remove Citroen XSARA 2004 1.G Owner's Guide

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ENGINECHECKING AND SETTING THE VALVE TIMING
Engine: NFU
B1BP2MBC
Engine:NFU.
Setting the timing (continued).
Remove:
The bottom plastic casing.
The engine support
(9).
The middle support.
The timing cover
(8).
Peg the flywheel, using tool
[1].
Position the tools
[3a]and [3b].
B1BP2MFCB1EP18MC
C2 C3 C3 PLURIEL

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153
CHECKING AND SETTING THE VALVE TIMING
Engine: NFU
B1EP18PC
Setting the timing (continued).
Engine:
NFU.
Slacken the tensioner roller.
Turn the tensioner roller so as to be able to position the tool
[4], with the aid of an Allen key placed at «a».
Turn the tensioner roller towards the right to bring it to the index
«c»in position «b».
Peg the tensioner roller in this position in order to slacken the timing belt to the maximum.
IMPERATIVE: Never make the dynamic tensioner roller turn by a complete rotation.
Remove the timing belt (8).
Check that the rollers
(9)and (10)turn freely (no tight spot).
B1EP18QC
C2 C3 C3 PLURIEL

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ENGINECHECKING AND SETTING THE VALVE TIMING
Engines: HFX KFV
B1EP18QC
Setting the timing (continued).
Engines:
HFXKFV.
Refit.
WARNING: Respect the direction of fitting of the belt
(the arrows «d» indicate the direction of rotation
of the crankshaft).
Refit the timing belt.
Position the timing belt, belt
«e»well tensioned, in the following order:
Crankshaft pinion, hold the belt using tool [5].
Camshaft pulley.
Coolant pump pulley. Tensioner roller.
Remove the pegs
[1]and [2].
C2 C3 C3 PLURIEL

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155
CHECKING AND SETTING THE VALVE TIMING
Engines: KFX KFV NFU
Setting the timing (continued).
Engines:
HFXKFV.Refitting.
NOTE:Check that the pegs [1]and [2]are in place.WARNING:Respect the direction of fitting of the timing belt, the arrows «d»indicate the direction of rotation
of the crankshaft.Refit the timing belt.
Position the timing belt, belt
«e»well tensioned, in the following order:
Crankshaft pinion, hold the belt using tool [5].
Camshaft pulley. Coolant pump pulley.
Tensioner roller.
Remove the tools
[1], [2].
Engine:NFU.Fit the timing belt in position in the following order:
Inlet camshaft pulley. Exhaust camshaft pulley.
Guide roller.
Crankshaft pulley.
Position tool
[5].
Coolant pump pulley.
Dynamic tensioner roller.
Remove the tools
[1], [3]and [5].B1EP18RC
C2 C3 C3 PLURIEL

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ENGINECHECKING AND SETTING THE VALVE TIMING
Engine: NFU
B1EP18SD
Timing belt overtensioned.
A:Engine:HFX – KFV.
B:Engine:NFU.
Turn the tensioner roller
(7)with the aid of a hexagonal spanner at «a».
Bring the index
«c»to position «f», to tension the belt to the maximum of the
interval indicated.Hold the tensioner roller
(7), using tool [4].
Tighten the fixing nut of the tensioner roller, tightening to
1 ± 0,1 m.daN.
Turn the crankshaft by
4 rotations(normal direction of rotation).
IMPERATIVE: Never make the crankshaft rotate backwards.
Make sure that the timing is correctly set by refitting the tools [1], [2]and [3].
Remove the tools
[1], [2]and [3].
C2 C3 C3 PLURIEL

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ENGINE
Tools.
[1]
Flywheel peg: 4507T.A
[2]Camshaft pulley peg: 4507T.B Tool kit 4507T
[3]Square: 4507T.J
[4]Belt tension measuring instrument:4122T
[5]Valve rocker thrust plate :4533T.Z
Checking the timing.
Peg the flywheel, using tool [1].
Peg the camshaft pulley, using tool [2].
Setting the timing.
NOTE:
Remove the sparking plugs, to ease rotation of the crankshaft.
Rotate the engine by means of the crankshaft screw (1).
Peg the camshaft pinion.
Peg the flywheel
Slacken the nut
(2).
Fullt detension the belt by acting on the tensioner roller.
Remove the belt.
IMPERATIVE: Check that the tensioner roller turns freely (no tight spot).
CHECKING AND SETTING THE VALVE TIMING
Engines: KFW NFV

B1EP067CB1EP066CB1EP068C
XSARA XSARA PICASSO

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CHECKING AND SETTING THE VALVE TIMING
Engines: KFW NFV
Refitting the timing belt.
NOTE:
Check that the pegs [1]and [2]are in place.
WARNING: Respect the direction of fitting of the belt: The arrows "a" indicate the direction of rotation of
the crankshaft.
Position:
The timing belt, belt "b"welltensioned, in the following order:
Crankshaft pinion, camshaft pulley, coolant pump pulley, tensioner roller.
Tool
[5](respect the direction of fitting relative to the valve timing).
Put the tensioner roller in contact with the belt.
Tighten the nut
(2).
Pretensioning the belt.
Place tool [4]on the tensioned part "b"of the belt.
Slacken the screw (2).
Turn the roller (3)in the anticlockwise direction using the drive square, to obtain a value of:44 SEEM units. Tighten the nut (2)to 2 m.daN. Remove tools [1], [2]and [4].
Rotate the crankshaft 4 turnsin the normal direction of rotation.
IMPERATIVE:Never turn the crankshaft backwards.
B1EP06ACB1EP069C
XSARA XSARA PICASSO
ENGINE

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ENGINECHECKING AND SETTING THE VALVE TIMING
Engines: KFW NFV
Pretensioning the timing belt (continued).
Make sure of the timing setting by refitting the pegs [1]and [2].
Remove the valve cover.
Position the tool
[5](respect the direction of fitting relative to the valve timing).
Adjusting the belt tension.
Place tool [4]on the tensioned part of the belt.
Slacken the nut (2).
Detension the belt, but too much.
Tension the timing belt to obtain a value of:
31 ± 2 SEEM units.
Tighten the nut (2)to 2 m.daN.
Remove tools [1], [2], [4] and [5].
Checking the belt tension.
Rotate the crankshaft 2 turnsin the normal direction of rotation.
Check that it is still possible to peg the following components. Flywheel.
Camshaft.
IMPERATIVE: Repeat the belt tensioning operation if the pegging is not possible.
XSARA XSARA PICASSO

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ENGINECHECKING AND SETTING THE VALVE TIMING
Engine: NFU
Setting the valve timing.
Loosen the screw (2), remove the belt.
Loosen the six pulley screws (1)on the hubs(there should be a slight amount of friction between the screws and the pinions).
Check that the rollers (2)and (3)rotate freely.
NOTE:The belt bears three identification marks * (a), (b)and (c), facing its own teeth (1), (52) and (72)respectively.
*
(Identification marks = white paint lines on the back of the belt facing the corresponding teeth).
Refit the belt.
Line up mark (A)on the belt with groove (D)of the pinion (4).
Hold the belt against the pinion (4).
B1EP11ECB1EP11DC
XSARA

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ENGINECHECKING AND SETTING THE VALVE TIMING
Engine: NFU
Setting the valve timing.
Remove the tools [1], [2], [3] and [4].
Rotate the engine by 4 turnsin the normal direction (do not turn backwards). Peg the flywheel [2].
Loosen the six screws (5), while ensuring there is still a slight amount of friction with the pulley.
Peg the camshaft hubs using pegs [3]and [4].
WARNING: In certain cases, it may be necessary to slightly turn the camshaft using the hub fixing screw.
Fit the tool [1].
Loosen the tensioner roller screw (2).
Rotate the roller (2)(using tool [5])in an anticlockwise direction to obtain:37 SEEM units.
Tighten the tensioner roller screw (2)to 2 m.daN.
Tighten the six pulley screws (1)to 1m.daN.
Remove the tools.
XSARA