2004 Citroen C3 PLURIEL pluriel rp

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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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157
CHECKING AND SETTING THE VALVE TIMING
Engines: HFX KFV NFU
B1EP18TD
Adjusting the fitting tension of the timing belt.
A:Engine:HFX – KFV.
B:
Engine:NFU.
Slacken the nut while maintaining the position of the tensioner roller, with the aid of
a hexagonal spanner at
«a».
Next bring the index
«c»to its adjusting position «a».
The index
«c»should not go beyond the notch «g».
WARNING:The index«c» must not go beyond the notch«g».If it should do this,
restart the timing belt tensioning operation.
Hold the tensioner roller
(7)in this position, with the aid of a hexagonal spanner.
Tighten the tensioner roller fixing nut to :
2 ±0.2 m.daN.(HFX - KFV engines)
2.2 ± 0.2 m.daN.(NFU engine)
IMPERATIVE: The tensioner roller must not rotate during the tightening of its
fixing. If it does, restart the timing belt tensioning operation.
Complete the refitting.
C2 C3 C3 PLURIEL

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ENGINECHECKING AND SETTING THE VALVE TIMING
Engines: 8HX 8HW 8HZ
B1BP2LXC
Tools.
[1]
Pliers for removing plastic pegs : 7504T
[2]Lever for detensioning the dynamic tensioner roller: ().0194.E
[3]Engine flywheel setting peg: ().0194.C
[4]Camshaft setting peg: ().0194.B
[5]Crankshaft and high pressure pump setting peg: ().0194.A
Preliminar
y operations.Remove:
The front RH wheel.
The front RH splashshield, using tool
[1].
The clips of the electrical harness on the upper timing cover. The accessories belt, using tool
[2](see corresponding operation).
Check ing the setting.
Disconnect the battery negative cable.
Remove the upper timing cover (1).
Rotate the engine using the screw (2)of the crankshaft pulley.
NOTE:The locking hole is located under the crankshaft bearing cap cover.
Undo the screw (2).
Detension the auxiliary drive belt dynamic tensioner roller, using tool [2].
C2 C3 C3 PLURIEL XSARA

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185
CHECKING AND SETTING THE VALVE TIMING
Engines: 8HX 8HW 8HZ
B1EP18EC
Checking the setting (continued).
Remove:
the accessories drive belt.
the accessories drive pulley.
the lower timing cover
(3).IMPERATIVE: The magnetic track should show no signs of damage
and should not be approached by any other source of magnetism.
Reposition the screw (2).
Remove tool [3].
Rotate the engine by means of the crankshaft pinion screw (2)(clock
wise), to bring it to the pegging position.
Position the tool [4].
Peg the crankshaft pinion (1), using tool [5].
Peg the high pressure pump pinion, using tool [5].NOTE:Index «a»of the roller tensioner must be centred within the
area «b».
Check the correct positioning of index «a».
Remove tools [4]and [5].
Rotate the engine ten times.Fit the tools
[4]and [5].
If pegging is not possible, carry out the operation to remove/refit the
timing belt
(see corresponding operation).
B1JP03SCB1EP18DCB1EP18FC
C2 C3 C3 PLURIEL XSARA

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ENGINECHECKING AND SETTING THE VALVE TIMING
Engines: 8HX 8HW 8HZ
B1EP18GC
Setting the timing.
Remove the upper timing cover (1).
Rotate the engine by means of the crankshaft screw (2).
NOTE:The pegging hole is located under the crankshaft bearing cap cover.
Peg the engine flywheel, using tool
[3].
Remove the lower timing cover (3).
Uncouple the exhaust line from the manifold.
IMPERATIVE: Uncouple the exhaust line in order to avoid damaging the front flexible pipe. Twisting,
pulling and bending the front flexible pipe reduces its life.
Remove:
The engine speed sensor (6).
The belt retaining stop (5).
The screw (2).
The crankshaft pinion (4)(with its magnetic track «a»).
IMPERATIVE: The magnetic track should show no signs of damage and should not be approached
by any other source of magnetism.Should this not be adhered to,it is essential to replace the crank
shaft pinion.
Refit the screw (2).
B1BP2LXC
C2 C3 C3 PLURIEL XSARA

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187
CHECKING AND SETTING THE VALVE TIMING
Engines: 8HX 8HW 8HZ
Setting the timing (contin
ued).
Remove the tool [3].
Rotate the engine by means of the crankshaft pinion screw
(2)(clock
wise), to bring it to the pegging position.
Peg the camshaft pulley, using tool
[4].
Peg:
The crankshaft pinion
(6), using tool [5].
The high pressure pump pinion, using tool [5].
Support the engine with the aid of a roller jack equipped with a chock.
Remove:
The RH engine support
(7).
The intermediate engine support (right hand side)(8).
B1JP03SCB1EP18DCB1EP195CB1BP2LYC
C2 C3 C3 PLURIEL XSARA

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ENGINECHECKING AND SETTING THE VALVE TIMING
Engines: 8HX 8HW 8HZ
B1EP18HC
Setting the timing (continued).
Hold the tensioner roller, using a hexagonal spanner at «b».
Slacken the screw (9).
Remove the timing belt (10).
Refitting.
IMPERATIVE: Check that both the tensioner roller and the fixed roller turn freely
(no tight spots). If this is not the case, replace the rollers.
Fitting of the pulle
ys.
Camshaft pulley: Tighten to 4,3 ± 0,4 m.daN.
Fuel high pressure pump pulley: Tighten to 5 ± 0,5 m.daN.
The crankshaft pinion is located without a screw at the end of the crankshaft.
Fitting of the rollers.
IMPERATIVE: Check that the tensioner roller turns freely (no tight spot).Otherwise, replace the rollers.
Guide roller:Tighten to 4,5 ± 0,4 m.daN.
Tensioner roller :Pretighten to 0,1 m.daN.
Check the condition of the seals at the camshaft and at the crankshaft pinion.
C2 C3 C3 PLURIEL XSARA