Cylinder Citroen C2 2004 1.G User Guide

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ENGINE
SPECIAL FEATURES TIGHTENING TORQUES (m.daN )
CYLINDER HEAD (mm)
Engine types KFW NFV NFU
Maximum permissible bow0,05
Gasket surface regrinding 0,20
TIGHTENING TORQUES (m.daN)
Crankshaft bearing Pretightening 2 ± 0,2 2 ± 0,2
screws Angular tighten 45° 50° ± 5°
Connecting rod screwsTightening3,8 ±0,4
Flywheel screw Tightening 6,5 ± 0,7
Crankshaft pinion screw Pretightening
Angular tighten10 ±1
Camshaft pulley screw Pretightening
Angular tighten 8 ± 0,8
Camshaft hubs 8 ± 0,8
Camshaft hub screwTightening1 ± 0,1
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ENGINESPECIAL FEATURES TIGHTENING TORQUES (m.daN )
CYLINDER HEAD (mm)
Engine types 6FZ RFN RFS WJY RHY RHZ
Maximum permissible bow 0,05 0,03
Gasket surface regrinding 0,30 0,20 0,40
TIGHTENING TORQUES ( m.daN)
Pretightening (1) Ø 11 : 1 ± 0,1 2 ± 0,1 2,5 ± 0,3
(2) Ø 6 : 1 ± 0,1
Slackening Ø 11 (only)
Tightening Ø 11 to 1 ± 0,1 8,5 ± 0,8 7 ± 0,7
Crankshaft then to 2 ± 0,1
bearing screws Tightening Angular Ø 11 at 70° ± 5° 60° ± 6° 60° ± 6°
Tightening Ø 6 to 1 ± 0,1
Pretightening 1 ± 0,1 4 ± 0,4 2 ± 0,2
ConnectingSlackening 180° (1/2 turn)
rod screws Tightening 2,3 ± 0,2 2,3 ± 0,2 2± 0,2
Angular tightening46°±5°46° ±4,6° 70° ± 7° 70° ± 7°
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ENGINESPECIAL FEATURES TIGHTENING TORQUES (m.daN )
Engines9HZ 9HY
Crankshaft
Bearing cap fixing screw
Pretightening1 ± 0,2
Slackening180°
Tightening3 ± 0,3
Angular tightening140°
Con rod screws
Tightening1 ±0,1
Angular tightening100 ±5°
Accessories drive pulley
Pretightening3,5 ± 0,4
Angular tightening190 ± 5°
Cylinder block
Sump 1,3 ± 0,1
Timing belt guide roller3,7 ± 0,3
Timing belt tensioner roller2,7 ± 0,2
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ENGINE
SPECIAL FEATURES TIGHTENING TORQUES (m.daN )
Engines9HZ 9HY
Cylinder head
Camshaft bearing covers
Pretightening0,5 ± 0,1
Tightening1 ± 0,1
Exhaust manifold 3 ± 0,3
Camshaft pulley
Pretightening2 ± 0,2
Angular tightening50 ±5°
Cylinder head
Pretightening2 ± 0,2
Tightening4 ± 0,5
Angular tightening260 ± 5°
EGR valve1 ±0,1
Flywheel Clutch
Flywheel
Pretightening3 ± 0,3
Angular tightening90 ±5°
Clutch mechanism2 ± 0,2
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ENGINECYLINDER HEAD
Engines: HFX KFV NFU
Identification of cylinder head gasket
Engine types
HFX
KFV
NFUThicknesses (Standard)
1,2 ± 0,1
0,66 ± 0,04Thicknesses (repair)
1,4 ± 0,1Thickness references
2
1
4
Identification marks
1,2,3,4
= Type of engine
A,B,D=Suppliers.
C= Gasket material.
R= Repair.
B1BP10KC
C2 C3 C3 PLURIEL
KFU1,2 ± 0,1
1,5 ± 0,1

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ENGINE
CYLINDER HEAD
Engines: HFX KFV NFU
Cylinder head tightening (m.daN) Cylinder head bolts
X =MAX. reusable length
Tightening : 2 ± 0,2
Angular tightening: 240° ± 5°
Tightening :2,5 ±0,2Angular tightening:200 ±5°
(In the order 1 to 10)
B1BP1DVC
KFU HFX KFV
HFX KFV
175,5 ± 0,5 122 ± 0,3NFU
B1BP10KC
NOTE:Retightening of the cylinder head
after a completed repair is prohibited.
C2 C3 C3 PLURIEL
NOTE:Oil the threads and under the heads of
the bolts (use engine oil or Molykote G Rapid
Plus).
Tightening
: 2 ± 0,2Angular tightening:260° ± 5°
(In the order 1 to 10)
NFU
KFV
119

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ENGINECYLINDER HEAD
Engines: KFW NFV NFU
Identification of cylinder head gasket
B1BP10KC
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Engine type KFW NFV NFU
Identification marks
(Notch on cylinder head gasket) *
11 1 1
20 0 1
Thickness 3 0 0 1
40 1 1
A0
CURTY B 0
D0
A1
Suppliers MEILLOR B 1
D0
A
ELRING B
D
A1
REINZ B 0
D0
Material C 0 (With asbestos) – 1 (Without asbestos)
Repair R 0 (Standard gasket) – 1 (Repair gasket)
0 = Without notch
1 = One notch

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ENGINE
CYLINDER HEAD (Continued)
Engines: KFW NFV NFU
Cylinder head tightening (m.daN) One Cylinder head bolts
X =MAX. reusable length
Pretightening :2
Angular tightening: 240 ± 5°
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NOTE:Oil the threads and under the heads of the bolts (use
engine oil or Molykote G Rapid Plus).
B1DP13NC

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Engine: 6FZ
Identification of cylinder head gasket
B1DP183D
Nominal
dimensionRepair dimension
2 – 4 – 5
4 – 5
R1 R2 R3
1 1,1
0,8 Gasket thickness
(mm)
Supplier MEILLOR Marking zone
"e" Identification zone
"d"
1,3
100
Identification marks
“d”
= Identification zone.
“e”= Marking zone.
NOTE:3 layer metallic gasket
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ENGINE
CYLINDER HEAD
Engine: 6FZ
X =MAX. reusable length NOTE:
Oil the threads and
under the heads of the bolts
(use engine oil or Molykote G
Rapid Plus)
. Pretightening
: 1,5 ± 0,2
Tightening: 5 ± 0,2
Destightening: 360 ° (1 turn)
Tightening: 2 ± 0,2
Angular tightening: 285° ± 5°
B1DP16FC
A = Washer thickness:4 ± 0,2 mm.X= Length under heads of new bolts = 144,5 ±0,5 mm.
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