setting Citroen C3 PLURIEL 2004 1.G Owner's Manual

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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

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165
CHECKING AND SETTING THE VALVE TIMING
Engine: KFU
Tools.
[1]
Flywheel peg :4507T
[2]Camshaft peg: 4533TA.C1
[3]Crankshaft setting peg: ().0194.A
Checks.
Raise and support the vehicle, front wheels hanging.
Disconnect the battery.Remove:
The oil filter. The engine cover.
The upper timing cover
(1).
The sparking plugs, to ease rotation of the engine.
Rotate the engine by means of the crankshaft screw
(never turn the engine backwards).
B1BP2ZJD
C3

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ENGINECHECKING AND SETTING THE VALVE TIMING
Engine: KFU
B1BP2MBC
Position the tools [3]and [2].
Peg the flywheel, using tool
[1].
NOTE:If the setting is not correct, recommence the operation.
Remove the pegs
[2]and [3].
Refit :
The oil filter.
The timing cover
(1).
The engine cover.
Reconnect the battery.
Lower the vehicle.
Perform the operations that are necessary following a reconnection of the battery.
B1BP2ZTC
C3

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167
CHECKING AND SETTING THE VALVE TIMING
Engine: KFU
Tools.
[1]
Flywheel setting peg: 4507T
[2]Engine support crossmember:
[3]Crankshaft setting peg: ().0194.A
[4]Camshaft peg: 4533TA.C1
[5]Belt retaining pin: 4533T.AD
Removing.
Raise and support the vehicle, front wheels hanging.
Disconnect the battery.Remove:
The front RH wheel.
The front RH splashshield. The engine cover.
The accessories drive belt
(see corresponding operation).
The crankshaft pulley. The oil filter.
Remove the upper timing cover
(1).
B1BP2ZJD
C3

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ENGINECHECKING AND SETTING THE VALVE TIMING
Engine: KFU
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Rotate the engine by means of the crankshaft pinion screw (2)(clockwise), to bring it to the pegging position.
Peg the flywheel, using tool
[1].
Position the tools
[3]and [4].
Position the tool
[2].
Support the engine.
Remove the screws
(3).
The upper RH engine support.
B1BP2MCCB1BP2MBCB1BP2ZUC
C3

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169
CHECKING AND SETTING THE VALVE TIMING
Engine: KFU
Remove:
The lower engine support assembly(5)and the fixing screw (4).
Remove the lower timing cover (6).
Slacken the nut (7).
Remove the timing belt.
IMPERATIVE: Check that the tensioner roller turns freely (no tight spot).
Refitting.
Fit the (new)timing belt, in the following sequence:
Inlet camshaft pulley.
Exhaust camshaft pulley. Guide roller.
Crankshaft pulley.
Position the tool
[5].
Coolant pump pulley.
Dynamic tensioner roller.Remove tools
[3],[4]and [5].
B1CP0F2DB1CP0F1D
C3

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ENGINECHECKING AND SETTING THE VALVE TIMING
Engine: KFU
B1EP1DUC
Overtensioning the belt.Position «a»Tensioner roller in slackened position.
Position «b»Tensioner roller in normal position.
Position «c» Tensioner roller in overtensioned position.
Turn the tensioner roller (8)using an allen spanner at «e».
Position the index «d»in position «c», tension the belt to the maximum indicated.
Tighten the fixing nut of the tensioner roller to 2,1 ± 0,2 m.daN.
Rotate the crankshaft by 4 turns(normal direction of rotation).IMPERATIVE: Never turn the crankshaft backwards.Make sure the timing setting is correct by refitting the pegs [1], [3]and [4].
Remove the pegs [1], [3]and [4].
Adjusting the tension of the belt.Slacken the nut, holding the position of the tensioner roller, by means of an allen spanner at
«e».
Then bring the index «d»to its adjustment position «b».WARNING:The index «d»should not go past the notch «b».If it should do so, repeat the operation to
tension the timing belt.Maintain the tensioner roller
(8)in this position, using the allen spanner.
Tighten the fixing nut of the tensioner roller to 2,1 ± 0,2 m.daN.IMPERATIVE:The tensioner roller should not turn during the tightening of its fixing.If it should do
so, repeat the operation to tension the timing belt.
Refitting.
Complete the refitting in the opposite order to removal.
B1EP1DTC
C3

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171
CHECKING AND SETTING THE VALVE TIMING
Engines: 6FZ RFN 2003 # NEW ASSEMBLY2003 #
(6)Crankshaft pinion
(7)Accessories drive pulley
(8)Washer
(9)Screw
The pinion
(6)is fitted as an idler on the crankshaft.
The accessories drive pulley
(7)is immobilised on the crankshaft by a halfmoon keyway and
by the tightening of washer
(8)and screw (9).
A:Pegging on manual gearbox.
B:Pegging on automatic gearbox.
The pegging of the crankshaft is done on the flywheel, or on the converter drive plate
(automatic gearbox).
The pegging hole on the cylinder block
(exhaust end)is calibrated and reinforced.
IMPERATIVE: Never turn the crankshaft with the accessories drive pulley slackened.
IMPERATIVE: Never remove the accessories drive pulley without pegging the crank
shaft and the camshafts.
IMPERATIVE: Always turn the crankshaft in the direction of engine rotation.
B1EP1B9D
B1BP2V2D
XSARA XSARA PICASSO

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ENGINECHECKING AND SETTING THE VALVE TIMING
NOTE: Checking and setting the timing # 2003: See Mechanic’s Handbook 2003: pages 163 to 173.
Tools.
[1]
Camshaft setting peg: () 0189.A
[2]Crankshaft setting peg: ().0189.R
[3]Timing belt retaining pin :().0189.K
[4]Adaptor for angular tightening: 4069T
[5]Tool for moving and locking the tensioner roller: ().0189.S
[5a] :().0189.S1
[5b] : ().0189 S2
Pliers for removing plastic pins: 7504T
Checking the setting of the timing.
Removing.
Disconnect the battery negative terminal (see corresponding operation).
Raise and support the vehicle, front wheels hanging.
Remove:
The front RH wheel.
The plastic pins
(1).
The splashshield (2).
The upper timing cover.
C4AP12TC
XSARA XSARA PICASSO
Engines: 6FZ RFN 2003 #

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173
CHECKING AND SETTING THE VALVE TIMING
Engines: 6FZ RFN 2003 #
Checking the setting of the timing (continued).
A:
Pegging on the manual gearbox.
B:Pegging on the automatic gearbox.
Turn the engine by means of the crankshaft pinion screw, to bring it to the pegging position.
Peg the crankshaft, using tool
[2].
Peg the camshaft pulleys, using tool
[3].
NOTE:The pegs [3]should go in without effort.
WARNING:If the pegs go in only with difficulty, repeat the operation for fitting and
tensioning the timing belt
(see corresponding operation).
Refitting.
Remove tools [2]and [3].
Complete the refitting in reverse order to removal.
B1BP2V3D
B1EP1BAC
XSARA XSARA PICASSO