spec Citroen C3 2004 1.G Repair Manual

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155
CHECKING AND SETTING THE VALVE TIMING
Engines: KFX KFV NFU
Setting the timing (continued).
Engines:
HFXKFV.Refitting.
NOTE:Check that the pegs [1]and [2]are in place.WARNING:Respect the direction of fitting of the timing belt, the arrows «d»indicate the direction of rotation
of the crankshaft.Refit the timing belt.
Position the timing belt, belt
«e»well tensioned, in the following order:
Crankshaft pinion, hold the belt using tool [5].
Camshaft pulley. Coolant pump pulley.
Tensioner roller.
Remove the tools
[1], [2].
Engine:NFU.Fit the timing belt in position in the following order:
Inlet camshaft pulley. Exhaust camshaft pulley.
Guide roller.
Crankshaft pulley.
Position tool
[5].
Coolant pump pulley.
Dynamic tensioner roller.
Remove the tools
[1], [3]and [5].B1EP18RC
C2 C3 C3 PLURIEL

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CHECKING AND SETTING THE VALVE TIMING
Engines: KFW NFV
Refitting the timing belt.
NOTE:
Check that the pegs [1]and [2]are in place.
WARNING: Respect the direction of fitting of the belt: The arrows "a" indicate the direction of rotation of
the crankshaft.
Position:
The timing belt, belt "b"welltensioned, in the following order:
Crankshaft pinion, camshaft pulley, coolant pump pulley, tensioner roller.
Tool
[5](respect the direction of fitting relative to the valve timing).
Put the tensioner roller in contact with the belt.
Tighten the nut
(2).
Pretensioning the belt.
Place tool [4]on the tensioned part "b"of the belt.
Slacken the screw (2).
Turn the roller (3)in the anticlockwise direction using the drive square, to obtain a value of:44 SEEM units. Tighten the nut (2)to 2 m.daN. Remove tools [1], [2]and [4].
Rotate the crankshaft 4 turnsin the normal direction of rotation.
IMPERATIVE:Never turn the crankshaft backwards.
B1EP06ACB1EP069C
XSARA XSARA PICASSO
ENGINE

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ENGINECHECKING AND SETTING THE VALVE TIMING
Engines: KFW NFV
Pretensioning the timing belt (continued).
Make sure of the timing setting by refitting the pegs [1]and [2].
Remove the valve cover.
Position the tool
[5](respect the direction of fitting relative to the valve timing).
Adjusting the belt tension.
Place tool [4]on the tensioned part of the belt.
Slacken the nut (2).
Detension the belt, but too much.
Tension the timing belt to obtain a value of:
31 ± 2 SEEM units.
Tighten the nut (2)to 2 m.daN.
Remove tools [1], [2], [4] and [5].
Checking the belt tension.
Rotate the crankshaft 2 turnsin the normal direction of rotation.
Check that it is still possible to peg the following components. Flywheel.
Camshaft.
IMPERATIVE: Repeat the belt tensioning operation if the pegging is not possible.
XSARA XSARA PICASSO

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ENGINECHECKING AND SETTING THE VALVE TIMING
Engine: NFU
Setting the valve timing.
Loosen the screw (2), remove the belt.
Loosen the six pulley screws (1)on the hubs(there should be a slight amount of friction between the screws and the pinions).
Check that the rollers (2)and (3)rotate freely.
NOTE:The belt bears three identification marks * (a), (b)and (c), facing its own teeth (1), (52) and (72)respectively.
*
(Identification marks = white paint lines on the back of the belt facing the corresponding teeth).
Refit the belt.
Line up mark (A)on the belt with groove (D)of the pinion (4).
Hold the belt against the pinion (4).
B1EP11ECB1EP11DC
XSARA

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ENGINECHECKING AND SETTING THE VALVE TIMING
Engines: 6FZ RFN 2003 #
Setting the timing (continued).Turn the tensioner roller (8), using tool [5a]to go beyond slot «b».
Position the tool [5b]to lock the index «a»and remove the tool [5a].
Reposition the timing belt (7)on the crankshaft pulley.
Hold the timing belt (7)in place using tool [3].
Fit the timing belt (7)in place, respecting the following order:
Guide roller (10).
Inlet camshaft pulley (6).
Exhaust camshaft pulley (5).
Coolant pump (11).
Tensioner roller (8).NOTE:Make so that the belt (7)is as flush as possible with the exterior face of the various
pinions and rollers.
Remove: Tool
[3].
Tool [1]from the exhaust camshaft pulley.
Tool [5b]from the tensioner roller (8).
Refit: The lower timing cover
(4)(by moving the engine). The crankshaft pulley (2).
Screw (3)of the crankshaft pulley
Tighten screw (3)to 4 ± 0,4 m.daN, then angular tighten to 53° ± 4°, tool [4].
B1EP1BCDB1EP1BDC
XSARA XSARA PICASSO

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ENGINECHECKING AND SETTING THE VALVE TIMING
NOTE: Checking and setting the valve timing on engines: RHYRHZ N° ⁄ RPO 9127
See Mechanic’s Handbook 2003: pages 193 to196
Tools.
[1]
Belt tension measuring equipment :4122T
[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 dia.peg: ().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 underengine sounddeadening.
The front RH wheel.
The front RH splashshield. The engine cover.
Unclip and move aside the cooling hose.
Remove the accessories drive belt
(see corresponding operation).
XSARA XSARA PICASSO
Engines: RHY RHZ N° RPO 9128 #

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225
RFS
SPECIAL FEATURES OF THE TIMING
B1EP122C
Camshaft hub identification
Engine
RFSInlet
ExhaustHubs‘‘a’’ Engraving
B‘‘b’’Paint marking
BLUE

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ENGINE
ALL TYPES FILLING AND BLEEDING THE COOLING CIRCUIT
Tools.
[1]
Filling cylinder: 4520T
[2]Adaptor for filling cylinder: 4222T
IMPERATIVE: Respect the safety and cleanliness requirements.
The draining and refilling operations can be carried out using WINN’S or similar coolant fluid replacement
equipment;it is essential to follow the instructions as stated for that equipment.
Filling and bleeding.
Fit the cylinder adaptor [2] 4222T (Picasso,C2,C3)and the filling cylinder [1] 4520T (all types).
Use the coolant to ensure protection between 15°C and 37°C.
Slowly fill the system.
NOTE:Keep the cylinder filled up (visible level).
Close each bleed screw as soon as the coolant flows without air bubbles.
Start the engine :Engine speed
1500 rpm.
Maintain this speed until the first cooling cycle (cooling fans cut in and cut out).
Stop the engine and allow it to cool down.
Remove the filling cylinder
[1] 4520T (all types)and the cylinder adaptor [2] 4222T.
Top up the system to the max. mark, with the engine cold.
Refit the filler cap.
E5AP1GNCB1GP00AC

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INJECTION
SAFETY REQUIREMENTS: HDi DIRECT INJECTION SYSTEM
Engines: HDi ALL TYPES
SAFETY REQUIREMENTS.
Preamble.
All interventions on the injection system must be carried out to conform with the following requirements and regulations:
Competent health authorities.
Accident prevention.
Environmental protection.
WARNING:Repairs must be carried out by specialised personnel informed of the safety requirements and of the precautions to be taken.
Safety requirements.
IMPERATIVE: Take into account the very high pressures in the high pressure fuel circuit (1350 bars), and respect the requirements below: No smoking in proximity to the high pressure circuit when work is being carried out.
Avoid working close to flame or sparks.
Engine running: Do not work on the high pressure fuel circuit.
Always stay clear of the trajectory of any possible jet of fuel, which could cause serious injuries.
Do not place your hand close to any leak in the high pressure fuel circuit.
After the engine has stopped, wait
30 secondsbefore any intervention.
NOTE:This waiting time is necessary in order to allow the high pressure fuel circuit to return to atmospheric pressure.

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INJECTION
SPECIFICATIONS OF THE DELPHI DIESEL INJECTION PUMP
PUMP TYPE REFERENCE
Dépollution
EquipmentL3
Transponder
XSARA
XSARA
8B
DWWJYDWLP 12
R8448 B
371 B