torque Citroen C3 2004 1.G User Guide

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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

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ENGINE
SPECIAL FEATURES TIGHTENING TORQUES (m.daN )
Flywheel Clutch
Engines HFX KFV NFU
Flywheel6,7 ± 0,6 + LOCTITE FRENETANCH
Clutch mechanism2 ± 0,2
Lubrication circuit
Oil pressure switch2 ± 0,2
Oil pump0,9 ± 0,1
Cooling circuit
Coolant pump1,4 ± 0,1
Coolant outlet housing0,8 ± 0,1
C3

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ENGINETIGHTENING TORQUES: POWER UNIT SUSPENSION
Engine: KFU
RH engine support
(1): 6 ± 0,6
(2) : 6 ± 0,6
Torque reaction rod
(3) : 6 ± 0,6
(4) : 6 ± 0,6
LH engine support on gearbox
(5) : 3 ± 0,3
(6):6 ± 0,6
(7):5,5 ± 0,5
B1BP2ZBP
C3

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ENGINE
SPECIAL FEATURES TIGHTENING TORQUES (m.daN )
EngineKFU
Crankshaft
Accessories drive pulley0,8 ± 0,2
Pinion fixing on crankshaft
Pretightening
4 ± 0,4
Angular tightening45 ± 4°
Cylinder block
Sump0,8 ± 0,2
Accessories belt guide roller4 ± 0,4
Timing belt tensioner roller2,1 ± 0,2
Accessories belt tensioner roller2,5 ± 0,2
Alternator support2,5 ± 0,3
Crankshaft bearing caps
Tightening
2 ±0,3
Angular tightening44°(reused screws cleaned and greased)
Cylinder head
Coolant outlet housing0,8 ± 0,2
Camshaft bearing caps1 ± 0,2
Camshaft bearing cap covers0,9 ± 0,1
Inlet manifold0,8 ± 0,2
C3

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ENGINESPECIAL FEATURES TIGHTENING TORQUES (m.daN )
Cylinder head
Exhaust manifold1,8 ± 0,2
Sparking plugs2,2 ± 0,2
VVT pulley cap4 ± 0,4
VVT control electrovalve0,8 ± 0,2
VVT inlet camshaft pulley screw
Pretightening
2 ± 0,2
Tightening6,1 ± 0,6
Exhaust camshaft pulley screw4,5 ± 0,4
Flywheel / Clutch
Engine flywheel6,7 ±0,6 (coat the screws with LOCTITE FRENETANCH)
Clutch mechanism2 ± 0,2
Lubrication circuit
Oil pressure switch2 ± 0,2
Oil pump0,9 ± 0,1
Cooling circuit
Coolant pump1 ± 0,1
Coolant outlet housing0,8 ± 0,1
C3

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ENGINE
SPECIAL FEATURES TIGHTENING TORQUES (m.daN )
Engines: 8HX 8HW
RH engine support
(1) : 4,5 ± 0,4
(2) : 3 ± 0,3
Torque reaction rod(3):6 ± 0,6
(4) : 6 ± 0,6
LH engine support on gearbox
(5) : 5,4 ± 0,5
(6) : 6 ± 0,6
(7) : 5,5 ± 0,5
B1BP2LJP
C3

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ENGINESPECIAL FEATURES TIGHTENING TORQUES (m.daN )
Engine: 8HZ
RH engine support
(1) : 2 ± 0,2
(9) : 2,5 ± 0,2
(10) : 4,5 ± 0,5
(11) : 4,5 ± 0,5(12): 6 ± 0,6
RH lower engine support
(8):5,7 ±0,9
Torque reaction rod.
(2) : 4,5 ± 0,5
(3) : 4,5 ± 0,5
(4) : 4,5 ± 0,5
LH engine support
(5) : 6,5 ± 0,6
LH lower engine support
(6):2,2 ± 0,2
(7) : 2 ± 0,2
B1BP2WLP
XSARA