133412-5373-1719097201 ECCPP UF612+94374 6 ignition coils User Manual

IgnitionCoilswithSparkPlugsInstallation

Guide

1.SafetyPrecautions

Performallrepairworkonlywhentheengineisfullycooleddowntopreventburninjuries.

Disconnectthebatterynegativeterminalbeforeremovinganyignitionsystemcomponentsto

avoidelectricshock,accidentalenginecranking,andignitionsystemmalfunction.Wearsafety

glovesandsafetygogglesduringtheentireoperation.Donottouchignitioncoilsorsparkplug

wireswhiletheengineisrunningorthevehicleignitionisON.Keepallsparkplugholesclean

andfreeofdirt,debris,andforeignparticlestopreventengineinternaldamage.

2.Pre-InstallationInspection

ConfirmthatthenewignitioncoilsmatchtheoriginalOEMspecifications,includingconnector

pinlayout,mountingposition,andcoilresistanceparameters.Verifythatthenewsparkplugs

meetthefactoryrequirementsinheatrange,threadsize,andoverallstructure.Inspectthe

insulatorsurfaceforcracks,chips,ordefects.Preparerequiredtools:socketset,sparkplug

socket,ratchet,extensionbar,torquewrench,feelergauge,anddielectricgrease.

🔧

Figure1:Parts&ToolsInspection



Checkallnewignitioncoilsandsparkplugsforphysicaldamage,specification

consistency,andcompleteaccessoriesbeforeinstallation.

3.OldComponentsRemovalProcedure

1.Disconnectthevehiclebatterynegativecable.

2.Locatetheignitioncoilsmountedonthevalvecoverorcylinderhead.

3.Pressthelockingtabanddisconnecttheelectricalconnectorfromeachignitioncoilgentlyto

avoidconnectordamage.

4.Removetheignitioncoilmountingbolt(standard10mmsize).

5.Pulltheignitioncoilstraightupwardtoremoveitfromthesparkplugtube.Donottwistor

bendthecoilbootexcessively.

6.Useasparkplugsocketwithanextensionbartoloosenandremovetheoldsparkplug

counterclockwise.

7.Inspecttheoldsparkplugsforcarbonbuildup,oilcontamination,electrodewear,or

overheatingmarksforengineconditionreference.

💡

Figure2:IgnitionCoilRemoval



Verticallylifttheignitioncoiltoseparateitfromthesparkplugtube,avoidtwistingand

forcedprying.

🔩

Figure3:SparkPlugRemoval



Useadedicatedsparkplugsocketfordisassemblytopreventelectrodedamageand

slipping.

4.Pre-AssemblyPreparation

✅

ImportantNote:FullyPre-ProcessedParts



Allnewsparkplugsandignitioncoilsarefullypre-processedbeforeinstallation.The

sparkpluggapsarecalibratedtoOEMstandard,threadanti-corrosiontreatmentand

coilbootinsulationprotectionarecompleted.Noon-siteadjustment,gapcorrection,

oradditionalgreaseapplicationisrequired.Thepartsarereadyfordirectinstallation.

5.NewPartsInstallationProcedure

1.Threadthenewsparkplugintothecylinderheadbyhandfirsttopreventcross-threadingand

threaddamage.

2.Tightensparkplugsaccordingtostandardtorquespecifications:

-Aluminumcylinderhead:22

‒

28N·m(16

‒

21ft-lbs)

-Castironcylinderhead:28

‒

35N·m(21

‒

26ft-lbs)

3.Installthenewignitioncoilintothesparkplugtube,ensurethecoilbootfitstightlyandseals

completelyonthesparkpluginsulator.

4.Reinstalltheignitioncoilmountingbolt.Afterhandtightening,torqueitto8

‒

12N·m(7

‒

10ft-

lbs).

5.Reconnecttheelectricalconnectoruntilanaudibleclickisheardtoconfirmfulllocking

connection.

6.Repeatthesameinstallationstepsforallenginecylindersinorder.

📏

Figure4:SparkPlugTorqueInstallation



Useatorquewrenchforstandardtighteningtoavoidthreadslippingorinsufficient

sealing.

🔌

Figure5:IgnitionCoilInstallation



Ensurethecoilbootisfullysealedandtheelectricalconnectoriscompletelylockedin

place.

6.Post-InstallationInspection&Verification

1.Double-checkallignitioncoilconnectorsarefullylockedandallmountingboltsareproperly

torquedwithoutlooseness.

2.Cleantheenginebayandensurenotoolsorforeignobjectsareleftinside.

3.Reconnectthebatterynegativecable.

4.Starttheengineandmaintainidlespeedfor3to5minutes.

5.Observeengineoperation:noroughidle,enginemisfire,abnormalnoise,ortickingsound.

6.Performaroadtesttoconfirmsmoothaccelerationandnormalenginepoweroutput.

7.TroubleshootingCommonIssues

Symptom



PossibleCause



Solution



Roughidleandengine

vibration

Incorrectsparkpluggap,

looseignitioncoil,poor

electricalconnection

Recalibratesparkpluggap,

reinstallandsecurecoils,

re-lockconnectors

Enginemisfireduring

acceleration

Defectiveignitioncoilor

damagedsparkplug

Replacefaultyignitioncoil

ordamagedsparkplug

withnewparts

Arcingorclickingnoise

duringignition

Insufficientinsulation

protectionorpoorcoilboot

sealing

Re-seatthecoilbootand

ensurefullsealing

condition

Hardstartingornostart

condition

Loosecoilconnectionor

cross-threadedsparkplug

Inspectallcomponents

andreinstallfollowing

standardprocedure

Oilresidueonsparkplug

threads

Valvecovergasketleakage

Replacevalvecovergasket

andcleansparkplugtubes

thoroughly

8.ImportantInstallationNotes

Donotreuseworn,cracked,oragingignitioncoilboots.Alwaysreplacesparkplugsina

completesettoensurebalancedengineperformance.Neverover-torquesparkplugstoavoid

strippingthreadsonaluminumcylinderheads.Keepsparkplugtubescleantopreventmisfire

issues.Afterinstallation,clearallstoredenginemisfiretroublecodestorestorenormalvehicle

operation.

📌

FinalReminder



Allcomponentsarepre-processedandreadyfordirectinstallation.Strictlyfollow

torquestandardsandinstallationsequencetoavoidenginemisfireandcomponent

damage.

133412-5373-1719097201 ECCPP UF612+94374 6 ignition coils with 6 iridium Spark Plugs for Lincoln,for Ford MKS MKT Flex Taurus Turbo Version 26024059,52-2194,AA5Z12029A,C,UF612,UF-612,673-6303

Product's Documents

Installation Manual

Specifications

FLEX 133412-5373-1719097201 Questions and Answers

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