2005 Citroen C4 engine

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ENGINE
Impact absorber LH engine support on gearbox
SPECIAL FEATURES - TIGHTENING TORQUES (m.daN)
1 6 ± 0,6
2 5,5 ± 0,5
3 6 ± 0,6
7
8
9 4 ± 0,4
10
11
B1BP38CC
Suspensions for engine/gearbox assembly
Engines: 9HX - 9HY - 9HZ
RH engine support Torque reaction rod
B1BP38EC
B1BP38DC
4 6 ± 0,6
5 3,9 ± 0,4
6 5,4 ± 0,8
12 2 ± 0,3
13 6,5 ± 0,6
14 3 ± 0,3
15 6 ± 0,6
16 2 ± 0,2
B1BP38FC
C4
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ENGINESPECIAL FEATURES - TIGHTENING TORQUES (m.daN)
Cylinder head
1 Air inlet manifold 1 ± 0,1
2 Oil trap 1 ± 0,1
Camshaft bearing covers
3Pre-tightening0,5 ± 0,1
Tightening1 ± 0,1
Engine: 9HY
B1BP39YPB1DP1D7D
(3) Camshaft bearing cover screws
(4) Camshaft bearing cover studs
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
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 block
Coolant pump
14Pre-tightening0,3 ± 0,1
Tightening0,9 ± 0,1
Con rod screws
15Pre-tightening1 ± 0,1
Angular tightening100° ± 5°
Flywheel (according to equipment)
16Pre-tightening1,7 ± 0,2
Angular tightening75°±5°
Clutch mechanism 2 ± 0,2
Engine: 9HX
B1DP1LKPB1CP0GKC
(16) Sequence for tightening the flywheel screws
C4
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ENGINESPECIAL FEATURES - TIGHTENING TORQUES (m.daN)
Cylinder block
Bearing cap fixing screws
Pre-tightening1 ± 0,2
17Slackening180°
Tightening3 ± 0,3
Angular tightening140° ± 5°
18 Crankshaft bearing cap cover screws 0,8 ± 0,3
Crankshaft bearing cap cover screws
19Pre-tightening0,6 ± 0,2
Tightening0,8 ± 0,3
Accessories drive pulley
20Pre-tightening3,5 ± 0,4
Angular tightening190° ± 5°
Engine: 9HX
B1DP1LKP
C4
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ENGINE
SPECIAL FEATURES - TIGHTENING TORQUES (m.daN)
Cylinder block
Crankshaft bearing cap cover
Tightening method:
Pre-tighten the 10screws (17)
(from 1 to 10)to1
Pre-tighten the 14screws (19) (from 11 to 24)to 0,6
Tighten the 2 screws (18) (inside the flywheel bell housing)to0,8
Slacken the screws (17)by 180°
Tighten the 10screws (17)
(from 1 to 10)to 3
Tighten the screws (17) (from 1 to 10)by 140°Tighten the 14screws (19) (from 11 to 24)to0,8
Engine: 9HX
B1DP1LLD
Sequence for tightening the screws (17), (18) and (19)
(17) Bearing cap fixing screws
(screw M9)
(18) Crankshaft bearing cap cover screws(screw M6)
(19) Crankshaft bearing cap cover screws (screw M6)
C4
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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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