Contents Wiring diagrams Section: Power unit All sections

Data: EW10A engine (EW10A) Citroen C5 I facelift

Power unit ~221 words

Identification

"a" legislation type - engine code

"b" identification marking

"c" production serial number

Data

engine codeEW10A
legislation typeRFJ
capacity (cc)1997
bore x stroke (mm)85 x 88
compression ratio10,8/1
max. power (E.E.C.)103 KW at 6000 revs/min
max. power (HP DIN)140 HP DIN
max. torque (E.E.C.)19,5 m.daN at 3000 rpm
max. torque (DIN)20 m.kg
emission control standardsEURO 4/L5
fuelunleaded premium 95 and 98 RON
catalytic converteryes
injection systemmultipoint injection
makeMAGNETI MARELLI
type6LPB

Cylinder head

Laminated metallic cylinder head gasket

"d" reference zone

"e" area of marking

EW10Anominal dimension
reference zone: "d"3-5
area of marking: "e"
gasket thickness0,67 mm
makeMEILLOR

Cylinder head bolts

A - thickness of the washer: 4 ± 0,2 mm

X - new bolt length below heads = 127,5 mm

WarningDo not re-use cylinder head bolts if they are longer than 129,5 mm mm

Cylinder head tightening

WarningPerform the following operations: bolt by bolt in the order from 1 to 10. slackening: perform in reverse order (from 10 to 1)

Tightening procedure

  • Pre-tighten the bolts to 1,5 ± 0,1 daNm (order from 1 to 10)
  • Tighten the bolts to 5 ± 0,1 daN.m (order from 1 to 10)
  • Slacken the bolts by 360 ± 2° (order from 1 to 10)
  • Tighten the bolts to 2 ± 0,2 daN.m (order from 1 to 10)
  • Angular tighten to 285 ± 5 ° (order from 1 to 10)

NoteRetightening of the cylinder head after a repair is prohibited

Timing gear

Camshafts

The camshafts are identified by the following references

  • Paint rings
  • Marking stamped into the end of the camshaft (timing side)

(1) exhaust camshaft

(2) Induction camshaft

"f" paint rings: repair reference

"g" target of the camshaft position sensor

EW10Aexhaust camshaft (1)Induction camshaft (2)
valve lift markingD1348D1309
paint rings(at "f")

Valve clearances when cold

Hydraulic tappets with automatic adjustment