2005 Citroen C4 ESP

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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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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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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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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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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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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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ENGINESPECIAL FEATURES - CYLINDER HEAD TIGHTENING
Engines all types
B1DP1CLC
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
KFW - NFV
Angular tightening240° ± 5°175,5
Pre-tightening2 ± 0,2
8HX - 8HZ
Tightening4 ± 0,4 149
8HY
Angular tightening230° ± 5°
Pre-tightening2 ± 0,2
9HY - 9HZ
Tightening4 ± 0,4 147
9HX
Angular tightening260° ± 5°
NOTE: Tightening of the cylinder head after a repair is prohibited.
B1BP10LC
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ENGINETools
BELT TENSION/SEEM UNITS CORRESPONDENCE TABLE
!4099-T (C.TRONIC.105)4122-T (C.TRONIC.105.5) !!!
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