DRIVE BELT Citroen C3 2004 1.G Service Manual

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ENGINECHECKING AND SETTING THE VALVE TIMING
Engines: 8HX 8HW 8HZ
B1BP2LXC
Tools.
[1]
Pliers for removing plastic pegs : 7504T
[2]Lever for detensioning the dynamic tensioner roller: ().0194.E
[3]Engine flywheel setting peg: ().0194.C
[4]Camshaft setting peg: ().0194.B
[5]Crankshaft and high pressure pump setting peg: ().0194.A
Preliminar
y operations.Remove:
The front RH wheel.
The front RH splashshield, using tool
[1].
The clips of the electrical harness on the upper timing cover. The accessories belt, using tool
[2](see corresponding operation).
Check ing the setting.
Disconnect the battery negative cable.
Remove the upper timing cover (1).
Rotate the engine using the screw (2)of the crankshaft pulley.
NOTE:The locking hole is located under the crankshaft bearing cap cover.
Undo the screw (2).
Detension the auxiliary drive belt dynamic tensioner roller, using tool [2].
C2 C3 C3 PLURIEL XSARA

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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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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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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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201
CHECKING AND SETTING THE VALVE TIMING
Engines: 9HZ 9HY
B1BP304D
Tools.
[1]
Flywheel setting peg: ().0194.C
[2]
Camshaft setting peg:().0194.B
[3]
Crankshaft setting peg: ().0194.A
Checking and setting the timing.
Removing.
Raise and support the vehicle, wheels hanging.
Disconnect the positive and negative terminals of the battery.
Remove: The front RH wheel.
The front RH splashshield.
The accessories drive belt
(see corresponding operation).
Uncouple: The fuel supply unions
(1).
The air/air heat exchanger inlet and outlet pipes
(3).
The exhaust line
(at the flexible pipe).
Disconnect the connecter at
«a».
Remove and move aside the power steering fluid reservoir
(6).
Uncouple, plug and move aside the tube
(2).
Support the engine with a roller jack equipped with a block.
Remove the engine supports
(4)and (5).
XSARA PICASSO

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ENGINECHECKING AND SETTING THE VALVE TIMING
Engines: 9HZ 9HY
Refitting.
Refit tool [1]at «b».
Remove the screw (10).
Refit:
The upper timing cover
(12).
The lower timing cover (11).
The accessories drive pulley (9).
The screw (10).
Tightening torqueScrew (10)Pretighten to:3 ± 0,3 m.daN.
Angular tighten:180°±5°.
Remove tool [1].
Refit:
The engine support
(8), tighten to 5,5 ± 0,4 m.daN.
The engine support (4), tighten to 6,1 ±0,6 m.daN.
The engine support (5), tighten to 2,5 ±0,2 m.daN.
The electrical harness (7).
The power steering fluid reservoir (6).
XSARA PICASSO
Couple:
The tube (2).
The exhaust line, tighten the clip to 2,5 ± 0,3 m.daN.
The fuel unions (1).
The air/air heat exchanger inlet and outlet pipes (3).
Connect the connector at «a».
Refit:
The accessories drive belt
(see corresponding operation).
The front RH splashshield
(see corresponding operation).
The front RH wheel, tighten to 9 ±1 m.daN.
Reconnect the positive and negative terminals of the battery.
IMPERATIVE:Perform the operations that are necessary following a
reconnection of the battery (see corresponding operation).

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ENGINE
CHECKING AND SETTING THE VALVE TIMING
Engines: 9HZ 9HY
B1BP304D
Tools.
[1]
Flywheel setting peg: ().0194.C
[2]
Camshaft setting peg:().0194.B
[3]
Crankshaft setting peg: ().0194.A
Checking and setting the timing.
Removing.
Raise and support the vehicle, wheels hanging.
Disconnect the positive and negative terminals of the battery.
Remove: The front RH wheel.
The front RH splashshield.
The accessories drive belt
(see corresponding operation).
Uncouple:
The fuel supply unions
(1).
The air/air heat exchanger inlet and outlet pipes
(3).
The exhaust line
(at the flexible pipe).
Disconnect the connecter at
«a».
Remove and move aside the power steering fluid reservoir
(6).
Uncouple, plug and move aside the tube
(2).
Support the engine with a roller jack equipped with a block.Remove the engine supports
(4)and (5).
XSARA PICASSO

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ENGINECHECKING AND SETTING THE VALVE TIMING
Engines: 9HZ 9HY
Refitting (continued).
Refit tool [1]at «b».
Remove the screw (10).
Refit:
The upper timing cover
(12).
The lower timing cover (11).
The accessories drive pulley (9).
The screw (10).
Tightening torqueScrew (10)Pretighten to:3 ± 0,3 m.daN.
Angular tighten:180°±5°.
Remove tool [1].
Refit:
The engine support
(8), tighten to5,5 ± 0,4 m.daN.
The engine support (4), tighten to 6,1 ±0,6 m.daN.
The engine support (5), tighten to 2,5 ±0,2 m.daN.
The electrical harness (7).
The power steering fluid reservoir (6).
XSARA PICASSO
Disengage the jack from under the engine.
Couple:
The tube
(2).
The exhaust line, tighten the clip to 2,5 ± 0,3 m.daN.
The fuel unions (1).
The air/air heat exchanger inlet and outlet pipes (3).
Connect the connector at «a».
Refit:
The accessories drive belt
(see corresponding operation).
The front RH splashshield (see corresponding operation).
The front RH wheel, tighten to 9 ± 1 m.daN.
Reconnect the positive and negative terminals of the battery.
IMPERATIVE: Perform the operations that are necessary following a
reconnection of the battery (see corresponding operation).

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ENGINECHECKING AND SETTING THE VALVE TIMING
Engine: WJY
B1BP2FTC
Setting the timing.
Removing.
Disconnect the battery.
Remove the front RH lower splashshield, using tool [1].
Remove the accessories drive belt (see corresponding operation).
Uncouple and plug the diesel fuel delivery and return hoses. Support the engine, using a workshop hoist.
Remove the RH engine support.
Engage 5th gear to permit rotation of the engine. Remove the upper cover
(1).
Remove the intermediate cover (2).
Remove the lower cover (3).
WARNING:Refit the screw (4)equipped with a washer (5 mm thick).
Rotate the front RH wheel to drive the engine in its normal direction of
rotation. Bring the camshaft drive and injection pump pinions to their setting points.
Position the peg
[2](from underneath the vehicle).
Continue turning the engine until the peg [2]engages in the flywheel.
B1BP30BC
XSARA

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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 SEEM units.
Remove tools [7], [2], [3] and [4].
Turn the crankshaft 2 timesin 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 correspondingpegging 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 splashshield. Disengage
5th gear.
Connect the battery.