1997-2006 Citroen Xsara SUV Engine -> Cylinder Head User Manual
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Engine -> Cylinder Head for Your Citroen Xsara SUV Second Generation (1997-2006)

CYLINDER HEAD  
TU - TUD- All Types  
Engines : HDZ - HFX - KFW - KFX - NFT - NFV - NFX - NFU - VJX  
Identification of the cylinder head gasket  
HDZ - HFX  
KFW - KFX  
NFT - NFV  
NFX - NFU  
VJX  
Engine type  
Identification marks  
(Notch on cylinder head gasket)  
*
1
2
3
4
1
0
0
0
1
0
0
1
1
1
1
1
1
1
1
0
Thickness  
A
B
D
A
B
D
A
B
D
A
B
D
C
0
0
0
1
1
0
CURTY  
MEILLOR  
ELRING  
REINZ  
1
1
0
Suppliers  
1
0
1
1
0
0
0 = Without notch  
*
0 (With asbestos ) - 1 (Without asbestos)  
0 (Standard gasket) - 1 (Repair gasket)  
Material  
Repairs  
1 = One notch  
B1BP10KC  
R
51  
 
CYLINDER HEAD (continued)  
TU - TUD - All Types  
Engines : HDZ – HFX – KFX - KFW - NFT – NFV - NFX – NFU – VJX  
Cylinder head tightening  
(m.daN)  
Cylinder head bolts  
HDZ-HFX-KFX-KFW  
NFV-NFT  
- Pre-tightening  
2
- Angular tightening 240° ± 5°  
VJZ  
Note : Oil the threads and under the heads  
of the cylinder head bolts.  
(Use engine oil or Molykote G Rapid Plus).  
- Pre-tightening  
4
- Angular tightening 300° ± 5°  
B1BP10LC  
NFU - NFX  
- Pre-tightening  
2
B1DP059C  
- Angular tightening 260° ± 5°  
X = MAXIMUM reusable length  
HDZ-HFX-KFX-KFW  
VJX  
NFU-NFX  
NFV-NFT  
X= 175.5 ± 0.5 mm  
X = 197.1 mm  
X = 122.6 mm  
B1DP13NC  
52  
 
CYLINDER HEAD  
XU - All Types  
Engine : 6FZ  
Identification of the cylinder head gasket  
Nominal  
dimension  
Repair dimension  
2 – 4 – 5  
Marking zone  
"d"  
4 – 5  
Marking zone  
"e"  
R1  
1
R2  
1.1  
R3  
1.3  
Gasket thickness  
(mm)  
0.8  
SupplierMEILLOR  
Marking  
" d " Marking zone  
" e " Marking zone  
NOTE : 3 layer metallic gasket.  
B1DP183D  
53  
 
EW 10 - All Types  
CYLINDER HEAD (continued)  
Engine : 6FZ  
Cylinder head tightening  
(m.daN)  
Cylinder head bolts  
6FZ  
Pre-tightening  
Tightening  
Loosening  
Tightening  
1.5 ± 0.2  
5 ± 0.2  
360 ° (1 turn)  
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.  
NOTE : Oil the threads and  
under the heads of the cylinder  
head bolts.  
(Use engine oil or Molykote G  
Rapid Plus).  
X = MAXIMUM reusable length  
6FZ  
X= 147 mm  
B1DP05BC  
54  
 
EW 10 - All Types  
CYLINDER HEAD (continued)  
Engine : RFN  
Identification of the cylinder head gasket  
Nominal  
Repair dimension  
2 – 4 – 5  
dimension  
Marking zone  
"d"  
4 – 5  
Marking zone  
"e"  
R1  
1.1  
R2  
1.4  
Gasket thickness  
(mm)  
0.8  
SupplierMEILLOR  
Multilayer metallic gasket  
B1DP183D  
55  
 
EW 10 - All Types  
CYLINDER HEAD (continued)  
Engine : RFN  
Cylinder head tightening  
(m.daN)  
Cylinder head bolts  
RFN  
Pre-tightening  
Tightening  
Loosening  
Tightening  
1.5 ± 0.1  
5 ± 0.1  
360°± 2°  
2 ± 0.75  
285° ± 5°  
Angular tightening  
B1DP16FC  
A = Washer thickness : 4 ± 0.2 mm.  
X = Length under heads of new bolts = 144.5 ± 0.5 mm.  
NOTE : Oil the threads and  
under the heads of the cylinder  
head bolts.  
(Use engine oil or Molykote G  
Rapid Plus).  
X = MAXIMUM reusable length  
RFN  
X= 147 mm  
B1DP05BC  
56  
 
CYLINDER HEAD  
XU - All Types  
Engines : LFX - RFS  
Identification of the cylinder head gasket  
LFX  
Engine type  
RFS  
(Notch on cylinder head gasket) *  
Identification marks  
1
0
0
0
0
0
1
0
0
0
A
B
C
D
E
A
B
C
D
E
CURTY  
Suppliers  
1
0
1
0
0
MEILLOR  
0 = Without notch  
1 = One notch  
*
B1BP004C  
57  
 
XU - All Types  
CYLINDER HEAD (continued)  
Engines : LFX - RFS  
Cylinder head tightening  
(m.daN)  
Cylinder head bolts  
LFX  
- Pre-tightening  
- Loosening  
6
YES  
2
- Tightening  
- Angular tightening  
300°  
Note : Oil the threads and  
under the heads of the cylinder  
head bolts.  
(Use engine oil or Molykote G  
Rapid Plus).  
B1DP13PC  
RFS  
X = MAXIMUM reusable length  
- Pre-tightening  
- Loosening  
3.5  
NO  
7
RFS  
LFX  
- Tightening  
- Angular tightening  
160°  
171.5 mm  
112 mm  
B1DP05BC  
58  
 
DW8 - All Types  
CYLINDER HEAD  
Engine : WJZ - WJY  
Identification of the cylinder head gasket  
WJZ - WJY  
Thickness  
(mm)  
± 0.04  
Piston  
stand-proud  
(mm) (*)  
Number  
of holes of holes  
at A  
Number  
Engine  
type  
at B  
0.51 to 0.55  
0.55 to 0.59  
0.59 to 0.63  
0.63 to 0.67  
0.67 to 0.71  
1.26  
1.30  
1.34  
1.38  
1.42  
1
2
WJZ  
WJY  
2
3
4
5
(A) = Engine identification.  
(B) = Thickness identification.  
( ) = Take the highest piston as a reference point.  
*
B1DP14QD  
59  
 
DW10 - All Types  
CYLINDER HEAD  
Engines : RHY - RHZ  
Identification of the cylinder head gasket  
Piston  
Plaque  
Number  
of notches  
at A  
Thickness  
(mm)  
stand-proud  
Engine  
(mm)  
0.47 to 0.605  
0.605 to 0.655  
1.30 ± 0.06  
1.35 ± 0.06  
1.40 ± 0.06  
1.45 ± 0.06  
1.50 ± 0.06  
1
2
3
4
5
RHY  
RHZ  
0.655 to 0.705  
0.705 to 0.755  
0.755 to 0.83  
B1DP15AD  
60  
 
CYLINDER HEAD (continued)  
XUD - DW8 - DW10 - All Types  
Engines : WJZ – DHY - RHY  
Cylinder head tightening (m.daN)  
WJZ - WJY  
Cylinder head bolts  
RHY - RHZ  
WJZ - WJY  
- Pre-tightening  
2
6
- Tightening  
- Angular tightening  
180°  
RHY - RHZ  
- Pre-tightening  
- Tightening  
2
6
- Angular tightening  
220°  
Note : Oil the threads and under the  
heads of the cylinder head bolts.  
X = MAXIMUM reusable length  
(Use engine oil or Molykote G Rapid Plus).  
WJZ - WJY  
125.5 mm  
RHY - RHZ  
133.3 mm  
B1DP05BC B1DP13PC B1DP14NC B1DP15EC  
61  
 

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