2005 Citroen C4 Camshaft

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ENGINE
CHECKING AND SETTING THE VALVE TIMING
Engine: WJY
Setting the timing (continued).
Tighten:
- Screw (9)to 2.1 ± 0.2 m.daN.
- Screws (5)to 2,3 ± 0.2 m.daN.
- Screws (6)to 2,3 ± 0.2 m.daN.
- Remove and refit tool [7].
- The tension value should be between 38 and 46 SEEMunits.
- Remove tools [7], [2], [3]and [4].
- Turn the crankshaft 2 times
in the normal direction of rotation.
- Peg the flywheel, using the peg [2].
- Visually check the peggings of the camshaft and injection pump.
ESSENTIAL: Visually check that the offsets between the holes of
the camshaft and injection pump hubs and the corresponding
pegging holes are not more than 1 mm. If necessary, recommence
the procedure for fitting the timing belt.
XSARA
Setting the timing (continued).
Remove the peg [2].
Remove the screw (4)and the washer.
Refit the lower cover (3).
Refit the intermediate cover (2).
Refit the upper cover (1).
Remove the RH engine support.
Take away the workshop hoist.
Remove the plugs and recouple the diesel fuel delivery and return
hoses.
Refit the accessories drive belt
(see corresponding operation).
Refit the RH lower splash-shield.
Disengage 5th gear.
Connect the battery.
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ENGINECHECKING AND SETTING THE VALVE TIMING
Tools.
[1]Belt tension measuring equipment : 4122-T
[2]Tension lever: (-).0188.J2
[3]Engine flywheel peg: (-).0188.Y
[4] Belt clamp: (-).0188.AD
[5]Camshaft pulley peg: (-).0188.M
[6] Engine flywheel lock: (-).0188.F
[7] Set of blocking plugs: (-).0188.T
[8] Pulley extractor: (-).0188.P
[9] 2 mm Øpeg: (-).0188.Q2Removing.
IMPERATIVE: Respect the safety and cleanliness requirements
that are specific to high pressure diesel injection (HDi) engines.
Undo the front RH wheel bolts.
Raise and support the vehicle on the front RH side.
Disconnect the battery negative terminal.
Remove:
- The under-engine sound-deadening.
- The front RH wheel.
- The front RH splash-shield.
- The engine cover.
Unclip and move aside the cooling hose.
Remove the accessories drive belt
(see corresponding operation).
XSARA - XSARA PICASSO
Engines: RHY - RHZ
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ENGINE
CHECKING AND SETTING THE VALVE TIMING
Engines: RHY - RHZ
Uncouple, plug and move aside, using tool [7], the fuel delivery pipe(2)and return
pipe (1).
Remove:
- Screws (3), (4)and (6).
- Screw (7).
- The upper timing cover (5).
WARNING: Refit screw (7) equipped with a spacer
(17 mm thick), tighten the
screw (7) to 1,5 ± 0,1 m. daN.
NOTE: The screw (7)is one of the screws securing the coolant pump and is there
for its sealing.
Put the gear lever in 5th gear.
Turn the road wheel to turn the engine in its direction of rotation.
Orient the camshaft pulley in the pegging position, use a mirror if necessary.
Peg the camshaft, using tool [5].
Peg the engine flywheel, using tool [3].
B1EP1A7CB1BP2H3CB1BP2H2CB1BP2R2C
XSARA - XSARA PICASSO
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ENGINE
CHECKING AND SETTING THE VALVE TIMING
Engines: RHY - RHZ
Slacken the screw (17)of the tensioner roller (18).
Remove the timing belt (14).
Checks.
IMPERATIVE: Just before refitting, carry out the checks below.
Check that:
- The rollers (18)and (15)turn freely
(without play and without any tight spot).
- The coolant pump pulley (16)turns freely
(without play and without any tight spot).
- There are no traces of oil leaks from the crankshaft and camshaft seals, etc.
- The crankshaft pinion travels freely on the keyway.
Replace defective components if necessary.
Peg the crankshaft pinion (19)by inserting tool [9]on the LH side of the keyway.
B1EP1A8D
B1EP1A9C
XSARA - XSARA PICASSO
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ENGINECHECKING AND SETTING THE VALVE TIMING
Engines: RHY - RHZ
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)anti-clockwise, using tool [2], to attain an overtension of:
98 ± 2 SEEMunits.
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].
B1EP1ABD
B1EP1ACC
XSARA - XSARA PICASSO
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ENGINE
CHECKING AND SETTING THE VALVE TIMING
Engines: RHY - RHZ
Lock the engine flywheel, using tool [6].
Slacken the accessories drive pulley (8).
The screw (17)of the tensioner roller (18).
Fit the tool [1].
Turn the tensioner roller, using tool [2], to attain a tension of: 54 ± 2 SEEMunits.
Tighten screw (17)of the tensioner roller (18)to 2,5 ± 0,2 m.daN.
Remove tool [1].
Fit tool [1].
The tension value should be: 54 ± 3 SEEMunits.
ESSENTIAL: If the value is incorrect, recommence the operation.
Remove tools [1], [3], [5]and [6].
Rotate the crankshaft two times in the normal direction of rotation.
Peg:
- The crankshaft, using tool [3].
- The camshaft drive pulley.
IMPERATIVE: If the pegging is not possible, recommence the operation.
B1EP1ACC
XSARA - XSARA PICASSO
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ENGINE
CHECKING THE VALVE TIMING
Engine: RHR
Tools.
[1] Kit of plugs: (-).0188.T
[2] Double flywheel setting peg: (-).0188.X Toolkit 0188-T
[3]Camshaft setting peg: (-).0188.M
IMPERATIVE: Respect the safety and cleanliness requirements specific to High pressure Diesel
injection (HDi) engine versions.
Remove the engine cover and the battery.
Disconnect the negative terminal of the battery.
Raise and support the front of the vehicle.
Remove the under-engine sound-deadening and the front RH splash-shield.
Uncouple, plug and move aside, using tool [1], the fuel supply and fuel return pipes..
Suspend the engine, using a workshop hoist.
Remove the engine support bracket and the engine support.
Move aside the electrical harness (1).
Remove:
- The camshaft position sensor.
- The inlet cylinder head cover (2).
- The upper timing cover screws.
- The upper timing cover (3).
B1EP1GFC
C4
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ENGINECHECKING THE VALVE TIMING
Engine: RHR
Checks.
Turn the crankshaft in the normal direction of rotation.
Line up the black markings «b»and «c»on the chain with the teeth «a»and «d» of the camshaft drive
pinions
(40 turnsof the camshafts maximum).
IMPERATIVE: If it is impossible to line up the markings on the chain with the camshaft drive
pinions, repeat the setting of the camshafts
(see operation: removing-refitting camshafts).
Peg:
- The crankshaft, using tool [2].
- The camshaft pinion, using tool [3].
Remove tools [1]and [3].
Complete the refitting.
B1EP1FND
B1BP31FC
C4
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