Top Fifteen Parts for China.docx
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Top Fifteen Parts for China.docx
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TopFifteenPartsforChina
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PartNo.84754-30K零件号:
84754-30k
4T65-E4T65-E
Complaint:
Harshreverseengagement故障:
倒档冲击
BoostValve&SleeveKit滑阀和衬套
SecondaryComplaints:
次要故障:
升档晚(特别是1档升2档时)
•Softup-shifts
(especially1-2)
•Lowlinerise,forwardorreverse前进档或倒档主油压低
Cause:
Borewearnearthesmallvalvecausesharshordelayedreversedependingonthelocationandseverityoftheleak,andthetemperature;wearneartheendplugcausessoftshiftqualityandlowlinerise
注意:
小阀端磨损导致倒档冲击或延迟,倒档受小阀的位置,密封性和温度影响;柱塞端磨损会导致换档晚和主油压低。
Correction:
Thereplacementboostsleevedeliversoil360˚aroundthevalve,reducingsideload.Alsothesurfacecontactofthespoolsisgreaterwhichimprovesdurabilityandreducesoilloss.
维修:
更换小阀外起导油(360º)作用的滑套,减少侧压力。
PartNo.84754-30K
1BoostSleeveAssembly
Note:
patentpending
SonnaxPartSummary:
Vehicleswitha4T65-Etransmissionoftenhavecomplaintsofsoftup-shifts(especially1-2),delayedreverseandlowlinerise.ThiscanbetracedtotheOEMboostsleeveassemblywearing.TheOEMboostsleeveassemblyconsistsof2steelvalvesandasteelplugthatresideintheboostsleeve.Thesteelvalveswearthealuminumsleeveandallowleakageofboostpressure.TheOEMboostassemblyisnotserviceableseparatelyfromOEM,whichforcesthepurchaseofanewandexpensivevalvebody.
Sonnaxnowoffersanupgradedboostsleeveassembly84754-30KtoreplacethewornOEMpartsandallowtheOEMvalvebodytobeusedandrestorethehydraulicintegrityofthecircuit.TheSonnaxvalvesaremadeofhard-anodizedaluminumandhavebeendesignedtoincreaseoillubricity,centerthevalvesandincreaselongevity.ThelineboostvalveisalsolongerthantheOEMvalvetoincreasewearsurfacearea.Thesleeveismadeofaircraftqualityaluminumandhasbeendesignedwithoilchannelstoevenlydistribute
boostvalveoil.TheSonnaxkit84754-30Kisadrop-inreplacementandrequiresnomachining.
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PartNo.84754-34K
4T65-E
Complaint:
TCCslip,code1870
TCCRegulatedApplyValveKit变扭器
SecondaryComplaint:
•Ratiocodes
Cause:
WornTCCregulatedapplyvalveandlossofregulatedapplypressure
Correction:
ThisTCCregulatedapplykitincludesareplacementvalve,sleeveandspring.Thisimprovesdurabilityandrestoresapplypressuretoeliminateconverterclutchslippage.
PartNo.84754-34K
1Valve/sleeveassembly
1Spring
SonnaxPartSummary:
SonnaxaddressesTCCslip,code1870andoccasionalratiocodeson4T65-Eunitswith84754-34K.TheOEMTCCregulatedapplyborewearswhichcausesTCCsignal(PWM)oilandTCCregulatedapplyoiltoleak.Theleakagelowerstheapplypressurewhichcausesthetorqueconverterclutchtoslip.TheSonnaxkit84754-34Kincludesareplacementvalveandsleeve.Theinclusionofasleeveallowsthewornvalvebodytoberefurbishedbydrillingandreaming.TheSonnaxvalveincorporateshardanodizingandannulargroovestoreducefuturewear.
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PartNo.84596-01K
4T65-E
Complaint:
Wornchannelplatesleeve
ChannelPlateSleeve
Cause:
Drivesprocket,bearing
failurecauseschannelplate
(casecover)sleevewear.
Correction:
Replacethewornchannelplatesleevewith4T65-Ethru-hardenedreplacementsleeve.
PartNo.84596-01K
ChannelPlateSleeve
SonnaxPartSummary:
OEMdoesnotservicethe4T65-Echannelplatesleeveasanindividualpart.Inthepastitwasnecessarytopurchaseachannelplate(casecover)assembly.Sonnaxnowoffersareplacementthru-hardenedsleeve.
InstallationInstructions:
1.Thechannelplatesleeveissteppedandshouldonlybepressedfromonedirection.Placethechannelplateonanarborpresssothatthesidethatboltstothevalvebodyisfacingdown.
2.Removethewornchannelplatesleeveusingaproperlysizedarbor.Note:
Thereisaflatonthechannelplatethatmatestotheflatonthechannelplatesleeve;usecautionnottodistortorremovethisflatwhilepressingoutthesleeve.
3.Cleantheborethatthesleevewasremovedfromtoremoveanyaluminumchipsorburrs.
4.Aligntheflatonthesleevewiththeflatinthechannelplate.Pressthenewsleeveintothechannelplate.Thereisasteponthechannelplatesleevelocatedalongtheflat;thiswillactasastopinsuringtheproperdepth.
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PartNos.77754-03K,-04K-R2,
-SERV,-ISO,-RM5
4L60-EPWM&NON-PWM
Complaint:
1870slipcode,lowTCCapplypressure
TCCRegulatorValveKits
SecondaryComplaints:
·Overheatedconverters
·Harsh1-2
·Burned3-4clutch
·WornGMservicedvalvebodybores
Cause:
SeverewearoftheTCCregulatorvalveborefromtheOEMvalve,allowingreglatedconverterapplypressuretoexhaust,andseverewearattheTCCisolatorvalveborereducingTCCapplypressure
Correction:
RestorehydraulicintegritytotheborewiththeseSonnaxkits.
PartNo.77754-03K
PartNo.77754-04K
Eachkitincludesthefollowing:
1Isolatorvalve
1Sleeve
1Regulatorvalve
1Spring
PartNo.77754-ISO
1Isolatorvalvesleeve
1Retainingclip
Note:
PatentPending
PartNo.77754-R2
1Reamer(requiredforusewith77754-03K&-04Kon
non-servicedvalvebodies)
Note:
patentpending
PartNo.77754-SERV
1Reamer(requiredforusewith77754-03K&-04KonGM
servicedvalvebodies)
PartNo.77754-RM5
1Reamer(requiredwith
77754-ISO.Regulator
boremustbereamedfirst.)
SonnaxPartSummary:
TheSonnaxTCCregulatorvalvekits,77754-03Kand77754-04K,includeahighlywearresistantaluminumsleevetorestorehydraulicintegrityoftheapplycircuitandprovidefullsupporttothevalvetopreventsideloading.Theanodizedaluminumvalvehasanannulargrooveforbettervalvecenteringwithinthesleeve.Theisolatorvalvehasbeenlengthenedtooperateinunwornpor-tionsofthebore,andannulargrooveshavebeenaddedtopreventsideloading.The77754-03KisdesignedforPWMandnon-PWMunits,andthe77754-04KmaybeusedontheseandtheEC3units.
TheSonnaxisolatorsleevekit,77754-ISO,restoresthehydraulicintegritytoseverelywornbores,workswiththeSonnaxisolatorvalveintheTCCregulatorvalvekits,andismanufacturedfromahighlywearresistantaluminum.TheSonnax77754-SERVand77754-RM5reamerswillallowGMservicedorremanufacturedvalvebodiestobeproperlyreamedtoacceptourTCCregulatorvalvekits,77754-03Kand77754-04K,and77754-ISOisolatorvalvesleeve.
(w/77754-RM5).
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PartNo.77898E-K
4L60-E
Complaint:
Insufficientlinerise,3-4clutchfailure
Reverseboostvalve&sleevekits
SecondaryComplaint:
•Poorshiftquality
Cause:
Awornboostsleevecanallowtorquesignalandreverseoilcrossleakageorleakagetosump.
Correction:
ThecloselytolerancedSonnaxvalveandsleevekitsrestorehydraulicintegrityandpreventleakage.Kitsareavailableinthe.470"stockreplacementor.490"increasedboostratiosizes.
PartNo.77898E-K
Oversized.490"EPCSpoolDiameter
PartNo.77898E-4K
OEMRatio.470"EPCSpoolDiameter
EachIncludestheFollowing
1BoostValve
1BoostSleeve
2O-Rings
Note:
patentpending
SonnaxPartSummary:
Vehicleswitha4L60-Etransmissionfrequentlyhavepoorlinerise,whichcanresultin3-4clutch,2-4bandfailureorpoorshiftquality.ThedutycycleoftheEPCsolenoidcausestheboostsleevetowearquickly.Oilenteringthetorquesignalorificeleakspasttheboostvalveandexhaustsatthereverseorifice.Oilentersthetorquesignalorifice,leakspasttheboostvalve,andexhauststhroughthereverseorifice,resultinginpoorlinerise.Reverseoilcanexhaustbothtothesumpandbackthroughthetorquesignalorifice.Theoutsidediameteroftheboostsleevealsoallowssomeleakagethroughthepumpbody,whichdecreasespressurerise.
Sonnaxofferstworeplacementboostvalvekitsthatwillpreventtheproblemsmentionedabovebymatchingacloselytolerancedvalveandsleeve.AnOEMboostratio(.470"EPCspooldiameter)kitisoffered77898E-4Kand77898E-Kwithincreasedspooldiameters(.490"EPCspooldiameter)whichwillresultinahigherboostratiotoraiselinepressureandprovidefirmershifts.
Theboostvalveshavebeenspeciallyhardcoatedtoeliminateexcessivewearfromoccurringontheinsidediameterofthesleeves.TheseboostsleeveshavebeenmanufacturedfromDeltalloy4032highqualityaluminumspecificallydesignedtoresistwear.Thetwoo-ringsprovideadditionalprotectionagainstleakagethroughthepumpbodyandassistinmaintainingpressureinthecircuitsthatsupplytheboostvalve.
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PartNos.77805-K&77805E-K
4L60&E
Complaint:
Nolock-upcondition,code1870
TCCApplyValves
SecondaryComplaints:
•Fallingoutof
lock-upwhenhot
•Fluidblownoutfilltube
•Lock-upimmediatelyafter2ndgear(nopowercomplaint)
•Blued/overheatedconverters
Cause:
Excessivepumpboretovalveclearance
Correction:
ThesehardenedsteelTCCapplyvalveswilleliminateborecrossleakagewithaTeflon®seal.
PartNo.77805-K
700-R4&4L60-ENON-PWM
PartNo.77805E-K
4L60-EPWMonly
Eachincludesthefollowing:
1Valve
1Teflon®Seal
SonnaxPartSummary:
Vehicleswitha700-R4or4L60-Etransmissionhavenumerousconverteroverheatandlock-upcomplaintsrelatedtovalveborewear.Theseincludenolock-uporlock-upimmediatelyafter2ndgearwhenfluidwarmsup.Frequentlythesolenoidwillhavenocontroloverthevalve’sposition.
Th
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