remove Citroen XSARA 2004 1.G Repair Manual

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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

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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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191
CHECKING AND SETTING THE VALVE TIMING
Engines: 8HX 8HW 8HZ
B1EP18LCB1BP2LZC
Setting the timing (continued).
Refit:
The intermediate RH engine support, tighten the screws
(16)to 5,5 ± 0,5 m.daN.
The RH engine support, tighten the screws
(17)to 4,5 ± 0,4 m.daN.
The bottom timing cover
(3).
Immobilise the engine flywheel, using tool
[3].
Remove the screw
(2).
Refit the accessories drive pulley and tighten to:
Pretighten to
: 3 ± 0,3 m.daN.
Angular tighten to
:180° ± 1,8°.
Remove tool
[3].
Refit:
The top cover
(1).
The accessories belt
(see corresponding operation).
The exhaust line
(see corresponding operation).
The front RH splashshield. The front RH wheel.
C2 C3 C3 PLURIEL XSARA

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ENGINECHECKING AND SETTING THE VALVE TIMING
Engines: 8HY 8HV
B1BP2N0C
Tools.
[1]
Engine flywheel peg Ø 12 mm : ().0194C
[2]
Camshaft pulley peg Ø 8 mm : ().0194B
[3]
Crankshaft pulley peg Ø 5 mm : ().0194A
Preliminar
y operations.
Remove:
The front RH wheel.
The front RH splashshield.
The accessories belt
(see corresponding operation).
Uncouple:
The supply unions
(1).
The air/air heat exchanger inlet/outlet pipes
(3).
The exhaust line
(at the flexible pipe).
Disconnect the connector
(2).
Support the engine by means of a roller jack equipped with a chock.
Remove the engine supports
(4) and(5).
C3

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193
CHECKING AND SETTING THE VALVE TIMING
Engines: 8HY 8HV
B1BP2N1CB1BP2N2C
Checks.
Rotate the engine to engage it (normal direction of rotation).
Immobilise the engine flywheel at
«a», using tool [1].
Move aside the harness
(6).
Remove: The engine support
(7).
The screw
(8).
The pulley
(9).
The lower timing cover
(10).
The upper timing cover
(11).
The tool
[1].
C3

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195
CHECKING AND SETTING THE VALVE TIMING
Engines: 8HY 8HV
B1EP18ZC
Checks (continued).
NOTE:
The index «e»of the dynamic tensioner roller should be centred within the area «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).
Refitting.
Refit the tool [1]at «a».
Remove the screw
(8).
Refit:
The upper timing cover
(11).
The lower timing cover
(10).
The accessories drive pulley
(9).
The screw
(8).
Tightening torque.
Screw (8):
Pretighten to
:3 ±0,3 m.daN.
Angular tightening
:180° ± 5°.
Remove the tool
[1].
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

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199
CHECKING AND SETTING THE VALVE TIMING
Engines: 8HY 8HV
B1EP18XC
Setting the timing (continued).
Chec
ks (continued).
Reposition the timing belt, belt at «e»well tensioned, in the following order:
Guide roller
(17).
Camshaft pulley
(16).
Fuel high pressure pump pulley
(15).
Coolant pump pinion
(18).
Tensioner roller
(19).
Remove the
5 mmdiameter peg at «d».
Adjusting the fitting tension of the belt.
Action the tensioner roller (19)to align the marks «f»and «g», avoiding detensioning the timing belt,
with the aid of a male hexagonal spanner, at
«c».
If this is not successful, repeat the operation to tension the belt.Hold the tensioner roller in position
(19).
Tighten the tensioner roller, tightening to
3,7 ±0,3 m.daN.
Check the position of the tensioner roller
(the alignment of the marks «f»and «g»should be correct).
Remove tools
[2]and [3].
Turn the crankshaft
six rotations(clockwise).
C3

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ENGINE
CHECKING AND SETTING THE VALVE TIMING
Engines: 8HY 8HV
B1EP18XC
Adjusting the timing belt tension (continued).
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 «f»and «g»should be correct).
If this is not the case, repeat the operation to tension the belt.Peg the camshaft pulley, using tool
[2].
IMPERATIVE: Should it be impossible to peg the camshaft, check that the offset between the
camshaft hole and the pegging hole is not more than 1 mm. If the offset is too great, repeat theoperation.
Remove the pegs [2]and [3].
Refit tool
[1]at «a».
Remove the screw
(8).
Complete the refitting.
C3