2005 Citroen C4 M.dan

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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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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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ENGINE
B1EP1FUD
B1EP1FVC
AUXILIARY EQUIPMENT DRIVE BELT
Engine: RFJ
Tool.
[1]«Junior» T extension: (-).1608.E
Removing.
Engage tool [1]in the notch «a».
Exert on the roller (1)an effort upwards to hold it at maximum.
Remove the auxiliaries drive belt.
Carefully release the tensioner roller (1)to reach its minimum.
Remove tool[1].
IMPERATIVE: Check that the roller (1) turns freely
(without play and without tight spots).
Refitting.
If removing the auxiliaries drive belt tensioner roller, tighten the screws 2 ± 0,2 m.daN.
Engage tool [1]in the notch at «a».
Exert on the roller (1)an effort upwards to hold it at maximum.
Position the
(new)auxiliaries drive belt, in the following sequence:
- Auxiliaries drive pulley (4), aircon compressor pulley (3), tensioner roller (1)and alternator pulley (2).
IMPERATIVE: Make sure that the auxiliaries drive belt is correctly positioned in the grooves of
the various pulleys.
Release the tensioner roller (1).
Remove tool [1].
Checking the tension of the auxiliaries drive belt.
Check the tension of the auxiliaries drive belt:
- Mark «b»at the level of mark «c», new belt.
- Mark «b»at the level of mark «d», belt to be changed.
C4
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