Citroen C4 2005 2.G Workshop Manual

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ENGINE
SPECIAL FEATURES - TIGHTENING TORQUES (m.daN)
Crankshaft
Bearing cap fixing screws
Pre-tightening2,5 ± 0,2
Angular tightening60°±5°
Con rod nuts
Pre-tightening2 ± 0,2
Angular tightening70°±5°
Accessories drive pulley hub
Pre-tightening4 ± 0,2
Angular tightening51°±5°
Cylinder block
Piston skirt spray jet1 ± 0,1
Sump1,6 ± 0,1
Timing belt guide roller4,3 ± 0,4
Timing belt tensioner roller2,5 ± 0,2
Cylinder head
Camshaft bearing covers1 ± 0,1
Exhaust manifold2 ± 0,2
Valve cover0,8
Camshaft / hub4,3 ± 0,4
Camshaft pinion / camshaft hub2 ± 0,2 Engines: RHY - RHZ
XSARA
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ENGINESPECIAL FEATURES - TIGHTENING TORQUES (m.daN)
Flywheel
Flywheel4,8 ± 0,4
Clutch mechanism2 ± 0,2
Lubrication circuit
Oil pump1,6 ± 0,2
Coolant oil heat exchanger7 ± 0,7
Turbocharger lubrication pipe
Engine end4,8 ± 0,4
Turbocharger end2,2 ± 0,2
Injection circuit
Injector fixing flange nut3 ± 0,3
Unions on fuel high pressure common injection rail2 ± 0,2
Injection pump on support2,3 ± 0,2
Union on diesel injector2 ± 0,2
Injection pump pulley5 ± 0,5
Union on fuel high pressure pump2 ± 0,2
Cooling circuit
Coolant pump1,5 ± 0,1
Coolant inlet housing1,8 ± 0,1 Engines: RHY - RHZ
XSARA
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ENGINE
Lower engine support
SPECIAL FEATURES - TIGHTENING TORQUES (m.daN)
1 5,5 ± 0,5
2 6 ± 0,5
3
4 5,5 ± 0,5
5
13 6 ± 0,6
14
1 ± 0,1
15
16 5,5 ± 0,5
17 4 ± 0,4
18 6 ± 0,6
B1BP35HD
Suspensions for engine/gearbox assembly
Engine: RHR
RH engine support LH engine support
B1BP35KD
B1BP35JD
6 3 ± 0,3
7 6,5 ± 0,6
8 2 ± 0,2
9 4,5 ± 0,4
10 3 ± 0,3
11 5,5 ± 0,5
12 5 ± 0,5
C4
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ENGINESPECIAL FEATURES - TIGHTENING TORQUES (m.daN)
Cylinder head
Exhaust manifold
1Pre-tightening1,5
Tightening3 ± 0,3
2 Turbocompressor 2,5 ± 0,2
3 Exhaust clip 2,5 ± 0,5
Cylinder head bolts (*)
Pre-tightening2,2 ± 0,2
4Tightening6 ± 0,5
Slackening1 Turn
Tightening6 ± 0,5
Angular tightening220° ± 5°
Engine: RHR
B1DP1LCPB1DP1LDC
(*) (4) Sequence of tightening
C4
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ENGINE
SPECIAL FEATURES - TIGHTENING TORQUES (m.daN)
Cylinder head
5 Camshaft bearing cap cover screws (*) 1 ± 0,1
6 Coolant outlet housing fixing 2 ± 0,2
Camshaft bearing cap cover studs (*)
7Pre-tightening (the 26 screws Ø 6)0,5
Tightening (the 26 screws Ø 6)1 ± 0,1
8 Inlet valve cover screws (*) (19 screws) 0,9 ± 0,1
Engine: RHR
B1DP1LCP
C4
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ENGINESPECIAL FEATURES - TIGHTENING TORQUES (m.daN)
Engine: RHR
B1DP1LED
(*) Bolts (5) and (7) Sequence of tightening(*) Bolts (8) Sequence of tightening
Cylinder head
(5) Camshaft bearing cap cover screws
(7) Camshaft bearing cap cover studs(8) Inlet valve cover screws
B1BP38ZD
C4
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ENGINE
SPECIAL FEATURES - TIGHTENING TORQUES (m.daN)
Cylinder block
9 Oil circuit plug 3 ± 0,3
10 Coolant pump screw 1,6 ± 0,3
Crankshaft bearing cap screws (*)
11Pre-tightening2,5 ± 0,2
Angular tightening60°±5°
Con rod cap nuts
Tightening1
12Slackening 180°
Tightening2,3 ± 0,1
Angular tightening45°±5°
Engine: RHR
B1CP0GNPB1CP0DGC
(*) (11) Crankshaft bearing cap screws
C4
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ENGINESPECIAL FEATURES - TIGHTENING TORQUES (m.daN)
Cylinder block
13 Front closing plate screw
Flywheel screws
14Pre-tightening1,5
Tightening4,7 ± 0,4
Accessories drive pulley screw
15Pre-tightening7 ± 0,25
Angular tightening60°±5°
Engine: RHR
B1CP0GNP
C4
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ENGINE
SPECIAL FEATURES - TIGHTENING TORQUES (m.daN)
Lubrication
16 Oil pump screw 1,6 ± 0,1
17 Piston skirt spray jet screw 1 ± 0,1
18 Drain plug 3,4 ± 0,4
Oil sump (length 40 mm )
19Pre-tightening1
Tightening1,6 ± 0,3
Oil sump (length 21 mm)
20Pre-tightening1
Tightening1,6 ± 0,3
21 Electric oil gauge 2,7 ± 0,2
Engine: RHR
B1CP0GPP
C4
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ENGINESPECIAL FEATURES - TIGHTENING TORQUES (m.daN)
Lubrication
22 Oil pressure switch 2 ± 0,2
Oil filter support (*)
23Tightening1 ± 0,1
Tightening2 ± 0,2
24 Oil filter cover 2,5 ± 0,5
Engine: RHR
B1CP0GPPB1FP062C
(*) (23) Sequence of tightening
C4
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