Engine oil Citroen C2 2004 1.G Service Manual

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ENGINESPECIAL FEATURES TIGHTENING TORQUES (m.daN )
Engines9HZ 9HY
Lubrication circuit
Oil pump assembly
Pretightening0,5 ± 0,1
Tightening0,9 ± 0,1
Oil/coolant heat exchanger 1 ± 0,2
Turbocharger lubrication pipe3 ± 0,5
Diesel injection circuit
Injector fixing flange nut
Pretightening4 ± 0,1
Angular tightening65° ± 5°
Fuel high pressure common injection rail on engine block 2,2 ± 0,2Union on fuel high pressure common injection rail
Pretightening1,7 ±0,2
Tightening2,2 ±0,2
Diesel injection pump on support2,2 ± 0,2
Union on diesel injector
Pretightening2 ± 0,5
Tightening2,5 ±0,3
XSARA PICASSO

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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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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°
XSARA XSARA PICASSO
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
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.
XSARA XSARA PICASSO

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ENGINE
CYLINDER HEAD
Engine: RFN
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.
XSARA XSARA PICASSO

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ENGINE
CYLINDER HEAD
Engine: RFS
X =MAX. reusable length NOTE:
Oil the threads and
under the heads of the bolts
(use engine oil or Molykote G
Rapid Plus). Pretightening
: 3,5
Slackening:NO
Tightening:7
Angular tightening: 160°
B1DP13PC
B1DP05BC
RFS
RFS
112 mm Cylinder head tightening (m.daN) One Cylinder head bolts
XSARA

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ENGINECYLINDER HEAD
Engines: 8HX 8HW 8HZ 8HV 8HY
Cylinder head tightening (m.daN) One Cylinder head bolts
X =MAX.reusable length
Pretightening: 2 ± 0,2 m.daN
Tightening: 4 ± 0,4 m.daN
Angular tightening: 230° ± 5°
The bolts should have been tho
roughly cleaned and dried with a
dry metal brush.
Oil the threads and under the
heads of the bolts
(use engine oil
or Molykote G Rapid Plus).
Pass a tap into the holes in the
cylinder block.
8HX 8HW 8HZ 8HV 8HY
8HX 8HW 8HZ 8HV 8HY
X = 149 mm
B1DP1CLC
B1DP1DBC
NOTE:Retightening of the cylinder head
after a completed repair is prohibited.
The cylinder head gasket is dryfitted.
C2 C3 C3 PLURIEL

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ENGINECYLINDER HEAD
Engines: 9HZ 9HY
X =MAX. reusable length
Pretightening: 2 ± 0,2 m.daN
Tightening: 4 ± 0,4 m.daN
Angular tightening: 260° ± 5°
(use engine oil or
Molykote G Rapid Plus)
.
Pass a tap into the holes in the
cylinder block.
B1DP1DBC
B1DP1CLC
9HZ 9HY
9HZ 9HY
X = 147 mm Cylinder head tightening (m.daN) One Cylinder head bolts
XSARA PICASSO
NOTE:Retightening of the cylinder head
after a completed repair is prohibited.
The cylinder head gasket is dryfitted.

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ENGINE
113
XSARA XSARA PICASSO
CYLINDER HEAD (Contin ued)
Engines: WJY RHY RHZ
X =MAX. reusable length NOTE:
Oil the threads and under the heads
of the bolts (use engine oil or Molykote G
Rapid Plus).Pretightening
:2
Tightening:6
Angular tightening: 220°
Pretightening:2
Tightening:6
Angular tightening: 180°
B1DP15ECB1DP13PC
RHY RHZ
WJY
WJY RHY RHZ
125,5 mm
133,3 mm Cylinder head tightening (m.daN)
One Cylinder head bolts
WJY RHY RHZ
B1DP05BC

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ENGINECHECKING AND SETTING THE VALVE TIMING
Engines: HFX KFV NFU
B1BP2M7CB1BP2M9CB1BP2M8C
Tools.
[1]
Engine flywheel peg: 4507T.A
[2]Camshaft pulley peg : 4507T.B
[3a]Camshaft peg: 4533TA.C1
[3b] Camshaft peg: 4533TA.C2
[4]Dynamic tensioner roller pin: 4200T.H
[5]Belt retaining pin: 4533T.AD
[6]Pliers for removing plastic pins: 7504T
Checking the valve timing.
Engines:
HFX – KFV – NFU.
Raise and support the front RH side of the vehicle.
Disconnect the battery positive terminal.
Engage 5th gear.
Remove the oil filter
(1).
Engines:HFX – KFV.
Remove: The timing top casing (2).
Turn the wheel to rotate the engine (normal direction of rotation).
Peg the camshaft pulley, using tool [2].
C2 C3 C3 PLURIEL