Jaguar World – July 2019

AvoidfullytighteninganyboltsattachedtotheEGRassemblyuntilthey
haveallbeenfitted.CheckthatthenewpipebetweentheEGRvalveand
throttlebodyisthesameshapeanddimensionsastheoldone

Technicianconnectsdiagnosticequipmenttoclearfaultcodesand

calibratetheEGRforthecorrectflow,beforerunningtheenginetocheck

thatEGR-relatedfaultdoesn’treturn.Thenhewilltopupcoolant

ManoeuvretheEGRassemblyoutthroughthefrontoftheengine.If
itcannotberemoved,checkthatallelectricalplugs,hoses,pipesand
mountingboltshavebeenundoneordetached

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PlacetheoldassemblyonabenchalongsidethereplacementEGR

valve.CheckthatthereplacementEGRvalveisidenticaltotheoldone,

especiallyregardinganyelectricalplugconnectorsandmountingpoints

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Elite&PerformanceJagsfirstrefitsthetwofront-most 10 mmboltsfor

theexhaustpipeconnectedtotheEGRvalve(undoneinstep 10 ),before

refittingthemountingbolts

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ManoeuvretheEGRassemblythroughthefrontoftheengineandinto
position.Thiscanbequiteawkwardtodo,sotakeyourtime,making
surethatnowiresorhosesaretrappedintheprocess

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MODERNWORKSHOP

July 201 9\JaguarWorld|8 7

SecuretheEGRassemblyinavice,thenundo
four5mmAllenkeyboltstoseparatetheEGR
valvefromtheEGRcoolerandtherestofthe
components.Discardthegasketbetween
theseparts–anewoneshouldbefitted

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LookinginsidetheoldEGRvalve(onthe

rightofthephotographshownhere),andthe

replacementontheleft,it’sclearthattheold

EGRischokedwithcarbondeposits

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AssemblethereplacementEGRvalvetothe

EGRcooler,fittinganewgasket.Refitthefour

5mmAllenkeybolts,hand-tighteningthem

witha^3 / 8 inratchet.Donotovertightenthem

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