2004 Citroen C3 Workshop Manual

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ENGINE
SPECIAL FEATURES TIGHTENING TORQUES (m.daN )
EnginesHFX KFV NFU
Cylinder head
Coolant outlet housing
in plastic
0,8 ± 0,2
in aluminium0,8 ± 0,2
Camshaft bearing caps (TU1JPTU3JP)
Tightening
2 ±0,2
Angular tightening44 °± 4°
Camshaft bearing caps (TU5JP4)
Tightening
2 ± 0,2
Angular tightening50°±5°
Inlet manifold0,8 ± 0,2
Exhaust manifold1,8 ±0,4
Valve rockers adjusting screw1,75 ± 0,25
Sparking plugs3
Camshaft pulley screw (TU1JPTU3JP)3,7 ± 0,2
Camshaft pulley screw (TU5JP4)4,5 ± 0,5
C2

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ENGINESPECIAL FEATURES TIGHTENING TORQUES (m.daN )
EnginesHFX KFV NFU
Flywheel clutch
Engine flywheel6,7 ± 1 (LOCTITE FRENETANCH)
Oil pressure mechanism2 ± 0,2
Lubrication Circuit
Oil pressure switch3,5 ± 0,5
Oil pump0,9 ± 0,1
Cooling circuit
Coolant pump1,6 ± 0,2
C2

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ENGINE
SPECIAL FEATURES TIGHTENING TORQUES (m.daN )
Engine: 8HX
(1) : 6 ± 0,6
(2) : 6 ± 0,6
(3) : 6 ± 0,6
(4) : 6 ± 0,6
(5) : 3 ± 0,3(6): 6 ± 0,6
(7) : 5,5± 0,5
(8) : 5,7 ± 0,9
B1BP2Y1P
C2

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ENGINESPECIAL FEATURES TIGHTENING TORQUES (m.daN )
Engine8HX
Crankshaft
Bearing cap fixing screws
Pretightening
1 ± 0,2
Slackening180°
Tightening3 ± 0,3
Angular tightening140°
Con rod screws
Tightening
1 ± 0,1
Angular tightening100° ± 5°
3 ± 0,3
Angular tightening180° ± 5°
Cylinder block
Sump1,3 ±0,1
Timing belt guide roller2,3 ± 0,2
Timing belt tensioner roller3,7 ± 0,3
C2

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ENGINE
SPECIAL FEATURES TIGHTENING TORQUES (m.daN )
Engine8HX
Cylinder head
Camshaft bearing covers
Pretightening
0,3 ± 0,1
Tightening1 ± 0,1
Fixing of camshaft subassemblies on cylinder head
Pretightening
0,3 ± 0,1
Tightening1 ± 0,1
Exhaust manifold3 ± 0,3
Camshaft pulley
Pretightening
0,3 ± 0,1
Tightening4,3 ± 0,4
Engine flywheel
Flywheel
Pretightening
1,7 ±0,2
Tightening70°±5°
Clutch mechanism2 ± 0,2
C2

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ENGINESPECIAL FEATURES TIGHTENING TORQUES (m.daN )
Engine8HX
Lubrication circuit
Oil pump assembly
Pretightening
0,5 ± 0,1
Tightening0,9 ± 0,1
Coolant/oil heat exchanger1 ± 0,1
Diesel injection circuit
Sphericalbase screws for diesel injection fixing fork2,5 ± 0,2
Fuel high pressure common injection rail on engine block2,2 ± 0,2
Unions on fuel high pressure common injection rail2,5 ± 0,2
Diesel injection pump on support2,2 ± 0,2
Union on diesel injection2,5 ±0,2
Diesel injection pump pulley5 ± 0,5
Union on diesel high pressure pump2,5 ± 0,2
Cooling circuit
Coolant pump
Pretightening
0,3 ±0,1
Tightening0,9 ± 0,1
Coolant outlet housing
Pretightening
0,3 ±0,1
Tightening0,7 ± 0,1
C2

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ENGINE
SPECIAL FEATURES TIGHTENING TORQUES (m.daN )
Engines: HFX KFV NFU
C3 Pluriel
A = KFV
B = NFU
RH engine support
(1) : 6 ± 0,4
(2) : 6 ± 0,6
(3) : 4,5 ± 0,4
Torque reaction rod
(4) : 6 ± 0,6
(5) : 6 ± 0,6
LH engine support on gearbox
(6):3 ±0,3
(7) : 6 ± 0,6
(8) : 5,5 ± 0,5
B1BP2NEP
C3 C3 PLURIEL
C3
A = HFX KFV
B = NFU
RH engine support
(1) : 4,5 ± 0,4(2):6,1 ±0,6
(3) : 4,5 ± 0,4
Torque reaction rod
(4) : 6 ± 0,6(5):6 ±0,6
LH engine support on gearbox
(6): 3 ± 0,3
(7) : 6 ± 0,6(8):5,5 ± 0,5

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ENGINESPECIAL FEATURES TIGHTENING TORQUES (m.daN )
Crankshaft
Engine types HFX KFV NFU
Accessories drive pulley0,8 ± 0,2
Pinion fixing on crankshaft10 ± 1 2,5 ± 0,2
Cylinder block
Sump0,8 ± 0,2
Timing belt tensioner roller2 ± 0,2 2,2 ± 0,2
Accessories belt tensioner roller2 ± 0,2 2,5 ± 0,2
Alternator support fixing1,7 ±0,3
Alternator fixing on support3,7 ± 0,3
Cylinder head
Coolant outlet housing0,8 ± 0,2
Camshaft bearing cap
Tightening
2 ± 0,2 2 ± 0,2
Angular tightening44°±4°50° ± 5°
0,8 ± 0,2
Exhaust manifold1,7 ± 0,3 2 ± 0,2
Valve rockers adjusting screw1,75 ±0,25
Sparking plugs2,75 ± 0,25
Camshaft pulley screw8 ± 0,8
C3