2004 Citroen C2 Pump

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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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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.
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189
CHECKING AND SETTING THE VALVE TIMING
Engines: 8HX 8HW 8HZ
B1EP18JD
Setting the timing (continued).
NOTE:
Screw (9)slackened.
Position the timing belt
(10)observing the following sequence:
Crankshaft pinion
(4).
Guide roller
(12).
Camshaft pulley
(11)(check that the belt is held correctly against the roller).
Coolant pump pinion
(13).
Fuel high pressure pump pulley
(15).
Tensioner roller
(14).
C2 C3 C3 PLURIEL XSARA

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ENGINECHECKING AND SETTING THE VALVE TIMING
Engines: 8HX 8HW 8HZ
B1EP18KC
Setting the timing (continued).
Turn the tensioner roller to the right to bring the index «c»to position «d», using a
hexagonal spanner.
Tighten the screw
(9)of the tensioner roller, tighten to 3 ± 0,3 m.daN.
Remove the tools [4]and [5].
Rotate the engine
ten times(check that the timing pinion is correctly up against the
crankshaft).
Check:
The pegging of the camshaft.
The crankshaft pinion.
The fuel high pressure pump pinion
(15).
The correct positioning of the index of the dynamic tensioner.
If these are not correct, repeat the operation to position the timing belt.Refit:
The engine speed sensor
(6).
The belt retaining stop (5), tighten to 0,7 m.daN.
C2 C3 C3 PLURIEL XSARA

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ENGINECHECKING AND SETTING THE VALVE TIMING
Engines: 8HY 8HV
B1EP18YD
Checks (continued).
Refit the screw (8).
Rotate the crankshaft six times
(clockwise).
IMPERATIVE: Never rotate the engine backwards.
Peg:
The camshaft, using tool
[2](oil the pegs).
The fuel high pressure pump pulley (14), using tool [3]at «c».
WARNING:The magnetic track should show no signs of damage and should not be
approached by any source of magnetism.
Peg the crankshaft at
«b», using tool [3].
IMPERATIVE:Should it be impossible to peg the camshaft, check that the
offset between the hole in the camshaft pinion and the pegging hole is not
greater than 1 mm.Otherwise repeat the operation to position the timing belt
(see corresponding
operation)
.
C3

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197
CHECKING AND SETTING THE VALVE TIMING
Engines: 8HY 8HV
B1EP18VD
Setting the timing.
Perform the preliminary operations for checking the timing up to removing tool [1]at «a»for immobiling the
engine flywheel.
Refit screw
(8).
Rotate the crankshaft to bring the camshaft towards its pegging point.
Peg the camshaft, using tool
[2](oil the pegs).
WARNING: Do not press or damage the track which is the target for the engine speed sensor (14).
Peg the crankshaft at «b», using tool [3].
Remove:
The timing protector
(13).
The engine speed sensor
(14).
Slacken the screw
(12)of the tensioner roller, keeping it slack with the aid of a hexagonal spanner at
«c».
Detension the belt by pivoting the tensioner roller
(clockwise).
Remove the timing belt, commencing with the coolant pump pinion.
Peg the pulley
(15), using a 5 mmdiameter peg at «d».
C3