2000 Citroen C5 check engine

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82
CHECKING AND SETTING THE VALVE TIMING
Engines : RHY - RHZ
Setting the valve timing (continued).
- Retighten the screws (21)by hand.
- Turn the pinion(24)(clockwise) to the bottom of the buttonhole.
- Refit the belt on the crankshaft (25).
- Hold the belt, using tool [4].
Reposition the timing belt, keeping the belt tight at «a»,
in the following order :
- Guide roller (23).
- Fuel high pressure pump pinion (26).
- Camshaft pinion (24).
- Water pump pinion (18).
- Tensioner roller (20).
NOTE :If needed, slightly turn the pinion(24)anti-clockwise (not by
more than one tooth).
- Remove the tool [4].
B1EP154CB1EP155DB1EP153D

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Setting the valve timing (continued).
- Position tool[1]on the belt at «b».
- Turn the roller (20)(anti-clockwise) using tool[2]to attain a tension of :
98 ± 2 SEEM units.
- Tighten the screw of the roller (19), tighten to 2.5 m.daN.
- Remove one screw (21)from the pinion (24).
(to check that the screws are not against the end of the buttonhole).
- Tighten the screws (21) to 2.m daN.
- Remove tools [1], [2], [3]and [5].
- Rotate the crankshaft 8 times(normal direction of rotation).
- Fit the tool [3].
- Loosen screws (21).
- Fit tool [5].
- Loosen screw (19)(to free the roller).
- Fit tool [1].
- Turn the roller (20)(anti-clockwise),tool [2], to attain a tension of :
54 ± 2 SEEM units.
CHECKING AND SETTING THE VALVE TIMING
Engines : RHY - RHZ
B1EP156D

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84
Setting the valve timing (continued).
Tighten :
- The screw of the roller (19)to 2.5 ± 0.2 m.daN.
- The screws (21)to 2. ± 0.2 m.daN.
- Remove the tool [1].
- Refit the tool [1].
- Tension value should be :
54 ± 3 SEEM units.
IMPERATIVE : If value is incorrect, restart the operation
- Remove tools [1], [3] and [5].
- Rotate the crankshaft 2 times(normal direction of rotation).
- Fit the tool [3].
WARNING : Should it be impossible to peg the camshaft, check
that the offset between the camshaft pinion hole and the pegging
hole is not more than 1 mm.
In the case of an incorrect value, recommence the operation.
- Remove the tool [3].
- Complete the refitting of components.
CHECKING AND SETTING THE VALVE TIMING
Engines : RHY - RHZ
B1EP156D

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85
TOOLS
[1] Belt tension measuring instrument: 4122-T
[2] Engine flywheel peg: (-).0188.X.
[3]Tension lever: (-).0188.Y.
[4]Belt compression spring: (-).0188.K.
[5]Camshaft pinion peg: (-).0188.M.
[6] Engine flywheel lock: (-).0188.F.
[7]Set of blocking plugs: (-).0188.T.
IMPERATIVE : Respect the safety and cleanliness recommendations
specific to high pressure diesel injection (HDi) engines.
Checking the setting of the valve timing.
- Turn the crankshaft(normal direction of rotation)and line up the black
markings on the chain (b) and (c)with the teeth marked (a) and (d)of the
camshaft drive pinions (40 turns max. of the camshaft).
CHECKING AND SETTING THE VALVE TIMING
Engine : 4HX
B1EP159D

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86
Checking the setting of the valve timing (continued).
IMPERATIVE : If it is impossible to line up the marks on the chain and on the camshaft drive
pinions, restart the camshaft setting.
(See operation for removing and refitting camshafts).
- If the marks on the chains and pinions are coinciding, continue the checking operations.
Peg :
- The crankshaft, using tool [3].
- The camshaft pinion, using tool [5]
IMPERATIVE : Should it be impossible to peg the camshaft, check that the offset between the
camshaft pinion hole and the pegging hole is not more than 1 mm (use a screw 7 mm in dia.).
If the offset is more than 1 mm, restart the setting of the valve timing
(See corresponding operation).
- Remove the tools [3] and [5].
CHECKING AND SETTING THE VALVE TIMING
Engine : 4HX
B1EP15ADB1BP298C

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87
Setting the valve timing.
- Turn the crankshaft to bring camshaft to its pegging point.
- Peg the crankshaft, using tool[3].
- Peg the camshaft, using tool[5].
Untighten :
- The three screws (25).
- The screw (23)of the tensioner roller (24).
- Remove the timing belt (26).
Checks.
IMPERATIVE : just prior to refitting, carry out the checks below:
Check :
- That the rollers (24) and (27)and the water pump(22) are turning freely.
(Without play and without tightness).
- Absence of traces of oil leaks (Crankshaft and camshaft sealing rings).
- Absence of leaks of coolant fluid (Water pump).
NOTE :Replace defective components(If necessary).
CHECKING AND SETTING THE VALVE TIMING
Engine : 4HX
B1EP15ADB1BP298C

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88
CHECKING AND SETTING THE VALVE TIMING
Engine : 4HX
Setting the valve timing (continued).
Refit
- Retighten the screws (25) by hand.
- Turn the pinion (29)(clockwise)to the bottom of the buttonhole.
- Refit the belt on the crankshaft (28).
- Hold the belt, using tool[4].
- Reposition the timing belt, keeping the belt tight at «a», in the following order :
- Guide roller (27).
- Fuel high pressure pump pinion (30).
- Camshaft pinion (29).
- Water pump pinion (22).
- Tensioner roller (24).
NOTE : If needed, slightly turn the pinion (29)anti-clockwise(not by more
than one tooth).
- Remove the tool [4].
B1EP15CCB1EP15DDB1EP15BD

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Setting the valve timing (continued)
- Position tool [1]on the belt at«b».
- Turn the tensioner roller (24) (anti-clockwise)using tool [2]to attain a tension of :
106 SEEM units.
- Tighten screw (23) of the tensioner roller, tighten to 2.5 m.daN.
- Remove one screw (25) from the pinion (29).
(to check that the screws are not against the end of the buttonhole).
- Tighten the screws(25)to 2 m.daN.
- Remove tools [1]. [2]. [3]and [5].
- Rotate the crankshaft 8 times(normal direction of rotation).
- Fit the tool [3].
- Loosen screws (25).
- Fit tool [5].
- Loosen screw (23)(to free the tensioner roller (24).
- Fit tool[1].
- Turn the tensioner roller(24)(anti-clockwise),using tool[2], to attain a tension of :
51 SEEM units.
- Tighten :
- The screw (23) of the tensioner roller(24)to 2.5 ± 0.2 m.daN.
- The screws(25)to 2 ± 0.2 m.daN.
CHECKING AND SETTING THE VALVE TIMING
Engine : 4HX
B1EP15ED