M.dan Citroen C4 2005 2.G Workshop Manual

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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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ENGINE
SPECIAL FEATURES - TIGHTENING TORQUES (m.daN)
Timing
Camshaft drive pulley screw
25Tightening7 ± 0,7
Angular tightening60°±5°
Guide roller screw
26Pre-tightening1,5
Tightening4,3 ± 0,427 Tensioner roller screw 2,1 ± 0,2
Engine: RHR
B1EP1HPD
C4
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ENGINESPECIAL FEATURES - TIGHTENING TORQUES (m.daN)
Injection circuit
28 High pressure pipe union on injector 2,5 ± 0,2
Diesel injector nuts
29Do up both nuts by hand
Tightening0,4 ± 0,3
Angular tightening45°±5°
30 Fuel high pressure pump screw 2,25 ± 0,3
31 High pressure pipe union on fuel high pressure pump 2,5 ± 0,2
32 Fuel high pressure supply common rail nuts 3 ± 0,3
33 Union on fuel high pressure supply common rail 2,5 ± 0,2
Engine: RHR
B1HP22LD
C4
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ENGINE
SPECIAL FEATURES - TIGHTENING TORQUES (m.daN)
Accessories
34 Alternator support 2 ± 0,2
35 Alternator 4,9 ± 0,4
36 Aircon compressor 2,5 ± 0,2
37 Accessories belt tensioner roller 4,3 ± 0,4
Engine: RHR
B1BP390D
C4
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ENGINESPECIAL FEATURES - CYLINDER HEAD TIGHTENING
Engines all types
B1DP05BC
Cleaning to be carried out just prior to refitting the cylinder head.
WARNING: Clean the contact faces with the approved CITROËN cleaning product.
Do not use abrasives or cutting tools on the contact faces.
The contact faces must not bear any traces of impact or scratching.
Insert a tap in the threads of the holes in the cylinder block receiving the cylinder head bolts.
Brush the threads of the cylinder head bolts..
Oil the threads and under the heads of the bolts, usingMOLYKOTE G RAPID PLUS.
EnginesTightening Cylinder head bolts
(m.daN)(Max. reusable length in mm)
NFUTightening2 ± 0,2
Angular tightening260° ± 5°122 ± 0,3
Pre-tightening1,5 ± 0,2
KFUTightening2,5 ± 0,2 119
Angular tightening200° ± 5°
6FZ - RFNPre-tightening1,5 ± 0,1
147
Tightening5 ± 0,1
RFJAngular slackening360° ± 2° 127,5 ± 0,5
Tightening2 ± 0,75
RFKAngular tightening285° ± 5° 144,5 ± 0,5
NOTE: Tightening of the cylinder head after a repair is prohibited.
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ENGINE
SPECIAL FEATURES - CYLINDER HEAD TIGHTENING
Engines all types
B1DP05BC
Cleaning to be carried out just prior to refitting the cylinder head.
WARNING: Clean the contact faces with the approved CITROËN cleaning product.
Do not use abrasives or cutting tools on the contact faces.
The contact faces must not bear any traces of impact or scratching.
Insert a tap in the threads of the holes in the cylinder block receiving the cylinder head bolts.
Brush the threads of the cylinder head bolts..
Oil the threads and under the heads of the bolts, using MOLYKOTE G RAPID PLUS.
EnginesTightening Cylinder head bolts
(m.daN)(Max. reusable length in mm)
Pre-tightening2 ± 0,2
WJYTightening6 ± 0,6 125,5
Angular tightening180° ± 5°
Pre-tightening2 ± 0,2
RHY - RHZTightening6 ± 0,6 133,3
Angular tightening220° ± 5°
Pre-tightening2 ± 0,2
Tightening6 ± 0,6
RHRSlackening360° 134,5
Pre-tightening2 ± 0,2
Tightening6 ± 0,6
Angular tightening220° ± 5°
NOTE: Tightening of the cylinder head after a repair is prohibited.
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