2005 Citroen C4 air

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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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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)
Accessories
53 Accessories support 2 ± 0,5
54 Guide roller 4,5 ± 0,5Engine: 9HX
D1AP02PC
Version without air conditioning
D1AP02QD
Accessories
55 Aircon compressor support 2 ± 0,5
56 Aircon compressor screw 2,4 ± 0,5
Version with air conditioning
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 cover screws
3Pre-tightening0,5 ± 0,1
Tightening1 ± 0,1
Engines: 9HY - 9HZ
B1DP1D7D
(3) Sequence for tightening the camshaft bearing cover screws
B1BP39XP
C4
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123
SPECIAL FEATURES - TIGHTENING TORQUES (m.daN)
Accessories
53 Accessories support 2 ± 0,5
54 Guide roller 4,5 ± 0,5Engines: 9HY - 9HZ
D1AP02PC
Version without air conditioning
D1AP02QD
Accessories
55 Aircon compressor support 2 ± 0,5
56 Aircon compressor screw 2,4 ± 0,5
Version with air conditioning
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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