2005 Citroen C4 pressure

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ENGINE
SPECIAL FEATURES - TIGHTENING TORQUES (m.daN)
Cylinder head1 Inlet air pressure sensor 0,8 ± 0,12 Motorised butterfly housing fixing screws 0,7 ± 0,13 Inlet manifold nuts 0,8 ± 0,24 Valve cover screws (*) 0,9 ± 0,15 Coolant outlet housing screw 0,8 ± 0,26 Thermostat fixing screw 0,8 ± 0,27 Oxygen sensor 4,7 ± 0,7
Catalytic converter fixing nuts (*)
8Pre-tightening1,8 ± 0,3
Tightening4 ± 0,4
Check the tightening4 ± 0,49 Exhaust manifold nuts 2,3 ± 0,510 Exhaust manifold fixing stud 0,8 ± 0,111 Lubrication plug 1,5 ± 0,2
Cylinder head bolts (*)
12Tightening2 ± 0,2
Angular tightening260° ± 5°13 Camshaft bearing cap screws (*) 0,9 ± 0,114 Inlet manifold fixing stud 0,8 ± 0,115 Engine coolant temperature sensor (CMM) 1,7 ± 0,116 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).
C4
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ENGINESPECIAL FEATURES - TIGHTENING TORQUES (m.daN)
Lubrication
29 Strainer fixing 0,8 ± 0,2
30 Oil gauge screw 0,8 ± 0,1
31 Piston skirt spray jet 1,5 ± 0,2
32 Drain plug 3 ± 0,5
33 Oil sump screw 0,8 ± 0,1
34 Oil pressure switch 2 ± 0,2
35 Oil circuit plugs 2,5 ± 0,5
36 Oil filter support screw 0,8 ± 0,2
37 Oil level sensor 0,8 ± 0,2
38 Oil pump screw 0,9 ± 0,1
Engine: NFU
B1BP363P
C4
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ENGINESPECIAL FEATURES - TIGHTENING TORQUES (m.daN)
Lubrication
26 Oil gauge screw 1 ± 0,2
27 Oil filter support screw 0,8 ± 0,1
28 Anti-emulsion plate fixing screw 1,9 ± 0,3
29 Oil level sensor fixing screw 1 ± 0,2
30 Drain plug 3,4 ± 0,3
31 Oil sump screw 0,8 ± 0,1
32 Oil pressure switch 2 ± 0,2
33 Oil strainer fixing nuts 0,8 ± 0,1
34 Oil strainer stud 0,6 ± 0,1
Coolant pump screw
35Pre-tightening0,7
Tightening1 ± 0,1
Engine: RFJ
B1BP35NP
C4
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ENGINESPECIAL FEATURES - TIGHTENING TORQUES (m.daN)
Lubrication
27 Oil gauge screw 1 ± 0,2
28 Oil level sensor fixing screw 1 ± 0,2
29 Drain plug 3,4 ± 0,3
30 Oil sump screw 0,8 ± 0,1
31 Oil pressure switch 2 ± 0,2
32 Oil strainer fixing nuts 1,1 ± 0,1
33 Oil strainer stud 0,6 ± 0,1
Oil pump screw
34Pre-tightening0,7
Tightening1 ± 0,1
35 Oil filter support screw 0,8 ± 0,2
36 Anti-emulsion plate fixing screw 1,9 ± 0,3
Engine: RFN
B1BP34NP
C4
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ENGINESPECIAL FEATURES - TIGHTENING TORQUES (m.daN)
Lubrication
26 Oil gauge screw 1 ± 0,2
27 Oil level sensor fixing screw 1 ± 0,2
28 Drain plug 3,4 ± 0,3
29 Oil sump screw 0,8 ± 0,1
30 Oil pressure switch 2 ± 0,2
31 Oil strainer stud 0,6 ± 0,1
Oil pump screw
32Pre-tightening0,7
Tightening1 ± 0,1
33 Oil strainer fixing nuts 1,1 ± 0,1
34 Oil filter support screw 0,8 ± 0,2
35 Anti-emulsion plate fixing screw 1,9 ± 0,3
Engine: RFK
B1BP35RP
C4
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ENGINESPECIAL FEATURES - TIGHTENING TORQUES (m.daN)
Engines8HX - 8HZ
Diesel injection circuit
Spherical-base screws for diesel injection fixing fork 0,3 ± 0,1
Fuel high pressure common injection rail on engine block 2 ± 0,2
Unions on fuel high pressure common injection rail
Pre-tightening1,7± 0,2
Tightening2,25 ± 0,2
Diesel injection pump on support
Union on diesel injection pump2,25 ± 0,2
Diesel injection pump pulley5 ± 0,5
Union on diesel high pressure pump 2,25 ± 0,2
Cooling circuit
Coolant pump
Pre-tightening0,3 ± 0,06
Tightening1 ± 0,1
Coolant outlet housing
Pre-tightening0,3 ± 0,06
Tightening0,7 ± 0,08
XSARA
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ENGINESPECIAL FEATURES - TIGHTENING TORQUES (m.daN)
Lubrication
21
Turbocharger lubrication pipe3 ± 0,5
222,1 ± 0,3
23 Oil pressure switch 2 ± 0,2
24 Oil gauge 0,8 ± 0,2
25 Electric oil gauge 2,7 ± 0,5
26 Piston skirt spray jets 2 ± 0,5
27 Oil filter cover 2,5 ± 0,5
28 Oil filter support 1 ± 0,2
29 Coolant/oil heat exchanger 1 ± 0,1
30 Drain plug 2,5 ± 0,3
31 Oil induction strainer 1 ± 0,1
32 Sump 1,2 ± 0,2
33 Oil pump assembly 0,9 ± 0,1
Engine: 9HX
B1DP1LMD
C4
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ENGINESPECIAL FEATURES - TIGHTENING TORQUES (m.daN)
Injection circuit
Union on injector
39Pre-tightening2 ± 0,5
Tightening2,5 ± 0,3
Injector fixing flange but
40Pre-tightening0,5 ± 0,5
Angular tightening65°±5°
41 Diesel injection pump on support 2,2 ± 0,3
42 Diesel injection pump pulley 5 ± 0,5
43 Diesel fuel high pressure pump front support 2 ± 0,5
Engine: 9HX
B1HP22SD
C4
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