clock time set Citroen XSARA 2004 1.G Workshop Manual

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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: 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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ENGINE
CHECKING AND SETTING THE VALVE TIMING
Engines: 9HZ 9HY
Refit the screw (10).
Rotate the crankshaft six times (clockwise).
IMPERATIVE: Never turn it backwards.
Peg the camshaft at «c», using tool [2](oil the peg).WARNING:The magnetic track should not show any sign of damage and should not be
approached by any other magnetic source.
Peg the crankshaft at
«d», using tool [3].
ESSENTIAL: Should it not be possible to peg the camshaft, check that the offset bet
ween the camshaft pinion hole and the pegging hole is not more than 1 mm.If it is
more,repeat the operation to position the timing belt
(see corresponding operation).
Note:
The index «e»of the dynamic tensioner roller should be centred in the interval «d»Check the correct positioning of the index «e».
If it is not correct, repeat the operation to tension the timing belt (see corresponding operation).
Remove tools [2]and [3].
B1EP1E4DB1EP1E5C
XSARA PICASSO

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ENGINE
CHECKING AND SETTING THE VALVE TIMING
Engines: 9HZ 9HY
B1EP1E8C
Adjusting the timing belt tension.
Act on the tensioner roller (18)to align the marks «g»and «h», avoiding detensioning the
timing belt, using an allen spanner at «d».
Should this fail, repeat the operation to tension the timing belt.Hold the tensioner roller
(18).
Tighten the tensioner roller fixing nut to 3,7 ± 0,3 m.daN.
Check the position of the tensioner roller (the alignment of the marks «g»and «h»should
be correct).
Remove tools [2]and [3].
Rotate the crankshaft six times(clockwise).
IMPERATIVE:Never rotate the engine backwards.
WARNING:
Do not touch or damage the track of the target of the engine speed sensor (14).
Peg the crankshaft, using tool
[3].
Check the position of the tensioner roller (the alignment of the marks «g»and «h»should
be correct).
If this is not the case, repeat the operation to tension the timing belt.
Peg the camshaft pulley, using tool
[2].
IMPERATIVE: Should it be impossible to peg the camshaft, check that the offset bet
ween the camshaft hole and the pegging hole is not more than 1 mm. If the offset is
too great, repeat the operation.
Remove tools [2]and [3].
XSARA PICASSO

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ENGINECHECKING AND SETTING THE VALVE TIMING
Engine: WJY
B1EP1EDC
Setting the timing (continued).
NOTE:
If necessary, you can slightly rotate the pinions (10)and (7)anticlockwise in order to engage the belt.
The angular displacement value of the belt in relation to the pinions should not be more than half a tooth.
Remove tool
[5].
Act on the tensioner roller
(8)by its square «a», using tool [6]to check that the camshaft and injection
pump pinions can turn freely.
Position the belt tension instrument
[7]on the belt at «b».
Using tool
[6], act at «a»in the direction opposite to that of engine rotation, to obtain a tension value of
106 ± 2 SEEM units.
Tighten screws
(9), (5)and (6).
Remove tools
[7], [2], [3]and[4].
Rotate the crankshaft
8 timesin the normal direction of rotation.
Peg the flywheel, using tool
[2].
Peg the camshaft hub, using tool
[4].
Peg the injection pump hub, using tool
[3].
Slacken screws
(9), (5)and (6).
Position the belt tension instrument
[7]on the belt at «b».
Using tool
[6], act at «a»in the direction opposite to that of engine rotation, to obtain a tension value of
42 ± 2 SEEM units.
B1EP1EFC
XSARA

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ENGINECHECKING AND SETTING THE VALVE TIMING
Engines: RHY RHZ N° RPO 9128 #
Reposition the timimg belt, belt at «a»well tensioned, in the following order:
Fuel high pressure pump pulley
(21).
Guide roller
(15).
Crankshaft pinion
(19).
Coolant pump pinion
(16).
Tensioner roller
(18).
Position tool
[1]on the belt at «a».
Remove tools
[4]and [9].
Turn the tensioner roller
(18)anticlockwise, using tool [2], to attain an overtension of:
98 ± 2 SEEM units.
Tighten screw
(17)of the tensioner roller to 2,5 ± 0,2 m.da N.
Lock the flywheel by means of tool
[6].
Tighten the accessories drive pulley screw
(8)to 7 ± 0,7 m.da N.
Remove tools
[1], [3], [5] and [6].
Rotate the crankshaft eight times in the normal direction of rotation.
Peg:
The crankshaft, using tool
[3].
The camshaft drive pulley, using tool
[5].
B1EP1ABDB1EP1ACC
XSARA XSARA PICASSO