CITROEN C4 2004 - Page 64

61
ENGINES
SPECIAL FEATURES: TIGHTENING TORQUES
Cylinder head
1 Inlet air pressure sensor 0,8 ± 0,1
2 Motorised butterfly housing fixing screws 0,7 ± 0,1
3 Inlet manifold nuts 0,8 ± 0,2
4Valve cover screws (*) 0,9 ± 0,1
5 Coolant outlet husing screws 0,8 ± 0,2
6 Thermostat fixing screw 0,8 ± 0,2
7 Oxygen sensor 4,7 ± 0,7
Catalytic converter fixing nuts (*)
8 Pre-tightening 1,8 ± 0,3
Tightening 4 ± 0,4
Check the tightening 4 ± 0,4
9 Exhaust manifold nuts 2,3 ± 0,5
10 Exhaust manifold fixing stud 0,8 ± 0,1
11 Lubrication plug 1,5 ± 0,2
Cylinder head bolts (*)
12 Tightening 2 ± 0,2
Angular tightening 260° ± 5°
13 Camshaft bearing cap screws (*) 0,9 ± 0,1
14 Inlet manifold fixing stud 0,8 ± 0,1
15 Engine coolant temperature sensor (CMM) 1,7 ± 0,1
16 Engine coolant temperature sensor (instrument panel) 1,7 ± 0,1
17 Sparking plugs 3 ± 0,1
Engine: NFU
B1BP362P
(*) = IMPERATIVE: Respect the tightening sequence (see following page).
UK-C4-page048-130-2004 15/11/04 9:23 Page 61