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Data: engine (EW12J4) Citroen C8 I

Power unit

Identification

(1) identification marking

  • A - engine legislative type
  • B - identification marking
  • C - production serial number

Data

engine codeEW10J4EW12J4
engine legislative typeRFN3FZ
identification markingspecific to the vehiclespecific to the vehicle
number of cylinders44
bore x stroke (mm)85 x 8886 x 96
capacity (cc)19972230
compression ratio10,8/110,8/1
max. power (E.E.C.)100 kW116 kW
max. power (DIN)138 hp160 hp
max. power speed (rpm)60005650
max. torque (E.E.C.)19 daNm21,7 daNm
max. torque speed (rpm)41003900
fuel supply systemmultipoint injectionmultipoint injection
makeMAGNETI MARELLIMAGNETI MARELLI
typeMM 4.8PMM 4MP

Tightening torques

Power unit suspension

referencedesignationEW10J4EW10J4EW12J4
-gearboxmanual gearbox (type BE4)autoactive automatic gearbox AL4manual gearbox (type ML5C)
1body / tie bar mounting bolt5 daNm
2engine mounting / torque reaction rod end stop pin4,5 daNm
3intermediate support / upper support mounting bolt6,5 daNm
4body / upper support mounting bolt3 daNm
5rubber mounting / upper support mounting nut4,5 daNm
6support-
referencedesignationEW10J4EW10J4EW12J4
-gearboxmanual gearbox (type BE4)autoactive automatic gearbox AL4manual gearbox (type ML5C)
7LH engine support / LH rubber support mounting nut6,5 daNm
8body / LH rubber support mounting bolt3 daNm
9gearbox housing / intermediate engine mounting bolt-4,5 daNm-
10gearbox / LH intermediate support mounting bolt6 daNm-4,5 daNm
11LH rubber support pin5 daNm
referencedesignationEW10J4EW10J4EW12J4
-gearboxmanual gearbox (type BE4)autoactive automatic gearbox AL4manual gearbox (type ML5C)
12sub-frame / RH lower tie bar mounting bolt9 daNm
13cylinder block / RH lower engine mounting bolt4,5 daNm
14RH lower engine mounting / lower tie bar mounting bolt6,5 daNm

Reciprocating gear

designationM11M6
pre-tighten1 daNm0,5 daNm
unscrewyesno OK
re-tighten1 then 2 m.daN1 daNm
angular tightening70° +/- 5°-
designation(16) big end caps(17) flywheel/crankshaft assembly
pre-tighten1 daNm2,5 daNm
unscrewyes180°
re-tighten2,5 daNm1 daNm
angular tightening46° +/- 5°22°

Items on the cylinder head: EW10J4 engine

referencedesignationpre-tightentightening
(18)camshaft bearing cap housings0,5 daNm1 daNm
(19)cylinder head covers0,5 daNm1,5 daNm
(20)inlet manifold-1 daNm
(21)exhaust manifold-3,5 daNm

Items on the cylinder head: EW12J4 engine

referencedesignationpre-tightentightening
(18)camshaft bearing cap housings0,5 daNm1 daNm
(19)cylinder head covers0,5 daNm1,5 daNm
(20)inlet manifold-1 daNm
(21)exhaust manifold-3,5 daNm

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