-34 degrees c) (-30 degrees f) or colder). *tt	11/07/2005
05-06-04-047	04/01/2008	050604047C	10017389	Service engine soon (ses) light on with reduction in engine power, diagnostic trouble codes p0202 and p2146 or p0207 and p2149 set. *tt add dtc p1294. install revised 90 degree injector connector with harness support bracket servi	11/04/2005
050604029	06/01/2005	050604029A	10017336	Flexible fuel (rpo l59) rough idle, misfire, malfunction indicator lamp diagnostic trouble code p0300. *tt	11/03/2005
050604008	04/01/2005	050604008A	10017337	Diagnostic trouble code (dtc) p1172 or p2636, fuel gauge reads empty, service engine soon (ses) light on. *tt	11/03/2005
3343			10017229	Engine oil dipstick unseated or oil leak. *tt	10/28/2005
3322			10017196	Incorrect o2 sensors and wiring harness causing ho2 sensor heater circuit codes p0135 p0141 p0155 p0161. *tt	10/27/2005
3048A			10017154	Supplement to 03-06-01-024b 4.3l lu3 l35 timing chain tensioner. rattle-type noise coming from the engine at approximately 1800 to 2200 rpms. *tt	10/26/2005
3267			10017155	Diagnostic trouble code p0128 or engine will not reach operating temperature. *sc	10/26/2005
3258			10017160	6.6l lly engine oil leak at rear housing cover bolt. *tt	10/26/2005
3394		3394D	10017120	6.6 lly injector driver codes. misfire, rough running, and the mil/ses light on. *sc	10/25/2005
3556			10016942	Hard start or extended crank time on initial cold start when using alcohol blended fuels. *sc	10/18/2005
702	02/01/2005		10016371	Duramax air filter. gm tech links. *tt	09/09/2005
3346		3346A	10014804	There has been a high percentage of no trouble found (ntf) 6.6 lly engine control modules (ecms) being returned to the warranty parts center. the no trouble found (ntf) ecms are being replaced for a specific list of diagnostic trouble code	05/10/2005
3232		3232A	10014870	1999 - 2005 gen ii cold engine misfire at idle with possible p0171 and/or p0174. *tt	05/10/2005
3282		3282B	10013504	Engine overheat on vehicles equipped with rpo vyu snowplow prep package. *tt	04/20/2005
040604070	08/01/2005	040604070A	10012715	Information on the revised fuel filter for the 6.6l duramax diesel. *tt	03/11/2005
040604043	06/01/2004		10012163	Unable to reset engine oil life monitor. *tt	02/16/2005
040601020	06/01/2004		10012146	Engine oil leak near oil filter. *tt	02/15/2005
040604007E	10/01/2005	040604007F	10012150	Service engine soon (ses) light, p0087, p0093, p1093, low power, no start, hard start, fuel in crankcase. *tt	02/15/2005
040601018	06/01/2004		10012143	Information on revised design of intake gasket and related bolts for 2004 mid-year enhancement and prior year service usage. *tt	02/15/2005
040602006	06/01/2005	040602006A	10011206	Engine overheating. *tt	01/10/2005
040604001	12/01/2006	040604001C	10011126	Various intermittent driveability conditions - hesitation, lack of power, etc. *tt	01/03/2005
3056			10010364	Check engine light with a p0300 due to 2-4 cylinders misfiring on the same bank of the engine. *tt	11/17/2004
3038	01/01/2004		10009648	Engine tick, rattle or knock noise after cylinder head gasket replacement on the 6.0l engine. *tt	10/14/2004
3055	01/01/2004		10009666	Service engine soon light with a p0300 misfire due to misfires mainly on cylinder 7. *tt	10/14/2004
3022A	01/01/2004		10009617	04 full size trucks and utilities with vin g, n, t, v and u engines may have a high altitude, high ambient temperature stall. *tt	10/13/2004
3087	01/01/2004		10009513	Crank no start with no cranking rpm spark or injector pulse. *tt	10/04/2004
3086	01/01/2004		10009512	Whistle noise from the throttle body area on light throttle acceleration on vehicles with gen iii engines and electronic throttle. *tt	10/04/2004
3004	01/01/2004		10008891	4.8l 5.3l 6.6l 8.1l p1285 p1286 or p2133 after replacing app sensor. *mj	08/25/2004
3025	01/01/2004		10008832	04 model year 4.8.5.3.7.6.0 gen iii engine piston pin information. *mj	08/24/2004
3018	01/01/2004		10008804	Engine cylinder head cup plug coolant leak. *mj	08/23/2004
3011	01/01/2004	3011A	10008780	Repeat engine oil leak at main bearing side bolt. *tt	08/23/2004
1530076	01/01/2004		10008787	Vehicles and hummer h2 with a high altitude stall. *mj	08/23/2004
3015	01/01/2004		10008781	6.0l lq4 vin u engine restriction. *tt	08/23/2004
040604007	10/01/2006	040604007G	10008460	Service engine soon (ses) light, p0087, p0093, p1093, low power, no start, hard start, fuel in crankcase. *tt	08/02/2004
01353	01/01/2004	01353A	10007937	Engine misfire due to injector fretting corrosion. *tt	07/16/2004
00872A	01/01/2004		10007916	Oil pan or oil cooler line leak on gen iii v-8 engines equipped with an oil cooler. *tt	07/15/2004
02051	01/01/2004		10007737	Intermittent service engine soon (ses) light comes on and code p0700 along with diagnostic trouble code p0742 stored. *tt	07/09/2004
01586	01/01/2004	01586A	10007668	8.1l 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. *mj	07/07/2004
00266	01/01/2004	00266A	10007596	Loss of power, hesitates on acceleration on 4.8, 5.3 and 6.0 engines coupled with the 4l60e or 4l65e transmission. *tt	07/02/2004
01119A	01/01/2004	01119B	10007576	Roll-out for the gen iii small block engines with iridium spark plugs. also includes 2003/2004 m/l vans. *tt	07/01/2004
00700A	01/01/2004	00700B	10007584	4.3l l35 engine wide open throttle diagnostic trouble code (dtc) p0335, p0336, p0339. tt mj	07/01/2004
01972	01/01/2004	01972B	10007581	Erratic oil pressure gmt 610 or gmt800 with codes p0522 or p0523. tt 01972a replaced and updated 01/01/04. sc	07/01/2004
01845	01/01/2004	01845A	10007566	Normal engine operating noise characteristics. *tt	07/01/2004
00609B	01/01/2004	00609C	10007527	Low power, will not go over 2300 rpms. 6.6l lb7 engine. *tt	06/30/2004
00764B	01/01/2004		10007271	6.6l diesel engine rough idle, clatter, stall and/or diagnostic trouble code (dtc) p1223. *tt	06/09/2004
01485B	01/01/2004	01485C	10007272	Timing chain tensioner breakpoints for service kit or production fix. rattle-type noise coming from the engine at approximately 1800 to 2200 rpms. 4.3l lu3 l35 engine. *tt	06/09/2004
00678B	01/01/2004	00678C	10007286	Engine overheats on vehicles equipped with rpo vyu snowplow prep package. *tt	06/09/2004
01619	01/01/2004		10007183	6.6 lly engine glow plugs are not interchangeable with the current 6.6 lb7 glow plugs.*mr	06/03/2004
02029	01/01/2004		10006934	Inaccurate fuel gauge readings and/or engine stall. *mr	05/19/2004
01939	01/01/2004		10006565	4.3 4.8 5.3 6.0 lr4 lu3 lm7 l59 lq4 lq9 engines- evap code p0442. *mr	05/06/2004
01701	01/01/2004		10006395	4.8 5.3 lm4 lm7 lr4 engine - with o2 sensor codes p0135, p0141, p0155, p0161. sit bulletin 1452753. *tt	04/30/2004
01774	01/01/2004		10006256	6.6l lb7 repeat engine oil leak (left side) #2 main bearing cross bolt. *mr	04/27/2004
01485	01/01/2004		10005500	Timing chain tensioner breakpoints for service kit or production fix. rattle-type noise coming from the engine at approximately 1800 to 2200 rpms. 4.3l lu3 l35 engine. *tt	03/01/2004
01499	01/01/2004		10005481	2004 6.6l duramax lb7 engines with extended crank during hot engine restart. diagnostic trouble code (dtc) p0193 may or may not be set. sit bulletin 1402202. *tt	03/01/2004
01485A	01/01/2004		10005445	Timing chain tensioner breakpoints for service kit or production fix for vehicle exhibiting rattle-type noise coming from the engine at approximately 1800 to 2200 rpms. sit bulletin 1408407. *tt	02/27/2004
100903	10/09/2003		10004986	Duramax diesel fuel in oil diagnostics revisited. gm voicemail log. this includes c4500 and 5500 trucks. *tt	01/22/2004
100803	10/08/2003		10004982	The engine diagnostic fuel leaks inside of the engine. gm voicemail log. this includes 2000 - 2004 chevroand gmc c4500 and 5500 trucks. *tt	01/22/2004
020601022C	01/01/2005	020601022D	10004742	Information on engine ticking. including 2004 chevrolet kodiak c45/c5500 series and 2004 gmc topkick c4500/c5500 series. tt update. tt	01/05/2004
030604060	10/01/2003		10004733	Information on new spark plugs and gapping. various models including pontiac gto 2004. *tt	01/02/2004
030603007	08/01/2003		10004372	Availability of starter motor solenoid if damaged during service. 2004 chevrolet kodiak c4500/5500 and gmc topkick c4500/5500 included. *tt	12/04/2003
030601023	08/01/2003		10004370	Higher than expected oil consumption <8500 gvw. various models including 2003-2004 chevrolet kodiak (c4500-c5500 series models)and gmc topkick (c4500-c5500 series models). *tt	12/04/2003
030603008	09/01/2003		10004373	Avoiding oil level sensor harness damage during lower oil pan installation. *tt	12/04/2003
030604054	10/01/2003		10004316	Revised fuel injector balance test with tech 2 (automatic transmission). various models including 2003-2004 chevrolet kodiak and gmc topkick. *tt	12/02/2003
030604053	10/01/2003		10004315	Revised fuel injector balance test with tech 2 (manual transmission). *tt	12/02/2003
030603001A	10/01/2003	030603001	10004304	Starter cranks after key is released (normal condition). *tt	12/01/2003
030604045	10/01/2003		10004306	Revised diagnostic trouble code (dtc) p0093 or dtc p1093 diagnostic tables. *tt	12/01/2003
030604046	10/01/2003		10004307	Revised engine cranks but does not run diagnostic. *tt	12/01/2003
01275C	11/18/2003		10004189	Some 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. *tt	11/21/2003
00634A	11/18/2003		10004162	Gen iii engine noise after hot soak restart. *tt	11/20/2003
030604030	03/01/2007	030604030C	10002166	Multiple driveability symptoms of long or hard starts, chuggle, rough idle and light or intermittent misfire due to clogged fuel injectors. *tt	08/14/2003
ENGINE AND ENGINE COOLING - ENGINE - DIESEL
PIP-3504C	11/01/2010		10037516	Gm: there is a diesel engine hard start when hot. starts fine when cold. there will be no internal trouble codes. *rm	05/25/2011
PIP-3504C	11/01/2010		10037516	Ready	05/25/2011
PIP-4629	04/01/2009		10030207	Chevrolet/gmc: diesel engine turbo dtc p2563 or p003a. may encounter a concern of ses light, reduced power, low power. *pe	08/18/2009
07057	02/01/2008		10024154	Special coverage adjustment - engine glow plug on certain vehicles with 6.6l diesel v8 (rpo lb7 - vin 1) engine & california emissions (yf5/ne1) or clean fuel emissions (vcl). csc was received. *nj	03/13/2008
070601009	05/01/2007		10021839	Diesel engine cylinder head gasket missing thickness grade markings. *kb	06/22/2007
3328B		3328C	10017202	Engine rpm surge at 1100 to 1400 rpm. this condition may be noticed more when towing. *tt	10/27/2005
3314			10017211	Duramax diesel engine hard start, no start, stall of diagnostic trouble code p0093, p1093. *tt	10/27/2005
3225A			10017137	01-05 6.6 lly lb7 duramax diesel engine air filter usage. *sc	10/25/2005
3504		3504A	10016491	Hard start hot only after the engine has reached operating temperature and then shut off. *tt	09/14/2005
00968A	01/01/2004	00968B	10007534	6.6l lb7 lly diesel engine with rough, unstable, low idle speed or stall. *tt	06/30/2004
01512	01/01/2004		10005462	6.6 liter duramax diesel engine fuel knock noise. various models including the 2004 gmc c4500 and c5500. sit bulletin 1406247. *tt	02/27/2004
030693001A	08/01/2005	030693001B	10004319	Diagnostic information for turbo failure due to lack of oil or repeat turbo failures. *tt	12/02/2003
ENGINE AND ENGINE COOLING - ENGINE - GASOLINE - BELTS AND ASSOCIATED PULLEYS
3048	01/01/2004		10009391	Timing chain tensioner breakpoints for service kit or production kit. supplement to 03-06-01-024b. *tt	09/27/2004
01242A	01/01/2004		10006284	6.6l lb7 lly diesel engine drive belt chirping on shut down. sit bulletin 1460352. *tt	04/27/2004
ENGINE AND ENGINE COOLING - ENGINE - GASOLINE - TURBO-CHARGER
3401		3401A	10020072	Turbocharger oil feed line kinked or restricted. *tt	07/19/2006
3348		3348A	10014816	Noise, service engine soon (ses) light, or low power. dealer may find turbine (exhaust side) wheel rub damage, a broken turbine shaft, or turbo bearing concern. *tt	05/10/2005
10292004	10/29/2004		10013041	This is in regards to the unnecessary changing of turbochargers due to oil seepage. *tt	04/06/2005
3068		3068D	10009606	Oil seepage from turbo air charge cooler hoses or hose blowing off during acceleration. possible diagnostic trouble code p0299. tt updated 04-24-07. kb	10/08/2004
01496	01/01/2004		10005493	6.6l lb7 duramax diesel turbocharger noises or fuel economy complaint. service vme. sit bulletin 1401355. *tt	03/01/2004
100803	10/08/2003		10004983	Excessive duramax turbocharger whine noise or possibly a performance or a fuel economy complaint. gm voicemail log. this includes 2003-2004 4500 and 5500 trucks. *tt	01/22/2004
01400	11/18/2003		10004204	6.6l duramax lb7 engines with turbocharger system whine noise. *tt	11/21/2003
ENGINE AND ENGINE COOLING - ENGINE - OTHER FUEL TYPES - TURBO-CHARGER
PIP-4629	04/01/2009		10030207	Chevrolet/gmc: diesel engine turbo dtc p2563 or p003a. may encounter a concern of ses light, reduced power, low power. *pe	08/18/2009
01896		3066A	10006476	6.6 lly duramax diesel engine turbocharger learn procedure. *mr	05/04/2004
001496A	01/01/2004		10005513	This message is in regard to duramax turbocharger noises or possibly a performance or fuel economy complaint. service vme. 6.6 lb7 diesel engine. p0102, p0103, p0236. *tt	03/01/2004
ENGINE AND ENGINE COOLING - EXHAUST SYSTEM
030605008B	11/01/2005	030605008C	10005576	Advance 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. tt	03/04/2004
01531	01/01/2004		10005447	Exhaust moan vibration. sit bulletin 1408514. *tt	02/27/2004
020605003C	02/01/2004	020605003B	10002939	Exhaust moan/vibration. tt update. tt	10/01/2003
ENGINE AND ENGINE COOLING - EXHAUST SYSTEM - EMISSION CONTROL
050604021	03/01/2005		10015005	Revised inspection/maintenance (i/m) evaporative emission (evap) system set procedure. *tt	05/13/2005
ENGINE AND ENGINE COOLING - EXHAUST SYSTEM - EMISSION CONTROL - CATALYTIC CONVERTOR
3119	01/01/2004		10010101	Engineering investigation - catalytic converter replacement. *sc	11/04/2004
ENGINE AND ENGINE COOLING - EXHAUST SYSTEM - EMISSION CONTROL - CRANKCASE (PCV)
PIP-4492P	09/01/2010	PIP-4492Q	10036464	Buick/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-4492P	08/01/2010		10036464	Buick/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	03/16/2011
PIP3343	02/01/2008	PIP3343A	10024344	Possible engine oil leak due to pcv freeze-up, equipped with the 4.8, 5.3, 6.0, and 6.2 v-8 engines. *nj	04/07/2008
ENGINE AND ENGINE COOLING - EXHAUST SYSTEM - EMISSION CONTROL - GAS RECIRCULATION VALVE (EGR VALVE)
3256A			10017169	Vehicle may be brought in for service engine soon (ses) or malfunction indicator lamp (mil) light on. *tt	10/26/2005

Consumer Complaints

Fail date	miles	occurences	Purchase date
ENGINE AND ENGINE COOLING - ENGINE
09/01/2010	48000
	Tl - the contact owns a 2004 gmc sierra. the contact stated that while driving his vehicle check engine light illuminated and the message reduce engine power appeared causing the vehicle to reduce the speed. the contact stated that this failure happened several times without warning and it was a safety hazard if driving on the highway. the vehicle was not taken to the dealer. the manufacturer was contacted who stated that they were not able to help until the vehicle was inspected. the vehicle was not repaired. the failure mileage was 48,000 and the current mileage was 55,000. pm
ENGINE AND ENGINE COOLING - ENGINE - DIESEL
12/30/2005		1	09/01/2004
	2004 sierra caught on fire due to a malfunction in the truck. ts jb
06/13/2005	26368	1	02/23/2004
	The injectors on my 2004 gmc sierra went out at 26,000 miles. the incident caused me to lose my truck for 4 days. the dealership replaced all 8 injectors.
03/28/2004	1660	4	03/26/2004
	2004 gmc 2500hd duramax - purchased march 2004. severe, abrupt 'clacking/chatter' coupled with brief, complete loss of power and billows of smoke. has occurred 4 times: 3/28 1660 miles @ 67mph, 5/5 2167 miles @ 70 mph, 5/8 2316 miles @ 60-65 mph, 5/8 2325 miles @ 60-65 mph.*ak