CITROEN C4 2004 - Page 85

82
ENGINES
SPECIAL FEATURES: TIGHTENING TORQUES
Cylinder head
Valve cover screws (*)
1 Pre-tightening 0,5
Tightening 1,1 ± 0,1
2 Exhaust manifold stud 0,7 ± 0,1
Exhaust manifold nuts
3 Tightening on heat shield 2,5 ± 0,2
Tightening apart from on heat shield 3,5 ± 0,3
4 Oxygen sensor 4,7 ± 0,5
5 Coolant outlet housing fixing (BSE)
Tightening of the nuts 1 ± 0,2
Tightening of the screws 1 ± 0,1
6 Thermostat fixing screw 0,8 ± 0,1
7 Coolant outlet housing fixing stud (BSE) 0,3 ± 0,1
8 Engine coolant temperature sensor 1,7 ± 0,1
9 Inlet manifold screws 2,2 ± 0,4
10 Motorised butterfly housing fixing screws 0,8 ± 0,1
Engine: RFN
B1BP34MP
(*) = IMPERATIVE: Respect the tightening sequence (see following page).
UK-C4-page048-130-2004 15/11/04 9:23 Page 82