2004 Citroen C2 crankshaft

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163
CHECKING AND SETTING THE VALVE TIMING
Engine: NFU
Setting the valve timing.
Turn the two pulleys (1)clockwise to the end of the slots.
With the belt strip (e)fully tensioned, place the belt over the pulley, first exhaust side, then inlet side, while
ensuring that marks (b)and (c)on the belt are aligned with marks (f)on the pulleys.
Hold the belt in this position, and engage it over the water pump pinion and the tensioner roller.
Fit the tool
[1]on the belt at (e).
Rotate the roller (2) (using tool [5])in an anticlockwise direction, to obtain:63 SEEM units.
Tighten the roller (2)to 2 m.daN.
Tighten the six screws (5)to 1m.daN.
ESSENTIAL: Check that:
The camshaft pulleys (1) are not at the end of the slots (by removing a screw). The markings on the belt are aligned with the markings on the crankshaft and camshaft pulleys.
If not, repeat the setting procedure.
B1EP11GCB1EP11FC
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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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
B1BP2ZTC
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

Downloaded from www.Manualslib.com manuals search engine 170
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

Downloaded from www.Manualslib.com manuals search engine 172
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 #