2003 PORSCHE 911 CARRERA alternator

Removingthebattery

Therequisitetoolisinthetoolkit.
Thebatteryislocatedintheluggagecompart-
mentunderablackplasticlid.
/!\.Warning!
Riskofdamagetoalternatorandelectronic
controlunits.
I>Donotdisconnectthebatterywhiletheen-
gineisrunning.
Thisalsoappliestocarsequippedwithabat-
terymainswitch.
I>Neverdrivethecarwithadisconnectedbat-
tery.
Risk
of
caustic
burnsfromescapingacid.

I>Keepventcapsontoavoidspillage.
I>Donottiltthebatterywhenremovingandin-
stallingit.
218PracticalTips,EmergencyService
1.Switchoffengineandallelectricalloads.
2.Openturn-locksA.
Removeplasticlid.
3.PulloffcentralventhoseB.
4.Important:disconnectthenegative(-)ground
wirefirst,andthenthepositive(+)cable
-

dangerofshortcircuit!
5.UnscrewfasteningscrewC.
6.Removebattery.

Installingthebattery

1.Putbatteryin.
2.ScrewinfasteningscrewC.
3.Important:connectthepositive(+)cable
first,andthenthenegative(-)groundwire
-

dangerofshortcircuit!
4.PushoncentralventhoseB.
5.Fitplasticlid.Lockturn-locksA.
6.Entertheradiocodeagain.

EmergencyStartingwithJumper
Cables
Ifthebatteryisdischarged,e.g.inwinteror
afterthecarhasbeenparkedforalongtime,
thebatteryofanothercarcanbeusedforstart-
ingwiththehelpofjumpercables.
Makesurethevoltageofbothbatteriesisthe
same.
Thecapacity(Amperehours,Ah)ofthebooster
batterymustnotbesubstantiallylessthanthat
ofthedischargedbattery.
Thedischargedbatterymustbecorrectlycon-
nectedtothevehicle'selectricalsystem.
Seethechapter"Battery"and"Emergencyun-
lockingoftheluggagecompartmentlidanden-
ginecompartmentlid".
Note
[>
Donottrytostartthecarbypushingortow-
ing.Damagetothecatalyticconvertersand
othercomponentsofthecarmayresult.
220PracticalTips,EmergencyService
/!\Warning!
Riskofdamageandseriouspersonalinjury
duetoshortcircuit.
[>
Useonlyjumpercablesofadequatediameter
cross-sectionandfittedwithcompletelyinsu-
latedalligatorclips.
[>
Followallwarningsandinstructionsofthe
jumpercablemanufacturer.
[>
Whenconnectingjumpercables,makesure
thattheycannotgetcaughtinanymoving
partsintheenginecompartment.
Thejumpercablesmustbelongenoughso
thatneithervehiclesnorcablestouchanother.
[>
Thevehiclesmustnotbeincontact,other-
wisecurrentmightflowassoonastheposi-
tiveterminalsareconnected.
[>
Thecableclampsmustnotbeallowedtocon-
tacteachotherwhenoneendofthejumper
cablesareconnectedtoabattery.
[>Ensurethattoolsorconductivejewellery
(rings,chains,watchstraps)donotcomeinto
contactwithlivepartsofthevehicle.
[>Improperhook-upofjumpercablescanruin
thealternator.

Dangerofcaustic
burns.
[>
Donotleanoverthebattery.

Dangerofgasexplosion.

[>Improperuseofboosterbatterytostartave-
hiclemaycauseanexplosion,resultingin
severepersonalinjuries.
[>Keepsourcesofignitionawayfromthebat-
tery,e.g.openflame,burningcigarettesor
sparkingduetocablecontactorwelding
work.
[>
Adischargedbatterycanfreezeevenat
-lOOCj14°F.
Beforeconnectingjumpercables,afrozen
batterymustbethawedout.

TechnicalData
Enginedata
Type
Numberofcylinders
Bore
Stroke
Cubiccapacity
Compressionratio
Net-horsepower,SAEJ
1349

atcrankshaftspeed
Nettorque,SAEJ
1349

atcrankshaftspeed
Alternator
Firingorder
Enginecontrol
244TechnicalData
M96/03M96/035
(high-powerversion)
Horizontallyopposedengine,liquidcooled
6
3.78in./96mm
3.26in./82.8mm
219.3cu.in./3596cm3
11.3:1
320hpj235kW
6800rpm
273ft.Ib./370Nm
4250rpm
1680Wj120
A

1-6-2-4-3-5
Stationaryhigh-voltagedistribution,sequentialinjection,
cylinder-selectiveknock-control,stereooxygensensorclosed-loopcontrol,diagnosticsystem,
4overheadcamshafts,PorscheVarioCamPlus,hydraulicvalveclearancecompensation
345hpj254kW
6800rpm
273ft.Ib./370
Nm
4800rpm