crankshaft timing Citroen C3 2004 1.G User Guide

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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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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

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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