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ENGINE
SPECIAL FEATURES - TIGHTENING TORQUES (m.daN)
Crankshaft
Bearing cap fixing screws
Pre-tightening2,5 ± 0,2
Angular tightening60°±5°
Con rod nuts
Pre-tightening2 ± 0,2
Angular tightening70°±5°
Accessories drive pulley hub
Pre-tightening4 ± 0,2
Angular tightening51°±5°
Cylinder block
Piston skirt spray jet1 ± 0,1
Sump1,6 ± 0,1
Timing belt guide roller4,3 ± 0,4
Timing belt tensioner roller2,5 ± 0,2
Cylinder head
Camshaft bearing covers1 ± 0,1
Exhaust manifold2 ± 0,2
Valve cover0,8
Camshaft / hub4,3 ± 0,4
Camshaft pinion / camshaft hub2 ± 0,2 Engines: RHY - RHZ
XSARA
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ENGINE
SPECIAL FEATURES - TIGHTENING TORQUES (m.daN)
Cylinder block
9 Oil circuit plug 3 ± 0,3
10 Coolant pump screw 1,6 ± 0,3
Crankshaft bearing cap screws (*)
11Pre-tightening2,5 ± 0,2
Angular tightening60°±5°
Con rod cap nuts
Tightening1
12Slackening 180°
Tightening2,3 ± 0,1
Angular tightening45°±5°
Engine: RHR
B1CP0GNPB1CP0DGC
(*) (11) Crankshaft bearing cap screws
C4
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ENGINESPECIAL FEATURES - TIGHTENING TORQUES (m.daN)
Cylinder block
13 Front closing plate screw
Flywheel screws
14Pre-tightening1,5
Tightening4,7 ± 0,4
Accessories drive pulley screw
15Pre-tightening7 ± 0,25
Angular tightening60°±5°
Engine: RHR
B1CP0GNP
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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ENGINESPECIAL FEATURES - CYLINDER HEAD TIGHTENING
Engines all types
B1DP1CLC
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
KFW - NFV
Angular tightening240° ± 5°175,5
Pre-tightening2 ± 0,2
8HX - 8HZ
Tightening4 ± 0,4 149
8HY
Angular tightening230° ± 5°
Pre-tightening2 ± 0,2
9HY - 9HZ
Tightening4 ± 0,4 147
9HX
Angular tightening260° ± 5°
NOTE: Tightening of the cylinder head after a repair is prohibited.
B1BP10LC
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ENGINE
B1BP234C
XSARA PICASSOAUXILIARY EQUIPMENT DRIVE BELT
Engine: NFV
Without air conditioning
Tools.
[1]Pliers for removing plastic pegs: 7504 -T
[2]Belt tension measuring instrument: 4122 -T
[3] TORX spanner
Remove.
Release the central screw (1), tool[3].
Detension the tensioner roller (2)
(flat spanner 27on flat).
Remove the belt.
Refit.
Position the belt.
Hold the belt in position using the tensioner roller (2).
Pre-tension the belt 120 SEEMunits, tool [2].
Lock the central screw (1)tool [3].
Remove the tool [2].
Rotate the crankshaft 2to 4 times.
Check the tension, 120 SEEMunits.
If not, restart the operation.
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ENGINEAUXILIARY EQUIPMENT DRIVE BELT
Engines: 6FZ - RFN
Without air conditioningWith air conditioning
Tool.
[1] Pliers for removing plastic pegs: 7504-T
Remove the belt.
Detension the belt (3)by turning the screw (2)of the tensioner roller (1)
(anti-clockwise).
The screw (2)
(WARNING: not left hand screw).
Remove the belt (3), while keeping the tensioner roller (1)tight.
Refit the belt.
Refit the belt (3), while keeping the tensioner roller (1)tight.
Release the tensioner roller (1).
B1BP23PCB1BP23QCB1BP23PCB1BP23RC
XSARA - XSARA PICASSO
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