[PDF] [PDF] Service Bulletin TECHNICAL - NHTSA

[PDF] The GM Oil Life Monitor System is not a mileage - cobaltnitracom

After resetting, the 'change oil' display will no longer be displayed after engine start up I change my oil every 3000 miles, so of what use is this system? You can  

[PDF] 2010 Chevrolet Silverado Owner Manual - Owners Manual

The oil life system should be reset to 100 only following an oil change Resetting the Oil Life System To reset the Engine Oil Life System on most vehicles: 1

[PDF] Owners Manual - General Motors

2010 Chevrolet Silverado and GMC Sierra Two-mode Hybrid M In Brief Maintenance Schedule Readiness Light” in the owner manual and Driver

[PDF] Guide du propriétaire Chevrolet Silverado 2010 - MANUEL DU

Guide du propriétaire Chevrolet Silverado 2010 M En bref Afficher OIL LIFE REMAINING (durée de vie Appuyer sur le bouton SET/RESET (réglage/

[PDF] 2011 Chevrolet Silverado Owner Manual - OWNERS MANUAL

Chevrolet Silverado Owner Manual - 2011 2011 Chevrolet 2010 General Motors LLC All Rights the Oil Life System To reset the Engine Oil Life System

[PDF] Change Engine Oil Light Reset

Getting the books change engine oil light reset now is not How to Reset Your Chevy or GMC Oil Change Light: A DIY 2007 to 2010 Chevrolet Silverado

[PDF] Service Bulletin TECHNICAL - NHTSA

2007-2011 Chevrolet Avalanche, Silverado 1500, Suburban, Tahoe 2010-2011 Chevrolet Camaro equipped with LH6 due to a different design oil pan and AFM pressure relief valve 40,000 mi) and a service engine soon light being on

[PDF] Owners Manual - Dealer E Process

Silverado LD 1500 and Silverado 2500/3500 Chevrolet Motor Division wherever it The oil life system can also be reset week of the year 2010 would

[PDF] ELECTRICAL MANUAL – 2010 LIGHT DUTY FULL SIZE C/K TRUCKS

Electrical Manual - 2010 Light Duty Full Size C/K Trucks ELECTRICAL MANUAL – 2010 Forward Lamp Harness - Diesel - Chevy Silverado/GMC Sierra Pickups 4 oil will cause permanent damage to the DPF and related components

[PDF] 2010 chevy silverado oil filter location

[PDF] 2010 chevy silverado owners manual pdf

[PDF] 2010 chevy silverado price range

[PDF] 2010 chevy silverado z71 4x4 for sale

[PDF] 2010 ford fusion engine

[PDF] 2010 ford fusion for sale cargurus

[PDF] 2010 ford fusion hybrid battery

[PDF] 2010 ford fusion hybrid models

[PDF] 2010 ford fusion interior door handle

[PDF] 2010 ford fusion length

[PDF] 2010 ford fusion oil type and capacity

[PDF] 2010 ford fusion problems with transmission

[PDF] 2010 ford fusion se engine

[PDF] 2010 ford fusion serpentine belt

[PDF] 2010 ford fusion specs

Copyright 2012General MotorsLLC. AllRights Reserved.

Service Bulletin

File inSection: 06- Engine

Bulletin No.:10-06-01-008 F

Date: October,2012

TECHNICAL

Subject: EngineOil Consumptionon AluminumBlock/Iron BlockEngines withActive Fuel Management (AFM)(Install AFMOil Deflectorand CleanCarbon fromCylinder and/or

Install UpdatedV alveCover)

Models: 2007-2011CadillacEscalade Models

2007-2011Chevrolet Avalanche, Silverado1500,Suburban,T ahoe

2010-2011Chevrolet Camaro

2007-2011GMC Sierra1500, SierraDenali, Yukon Models

2008-2009 PontiacG8 GT

Built Priorto February1, 2011 (UpdatedV alveCover)andOctober 2010(AFM Shield)

Equipped withAny ofthe FollowingEngines:

-Aluminum BlockV8 Enginewith ActiveFuel Management (AFM)(RPOs L94,LZ1, L99,

LC9, LH6,L76, LFA, L92)

-Iron BlockV8 Enginewith ActiveFuel Management(AFM) (RPOsLMG, LY5) -Hybrid Engine(RPO LFA -Only Appliesto HybridModels BuiltJuly 7,2009 - February 1,201 1-Prior BuildsNot CastFor AFMV alve) Attention: Thisbulletin doesnot applyto theBuick Rainier, ChevroletT railBlazerand GMCEnvoy equipped withLH6 dueto adifferent designoil panand AFMpressure reliefvalve. This bulletinis beingrevised toupdate theCondition andmodify theoil consumptiontest procedure. Pleasediscard CorporateBulletin Number10-06-01-008E (Section06 -Engine/

Propulsion System).

Condition

Some customersmay commentabout engineoil

consumption ofvehicles withhigher mileage (approximately 48,000to 64,000km (30,000to

40,000 mi)and aservice enginesoon lightbeing on

and/or roughrunning engine.V erifythat thePCV system isfunctioning properly. Ifthecustomer understandsthat someoil consumptionis normaland still feelsthe consumptionlevel isexcessiv e,more than

1 quartper 2000to 3000miles ofdriving, performthe

service indicatedin thisbulletin. Itis nolonger necessary tohave thecustomer returnmultiple timesto have theusage verified. Cause

This conditionmay becaused bytwo conditions. Oil

pulled throughthe PCVsystem oroil spraythat is discharged fromthe AFMpressure reliefvalve within the crankcase.Under mostdriving conditionsand drive cycles, thedischarged oildoes notcause aproblem.

Under certaindrive cycles(extended highengine

speed operation),in combinationwith partsat thehigh end oftheir tolerancespecification, theoil spray quantity maybe morethan usual,resulting inexcessive deposit formationin thepiston ringgrooves, causing increased oilconsumption andcracked orfouled spark plugs (#1and/or #7).Refer tothe latestversion of

Corporate BulletinNumber 12-06-01-001.

Page 2October ,2012BulletinNo.: 10-06-01-008F

Correction

Aluminum orCast IronBlock -Oil inIntake

Manifold -Install UpdatedV alveCover onAll

Models BuiltPrior toFebruary 1,201 1

Note:If vehicleis builtafter thisbreakpoint, itshould already beequipped withthis updatedvalve cover.

2740641

1) OldDesign

2) NewDesign

PCV pulloveror anoveractive liftercan causeoil tobe pulled throughthe PCVsystem evenat lowvehicle mileage. Acorrectly functioningPCV systemwill only leave afilm ofoil inthe intakemanifold. Inspectthe intake manifoldto seeif thereis anyoil puddlingin the bottom. Ifthere isyou willneed toreplace theleft valve cover.Two newleftrockerarm covershave been releasedfor trucksand vans.T echnicians should replacethe leftrocker armcover withGM

P/N 12570427for 2007-2008 orGMP/N12642655 for

2009-2011.Refer tothe PartsInformation belowfor the

Camaro. Thisrocker armcover hasa relocatedPCV

drain holethat preventsoil fromentering theintake manifold. Referto Valve RockerArmCover

Replacement- LeftSide inSI.

Note:These rockercovers arefor specificyears. The

PCVorificeis different foreach.Thecorrect covermust be usedor anSES lightmay set.

Aluminum Block- OilGetting PastPiston

Rings -Free UpPiston Ringsand InstallAFM

Shield onAll Non-HybridModels BuiltPrior to

October 1,2010 orall HybridModels BuiltJuly

7, 2009- October1, 2010

Note:If vehicleis builtoutside ofthis breakpoint, it should alreadybe equippedwith thisAFM shieldor the pan doesnot havean AFMvalve (LFA beforeJuly

7, 2009).

Tocorrect thiscondition, installan AFMshield, perform the pistoncleaning procedureas describedin this document andinstall anew oilpan gasketper the procedure outlinedin thisdocument. Monitoroil consumption afterthis repairto ensureoil consumption has improvedto acceptablelevels. If thisrepair doesnot correctthe condition,it maybe necessary toreplace allof thepiston assemblies (piston andrings) withnew parts.Refer toSI forrepair procedure. Important:It iscritical inthis cleaningprocess thatthe engine/fuel injectorcleaner remainin thecylinders fora minimum of2.5 hoursto fullyclean thecompone nts.

The cleanersolution mustbe removedbefore a

maximum ofthree hours.

1. Removethe sparkplugs andensure thatnone of

the pistonsare attop deadcenter (TDC).

2. Cleanthe pistonsby putting1 18-147ml (4-5oz) of

Upper Engineand FuelInjector Cleaner, GM

P/N 88861803(in Canada,use 88861804), ineach

cylinder.Allow thematerial tosoak forat least

2.5-3.0 hours,but nomore thanthree hoursand

then removethe cleaner. Asuggestedmethodof removing thecleaner iscranking theengine over.

Make sureto unplugthe ignitioncoils andfuel

injector beforecranking theengine over. Also make surethat thepainted surfacesare covered so nodamage isdone.

3. Removethe oilpan. Referto OilPan Replacement

in SI.

Bulletin No.:10-06-01-008F October, 2012Page3

2474205

4. Removethe AFMvalve (1).

2474207

5. Installthe newshield (1),GM P/N12639759, and

tighten theAFM valveto theoil panto 28Y (20lbft).

Important:Ensure thatthe enginecleaner is

thoroughly removedbefore reinstallingthe sparkplugs. Failure todo somay resultin ahydro-lock condition.

6. Reinstallthe sparkplugs. Replacethe sparkplugs

if necessarydue tofull ofcarbon. Referto theparts catalog.7. Reinstallthe oilpan. Referto theOil Pan

Installation procedurein SI.Replace theoil pan

gasket ifnecessa ry.Refertotheparts catalog.

Replace theengine oil.

8. Re-evaluatethe oilconsumption .Document onthe

repair order.Ifthe oilconsumption isstill greater than 0.946L (1qt) in3,200 km(2000 mi), replacement ofthe pistonsand ringswill be required.

Important:Some minorscratches maybe noticedon

the cylinderwalls duringpiston andring replacement.If the scratchcannot befelt whenrunning yourfinger nail over it,the scratchis considerednormal wearand the block orengine shouldnot bereplaced.

Note:It isnot necessaryto honeor deglazethe

cylinder walls.Honing mayinduce unnecessary cylinder walland /or pistonring damageif itis done incorrectly and/ornot cleanedthoroughly .Cylinder walls shouldcleaned thoroughlywith brakecleaner before installationof thenew pistonsand rings.

Numerous enginesreplaced foroil consumptionhave

been inspected.The crosshatch hasbeen consistently good andis inspecification. Asa result,is shouldnot be necessaryto measurethe cylindersif theypass the visual inspection.

Note:After thepiston/ring replacementit willtake

2000-3000 mi.for thenew ringsto seat.Adequate

break timeis necessary priortorecheckingthe oil consumption level.

Note:Do notoverlook thevalve sealsat higher

mileage. Lookin thehead portsfor evidenceof excessive amountsof oilgetting pastthe seals.

Note:It isrecommen dedtoinstallan AFMshield any

time thatthe oilpan isremoved forany reasonand an

AFM shieldis notfound.

Cast-Iron Block- OilGetting PastPiston

Rings -Free UpPiston Ringson AllModels

Built Priorto October1, 2010

1. Removethe sparkplugs andensure thatnone of

the pistonsare attop deadcenter (TDC).

2. Cleanthe pistonsby putting1 18-147ml (4-5oz) of

Upper Engineand FuelInjector Cleaner, GM

P/N 88861803(in Canada,use 88861804), ineach

cylinder.Allow thematerial tosoak forat least

2.5-3.0 hours,but nomore thanthree hoursand

then removethe cleaner. Asuggestedmethodof removing thecleaner iscranking theengine over.

Make sureto unplugthe ignitioncoils andfuel

injector beforecranking theengine over. Also make surethat thepainted surfacesare covered so nodamage isdone.

Page 4October ,2012BulletinNo.: 10-06-01-008F

Important:Ensure thatthe enginecleaner is

thoroughly removedbefore reinstallingthe sparkplugs. Failure todo somay resultin ahydro-lock condition.

3. Reinstallthe sparkplugs. Replacethe sparkplugs

if necessarydue tofull ofcarbon. Referto theparts catalog.

4. Re-evaluatethe oilconsumption .Document onthe

repair order.Ifthe oilconsumption isstill greater than 0.946L (1qt) in3,200 km(2000 mi), replacement ofthe pistonsand ringswill be required.

Note:It isnot necessaryto installthe shieldwhen

doing thepiston cleaningon acast ironblock engine since thecast ironblock engineuses adif ferentoil pump thanan aluminumblock engine,which resultsin a higherengine speedbefore theAFM pressurerelief valve opens(cast ironblock enginesare lessprone to the AFMoil spraycondition describedearlier). Ifyou find itnecessary toreplace thepistons and/orremove the oilpan forany otherreason, onlythen shouldyou add theshield.

2596639

2596640

Important:Some minorscratches maybe noticedon

the cylinderwalls duringpiston andring replacement.If the scratchcannot befelt whenrunning yourfinger nail over it,the scratchis considerednormal wearand the block orengine shouldnot bereplaced.

Note:It isnot necessaryto honeor deglazethe

cylinder walls.Honing mayinduce unnecessary cylinder walland /or pistonring damageif itis done incorrectly and/ornot cleanedthoroughly .Cylinder walls shouldcleaned thoroughlywith brakecleaner before installationof thenew pistonsand rings.

Numerous enginesreplaced foroil consumptionhave

been inspected.The crosshatch hasbeen consistently good andis inspecification. Asa result,is shouldnot be necessaryto measurethe cylindersif theypass the visual inspection.

Note:After thepiston/ring replacement, itwilltake

2000-3000 milesfor thenew ringsto seat.Adequate

break timeis necessary priortorecheckingthe oil consumption level.

Note:Do notoverlook thevalve sealsat higher

mileage. Lookin thehead portsfor evidenceof excessive amountsof oilgetting pastthe seals.

Note:It isrecommen dedtoinstallan AFMshield any

time thatthe oilpan isremoved forany reasonand an

AFM shieldis notfound.

Bulletin No.:10-06-01-008F October, 2012Page5

Parts Information

Part NumberDescription Qty

12639759DEFLECTOR-OILPRESS RLF

VLV(quantity of3 perorder) 1

88861803 (in

Canada, use

88861804)CLEANER, F/INJR16 OZLIQUID

POUR (UpperEngine andFuel

Injector Cleaner)3

12612350 GASKET,OILP AN1

12642655

COVER ASM-VLVRKRARM

(2009-2011T ruckModelsOnly)1

12570427

COVER ASM-VLVRKRARM

(2007-2008 TruckModelOnly) 1

12642655

COVER ASM-VLVRKRARM

(2010-2011Camaro) 1

12570427

COVER ASM-VLVRKRARM

(2008

2009 G8WITHOUT RPO

BSI Only)1

12642655

COVER ASM-VLVRKRARM

( 2009G8 WITHRPO BSIOnly) 1

12610768 PCVT ube(2010-2011Camaro) 1

WarrantyInformation

For vehiclesrepaired underwarranty ,use:

Labor

Operation DescriptionLabor

Time

J7555*Install AFMOil Deflector,

Rocker ArmCover- LeftBank

and CleanCarbon from

Cylinder (CamaroOnly) 6.5 hrs

Install AFMOil Deflector,

Rocker ArmCover- LeftBank

and CleanCarbon from

Cylinder (AluminumBlock V8)

(RPOs L94,LZ1, L99,LC9,

LH6, L76,LF A,L92)4.1 hrs

Clean Carbonfrom Cylinder

and InstallRocker ArmCover -

Left Bank(Cast IronBlock V8)

(RPOs LMG,L Y5)2.6 hrs

Install AFMOil Deflector,

Rocker ArmCover- LeftBank

and CleanCarbon from

Cylinder (4WD)5.2 hrs

Install AFMOil Deflector,

Rocker ArmCover- LeftBank

and CleanCarbon from

Cylinder (G8Only) 11.0hrs

*This isa uniquelabor operationfor bulletinuse only. Itwill not bepublished inthe LaborT imeGuide.

GM bulletinsare intendedfor useby professionaltechnicians, NOTa "do-it-yourselfer". Theyare writtento informthese

technicians ofconditions thatmay occuron somevehicles, orto provideinformation thatcould assistin theproper

service ofa vehicle.Properly trainedtechnicians havethe equipment,tools, safetyinstructions, andknow-how todo a

job properlyand safely. Ifaconditionis described, DO NOTassume thatthe bulletinapplies toyour vehicle,or thatyour

vehicle willhave thatcondition. Seeyour GMdealer forinformation onwhether yourvehicle maybenefit fromthe

information.

WE SUPPORTVOLUNT ARY

TECHNICIAN

CERTIFICATION

quotesdbs_dbs12.pdfusesText_18