Bulletins


BulletinBulletin dateReplacement BulletinItem no.SummaryAdded
ENGINE AND ENGINE COOLING
PIP-4568K01/01/201110037941Gm: service engine soon light is on with a misfire and a possible tick noise. *rm06/08/2011
PIP-4568K01/01/201110037941Ready06/08/2011
PIP-4138K01/01/201110037933Ready06/08/2011
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
318706/01/2009PIP-3187A10010865Engine low power will not go over 2300 rpms. *eh updated 6/11/10. *pe12/15/2004
ENGINE AND ENGINE COOLING - COOLING SYSTEM
PIP-482208/01/201010036364Chevrolet/gmc: possible engine overheat or loss of coolant. normal si diagnostics will lead to inspecting the water pump for proper operation. when water pump is removed, be sure to inspect the impeller. *pe03/14/2011
ENGINE AND ENGINE COOLING - COOLING SYSTEM - FAN
08-01-38-00204/01/200810025224Blower motor inoperative (replace blower motor) for extended and crew cab models only. *pe07/18/2008
ENGINE AND ENGINE COOLING - COOLING SYSTEM - HOSE
08-04-19-00408/01/200810026624Gmc: correct front axle vent hose routing. the front axle vent hose is mounted in the left side of the engine compartment, and may not be correctly routed. *pe11/19/2008
ENGINE AND ENGINE COOLING - ENGINE
11-06-04-007B04/01/201210044229Gm: diagnosis and repair- malfunction indicator lamp illuminated, reduce engine power message displayed, dtc p2135 set. also included model sierra denali year 2010-2011 *js05/23/2012
RB-1200902/01/201210043859Gm: see document search button for owner letter. incorrect engine control module calibration. general motors has decided to conduct a voluntary emission recall involving certain 2008 model year vehicles equipped with a 4.8l/0.6l engine04/30/2012
PIT-4769B03/01/201110038624Ready06/24/2011
PIT-4769B03/01/201110038624Gm: the air bag light is on with a stored trouble code. *rm06/24/2011
PIP-3783C12/01/201010037809Gm: the engine light is on and the vehicle lacks power. there are multiple possible trouble codes. *rm06/06/2011
PIP-3783C12/01/201010037809Ready06/06/2011
SB-07-06-03-002C07/01/201010036524Cadillac/chevrolet/gmc: information on inspecting top post battery cable bolts, clamps and nuts during pre-delivery inspection (pdi). *pe03/28/2011
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
PIP-482208/01/201010036364Chevrolet/gmc: possible engine overheat or loss of coolant. normal si diagnostics will lead to inspecting the water pump for proper operation. when water pump is removed, be sure to inspect the impeller. *pe03/14/2011
PIT-502809/01/201010036324Pontiac/saturn/buick/gmc/chevrolet/cadillac/hummer: vehicle start and stalls after theft deterrent module replacement. model years 2006-2011. does not apply to vehicles with keyless access system. *pe03/14/2011
SB-02-06-04-037109/01/201010035764Chevrolet/gmc: check engine light on, fuel tank hard to fill, dtcs p0442, p0446, p0455 or p0449 set (replace evaporative emission (evap) vent valve solenoid assembly and add/relocate fileter box using service kit). *pe03/04/2011
SB-08-06-04-054A01/01/201010034364Chevrolet/gmc: snow or ice ingestion into air cleaner element, malfunction indicator lamp (mil) illuminated, engine power is reduced message displayed, dtc p0101 set (perform repair as outlined). *pe11/08/2010
SB- 0928511/01/200910032324Gmc/chevrolet: service engine soon light illuminated-exhaust gas recirculation (egr) cooler plugging prevention. *pe03/05/2010
PIT-4846A05/06/200910030244Cadillac/chevrolet/gmc: locations of high speed gmlan wiring concerns. gauges inoperative, no crank, harsh transmission shifting, no transmission shifting, door locks cycling and indicators on. *pe09/02/2009
TB-09-06-04-02205/01/2009TB-09-06-04-022A10030110General motors: malfunction indicator lamp (mil) illuminated, intermittent dtc p0191, slow fuel rail pressure (frp) decay, wiring harness connections, voltage fluctuations/interruptions (follow correction information below). *pe08/03/2009
TB-09-06-04-02404/01/200910030111Diagnostic information on malfunction indicator lamp (mil) illuminated with dtcs p0442,p0446, p0451, p0452, p0453, p0454, p0455 and replacement of fuel tank pressure (ftp) sensor/module. *pe08/03/2009
08-06-03-00707/01/200810026007Gmc: no start, no crank, intermittent electrical operations (check for poor connections within engine wiring harness junction block). *pe09/23/2008
08-07-30-02105/01/200810025668Loss of high speed gmlan communications, intermittent no crank, ipc gauge fluctuation, intermittent door lock cycling, transmission may not shift, dtcs u0073, u0100, u0101, u0102, u0121, u0140 set (repair backed out terminal in transmission08/28/2008
08-07-30-02104/01/200810025402Loss of high speed gmlan communications, intermittent no crank, ipc gauge fluctuation, intermittent door lock cycling, transmission may not shift, dtcs u0073, u0100, u0101, u0102, 70140 (repair backed out terminal in transmission harness co08/06/2008
0814210/01/2008PB-08142A10025303Ecm eeprom - reprogram ecm. all 2007 and certain 2008 cheverolet silverado and express and gmc sierra and savana equipped with 6.6l duramax va diesel (rpo lmm - vin 6) engine. csc was received. *pe updated 5/5/09. csc letter was07/28/2008
ENGINE AND ENGINE COOLING - ENGINE - DIESEL
PI-047405/01/201110038744Ready06/27/2011
PI-047405/01/201110038744Gm: an 'engine power is reduced' message appears and there is a stored trouble code. this is caused by wear of the internal fuel injector. *rm06/27/2011
PIP-3504C11/01/201010037516Gm: there is a diesel engine hard start when hot. starts fine when cold. there will be no internal trouble codes. *rm05/25/2011
PIP-3504C11/01/201010037516Ready05/25/2011
PIP-4574M08/01/201010036485Buick/chevrolet/gmc/pontiac/saab: excessive oil consumption and/or blue exhaust smoke-investigation update. in most cases did not start until the engine accumulated approximately 30,000 miles or more. *pe03/21/2011
SB-08-06-04-054A01/01/201010034364Chevrolet/gmc: snow or ice ingestion into air cleaner element, malfunction indicator lamp (mil) illuminated, engine power is reduced message displayed, dtc p0101 set (perform repair as outlined). *pe11/08/2010
PIP-466406/01/200910032889Gmc/chevrolet: dtc p0101 with non gm air filter. may encounter concern of reduced power and ses light on. diagnostics may reveal maf (mass air flow) sensor dtc p0101. if diagnostics were inconclusive its possible dtc p0101 is setting du06/08/2010
PIP-466006/01/200910032888Gmc/chevrolet: engine coolant sensor dtcs p011a, p2184, and p2185. dealer may encounter concern of ses light on or dtcs p011a, p2184 and p2185. diesel engines have 2 ect (engine coolant temperature) sensors. *pe06/08/2010
PIP-462904/01/200910030207Chevrolet/gmc: diesel engine turbo dtc p2563 or p003a. may encounter a concern of ses light, reduced power, low power. *pe08/18/2009
PIP-438007/01/200810026108Gmc: egr low flow dtc p0401. vehicles that are equipped with the 6.6l diesel engine rpo code lm. *pe09/30/2008
07-06-04-033A05/01/200810025681Lmm, clean exhaust filter light illuminated, mil/ses light illuminated with dtc(s) p244b and/or p2463 set (perform all si diagnostics for dtc(s) set, if ntf, replace air filter). vehicles with 6.6l duramax diesel engine. *pe08/29/2008
ENGINE AND ENGINE COOLING - ENGINE - GASOLINE - TURBO-CHARGER
PIP-4372B07/01/200810026650Gmc: oil leak at turbocharger air intake pipe. initial inspection ma reveal a leak that looks as it is coming from the rear of the engine. *pe11/24/2008
0817905/01/200810025602Service update for inventory and customer vehicles; turbocharger vane position sensor - replace; expires with 5 year/100,000 mile (160,000 km) powertrain warranty. *pe08/25/2008
ENGINE AND ENGINE COOLING - ENGINE - OTHER FUEL TYPES - TURBO-CHARGER
PIP-488803/01/201110038605Gm: information on inspecting and replacing turbos. *rm06/24/2011
PIP-488803/01/201110038605Ready06/24/2011
PIP-485711/01/201010037499Ready05/24/2011
PIP-485711/01/201010037499Gm: there may be reduced power and an internal trouble code in high temperatures or when near the towing limit. *rm05/24/2011
PIP-462904/01/200910030207Chevrolet/gmc: diesel engine turbo dtc p2563 or p003a. may encounter a concern of ses light, reduced power, low power. *pe08/18/2009
PIP-4372B07/01/200810026650Gmc: oil leak at turbocharger air intake pipe. initial inspection ma reveal a leak that looks as it is coming from the rear of the engine. *pe11/24/2008
0817905/01/200810025602Service update for inventory and customer vehicles; turbocharger vane position sensor - replace; expires with 5 year/100,000 mile (160,000 km) powertrain warranty. *pe08/25/2008
ENGINE AND ENGINE COOLING - EXHAUST SYSTEM
PIP-4574M08/01/201010036485Buick/chevrolet/gmc/pontiac/saab: excessive oil consumption and/or blue exhaust smoke-investigation update. in most cases did not start until the engine accumulated approximately 30,000 miles or more. *pe03/21/2011
ENGINE AND ENGINE COOLING - EXHAUST SYSTEM - EMISSION CONTROL
SB-02-06-04-037109/01/201010035764Chevrolet/gmc: check engine light on, fuel tank hard to fill, dtcs p0442, p0446, p0455 or p0449 set (replace evaporative emission (evap) vent valve solenoid assembly and add/relocate fileter box using service kit). *pe03/04/2011
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

Consumer Complaints


Fail datemilesoccurencesPurchase date
ENGINE AND ENGINE COOLING
10/04/2011110000
 The driver side exhaust manifold bolts broke off causing an exhaust leak. this is a serious safety issue causing exhaust gas to enter the cabin! exhaust bolts should not break off.