head gasket Citroen C5 2000 (DC/DE) / 1.G Owner's Manual

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CYLINDER HEAD
Engines : 6FZ-RFN-RLZ
Cylinder head gasket identification
Nominal dimension Repair dimension
6FZ RFN-RLZ
Marking zone
"d"4.5 1.4 2-4-5
Marking zone
"e"R1 R2
Gasket thickness 1.1 mm 1.4 mm
Supplier MEILLOR
Multilayer metallic cylinder head gasket.
(d) Marking zone
(e) Marking zone
B1DP183D

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CYLINDER HEAD
Engine : XFX
Cylinder head gasket identification
Supplier
ERLINGThickness
(Standard)
(mm)
0.75Thickness
reference
Central lug
Exhaust end
Multilayer metallic cylinder head seal.(1) LH cylinder head gasket.
(2) RH cylinder head gasket.
B1DP18YD

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CYLINDER HEAD
Engines : RHZ - RHY
Cylinder head gasket identification
Number
of notches at A Thickness
(mm) Engine
platePiston
stand-proud
(mm)
0.47 to 0.605 1.30 ± 0.06 1
0.605 to 0.655 1.35 ± 0.06 2
0.655 to 0.705 1.40 ± 0.06 3
0.705 to 0.755 1.45 ± 0.06 4
0.755 to 0.83 1.50 ± 0.06 5
RHZ
RHY
B1DP15AD
Cylinder head.
- New cylinder head height = 133 mm.
- Maximum permitted deformation = 0.03 mm.
Cylinder head gasket.
Multilayer cylinder head gasket.
Select seal thickness as a function of the piston stand-proud.
Hydraulic followers.
The hydraulic followers have automatic clearance adjustment.

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Engines : RHY - RHZ
Cylinder head gasket identification
X = MAXIMUM reusable length NOTE : Grease the bolts on the threads and under the heads,
(using engine oil or Molykote G plus). ESSENTIAL
:
Tighten screw by screw in the
order indicated.
Pre-tightening2 ± 0.2
Tightening6 ± 0.6
Angular tightening220° ± 5°
(Order from 1 to 10)
B1DP05BC
RHY - RHZ
X = 133.3 mm Cylinder head tightening (m.daN) Cylinder head bolts
CYLINDER HEAD
B1DP15ECB1DP13PC

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CYLINDER HEAD
Engine : 4HX
Cylinder head gasket identification
Number
of notches
At B At A Thickness
(mm) Engine
platePiston
stand-proud (mm)
0.55 to 0.60 1.25 ± 0.04 1
0.61 to 0.65 1.30 ± 0.04
12
0.66 to 0.70 1.35 ± 0.04 3
0.71 to 0.75 1.40 ± 0.04 4
4HX
Cylinder head.
- New cylinder head height = 133 mm.
- Maximum permitted deformation = 0,03 mm.
Cylinder head gasket.
Multilayer cylinder head gasket.
Select seal thickness as a function of the piston stand-proud.
Hydraulic followers.
The hydraulic followers have automatic clearance adjustment.
B1DP18XD

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58
Engine : 4HX
Cylinder head gasket identification
X = MAXIMUM reusable length NOTE : Grease the bolts on the threads and under the heads,
(using engine oil or Molykote G plus. ESSENTIAL : Tighten screw by screw
and in the order indicated.
Pre-tightening2 ± 0.2(Order 1 to 10)
Tightening6 ± 0.6(Order 1 to 10)
Untightening360°(Order 10 to 1)
Pre-tightening2 ± 0.2(Order 1 to 10)
Tightening6 ± 0.6(Order 1 to 10)
Angular tightening220°±5°(Order 1 to 10)
(In 2 attempts max.)
B1DP05BC
4HX
X = 134.5 mm Cylinder head tightening (m.daN)
4HXCylinder head bolts
CYLINDER HEAD (Continued)
B1DP15EC

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Adjusting the tension (continued).- Tighten the screw (7) of the the tensioner roller(6) to 2.1 ± 0.2 m.daN.
IMPERATIVE : The hexagonal drive of the tensioner roller (6) must be at 15° below the level of the cylinder
head gasket «g». If not, replace the tensioner roller (6) or the timing belt and the tensioner roller (6).
Refit (continued).
- Remove the tools [1]et [2].
- Turn the crankshaft 10 timesin the normal direction of rotation.
IMPERATIVE : No pressure or outside action must be brought to bear on the timing belt.
- Peg the inlet camshaft pulley, using the tool [1].
Checks.
Timing belt tension.
IMPERATIVE : Check the position of the index «c», it should be facing the notch «f». If the position of index «c»
is not correct, restart the adjustment of its position.
Positioning of the crankshaft.
- Fit tool [2].
- As long as it is possible to fit tool[2], continue with the refit operations.
IMPERATIVE : If it is not possible to fit tool [2], reposition the flange (14).
CHECKING AND SETTING THE VALVE TIMING
Engines : 6FZ - RFN - RLZ
B1EP14VCB1EP14MC