Exhaust Citroen C4 2005 2.G User Guide

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ENGINESPECIAL FEATURES - TIGHTENING TORQUES (m.daN)
Cylinder head
1 Exhaust manifold stud 0,7 ± 0,1
Exhaust manifold nuts
2Tightening on heat shield2,5 ± 0,2
Tightening apart from on heat shield3,5 ± 0,3
3 Oxygen sensor 4,7 ± 0,5
Coolant outlet housing fixing
4Tightening of the nuts1 ± 0,2
Tightening of the screws1 ± 0,1
5 Thermostat fixing screw 0,8 ± 0,1
6 Coolant outlet housing fixing stud 0,3 ± 0,1
7 Engine coolant temperature sensor 1,7 ± 0,1
8 Motorised butterfly housing fixing screws 0,8 ± 0,1
9 Inlet manifold screws 2,2 ± 0,4
10 Inlet manifold fixing nuts 2,2 ± 0,5
11 Inlet manifold stud 0,8 ± 0,1
Engine: RFK
B1BP35QP
(*) = IMPERATIVE: Respect the tightening sequence(see following page).
C4
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ENGINE
SPECIAL FEATURES - TIGHTENING TORQUES (m.daN)
Cylinder head
Cylinder head bolts (*)
1st pre-tightening1,5 ± 0,1
122nd pre-tightening5 ± 0,5
Angular slackening360°
Tightening2 ± 0,2
Angular tightening285° ± 5°
Valve cover screws (*)
13Pre-tightening0,5
Tightening1,1 ± 0,1
14 Sparking plugs 2,7 ± 0,2
Camshaft bearing cap cover screws (*)
15Pre-tightening0,5
Tightening1,1 ± 0,1
16 Valve for injection of air to the exhaust 0,9 ± 0,2
Engine: RFK
B1BP35QP
(*) = IMPERATIVE: Respect the tightening sequence (see following page).
C4
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ENGINE
SPECIAL FEATURES - TIGHTENING TORQUES (m.daN)
Engines8HX 8HZ
Cylinder head
Camshaft bearing covers
Pre-tightening0,5
Tightening1
Fixing of camshaft sub-assemblies on cylinder head
Pre-tightening0,5
Tightening1
Exhaust manifold2,5 ± 0,2
Valve cover2,5 ± 0,2
Camshaft pulley4,3 ± 0,4
Flywheel
Flywheel
Pre-tightening1,7 1,7
Angular tightening70°±5° 75°±5°
Clutch mechanism2 ± 0,2
Lubrication circuit
Oil pump assembly
Pre-tightening0,5 ± 0,06
Tightening0,9 ± 0,1
Coolant/oil heat exchanger1 ± 0,1
XSARA
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ENGINE
SPECIAL FEATURES - TIGHTENING TORQUES (m.daN)
Cylinder head
Camshaft bearing cover studs
4Pre-tightening0,5 ± 0,1
Tightening1 ± 0,1
5 Exhaust gas recycling electrovalve (EGR) 1 ± 0,1
Cylinder head
6Pre-tightening2 ± 0,2
Tightening4 ± 0,5
Angular tightening260° ± 5°
7 Vacuum pump 1,8 ± 0,2
Coolant outlet housing
8Pre-tightening0,3 ± 0,1
Tightening0,7 ± 0,1
Engine: 9HX
B1DP05BC
(6) Sequence for tightening the cylinder head bolts
B1BP39YP
C4
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ENGINESPECIAL FEATURES - TIGHTENING TORQUES (m.daN)
Cylinder head
9 Exhaust manifold 2,5 ± 0,2
10 Exhaust manifold stud 1 ± 0,2
11 Turbocompressor nuts 2,6 ± 0,6
12 Catalytic converter nuts 2 ± 0,1
Air flowmeter
13Pre-tightening0,1
Tightening0,9 ± 0,2
Engine: 9HX
B1BP39YP
C4
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ENGINE
SPECIAL FEATURES - TIGHTENING TORQUES (m.daN)
Cylinder head
Camshaft bearing cover studs
4Pre-tightening0,5 ± 0,1
Tightening1 ± 0,1
5 Exhaust gas recycling electrovalve (EGR) 1 ± 0,1
Cylinder head
6Pre-tightening2 ± 0,2
Tightening4 ± 0,5
Angular tightening260° ± 5°
7 Vacuum pump 1,8 ± 0,2
Coolant outlet housing
8Pre-tightening0,3 ± 0,1
Tightening0,7 ± 0,1
Engines: 9HY - 9HZ
B1DP05BC
(6) Sequence for tightening the cylinder head bolts
B1BP39XP
C4
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ENGINESPECIAL FEATURES - TIGHTENING TORQUES (m.daN)
Cylinder head
9 Exhaust manifold 5 ± 0,2
10 Exhaust manifold stud 1 ± 0,2
11 Turbocompressor nuts 2,6 ± 0,6
12 Catalytic converter nuts 2 ± 0,1
Double butterfly housing (according to equipment)
13Pre-tightening0,1
Tightening0,9 ± 0,2
Engines: 9HY - 9HZ
B1BP39XP
C4
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ENGINE
SPECIAL FEATURES - TIGHTENING TORQUES (m.daN)
Engines9HZ - 9HY
Cylinder head
Camshaft bearing covers
Pre-tightening0,5 ± 0,1
Tightening1 ± 0,1
Exhaust manifold3 ± 0,3
Camshaft pulley
Pre-tightening2 ± 0,2
Angular tightening50°±5°
Cylinder head
Pre-tightening2 ± 0,2
Tightening4 ± 0,5
Angular tightening260° ± 5°
EGR valve1 ± 0,1
Flywheel - Clutch
Flywheel
Pre-tightening3 ± 0,3
Angular tightening90°±5°
Clutch mechanism2 ± 0,2
XSARA PICASSO
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ENGINE
SPECIAL FEATURES - TIGHTENING TORQUES (m.daN)
Crankshaft
Bearing cap fixing screws7 ± 0,7
Con rod nuts
Pre-tightening2 ± 0,2
Angular tightening70°±5°
Accessories drive pulley hub
Pre-tightening4 ± 0,2
Angular tightening55°±5°
Accessories drive pulley1 ± 0,1
Cylinder block
Piston skirt spray jet1 ± 0,1
Sump1,6 ± 0,1
Timing belt guide roller4,3 ± 0,4
Timing belt tensioner roller2,1 ± 0,2
Cylinder head
Camshaft bearing covers2 ± 0,2
Exhaust manifold0,3
Valve cover0,5
Camshaft / hub4,3 ± 0,4
Camshaft pinion / hub2,3 ± 0,2 Engine: WJY
XSARA
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ENGINESPECIAL FEATURES - TIGHTENING TORQUES (m.daN)
Crankshaft
Bearing cap fixing screws7 ± 0,7
Con rod nuts
Pre-tightening2 ± 0,2
Angular tightening70°±5°
Accessories drive pulley hub
Pre-tightening4 ± 0,2
Angular tightening55°±5°
Accessories drive pulley1 ± 0,1
Cylinder block
Piston spray jet1 ± 0,1
Sump1,6 ± 0,1
Timing belt guide roller4,3 ± 0,4
Timing belt tensioner roller2,1 ± 0,2
Cylinder head
Camshaft bearing covers2 ± 0,2
Exhaust manifold3 ± 0,3
Valve cover0,5
Camshaft / hub4,3 ± 0,4
Camshaft pinion / hub2,3 ± 0,2 Engine: WJY
XSARA
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