Pump Citroen C4 2005 2.G Repair Manual

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ENGINECHECKING AND SETTING THE VALVE TIMING
Engines: 9HX - 9HY - 9HZ
Checking and setting the timing (continued).
Turn the engine in the normal direction of rotation until the peg [1]engages in the setting hole.
Peg the flywheel at «b», using tool [1].
Move aside the electrical harness (6).
Remove:
- The engine support (7).
- The screw (8).
- The accessories drive pulley (9).
- The lower timing cover (10).
- The upper timing cover (11).
- The tool [1].
Refit the screw (8).
Rotate the crankshaft to bring the camshaft to its pegging point.
Peg:
- The camshaft at «c», using tool [2]
(oil the pegs).
- The fuel high pressure pump pulley (15)at «f»using a 5 mmdiameter peg.
WARNING: Do not touch or damage the track of the engine speed sensor target (14).
B1BP305C
B1EP1HJD
C4
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ENGINE
CHECKING AND SETTING THE VALVE TIMING
Engines: 9HX - 9HY - 9HZ
Checking and setting the timing (continued).
Peg the crankshaft at «e», using tool [3].
Remove:
- The timing belt protector (13).
- The engine speed sensor (14).
Slacken the screw (12)of the tensioner roller and keep it slackened using an allen spanner at «d».
Detension the timing belt by pivoting the tensioner roller
(clockwise).
Remove the timing belt, starting with the coolant pump pinion.
Checks.
ESSENTIAL: Just prior to refitting, proceed to the checks as below.
Check:
- That the rollers and the coolant pump pulley turn freely
(without play and without tight spot).
- That there are no signs of oil leaks (at the crankshaft and camshaft seals).
- That there are no leaks of coolant fluid (at the coolant pump).
- That the track of the engine speed sensor target (14)is not damaged or scratched.
Replace any components that are defective
(if necessary).
B1EP1HMC
C4
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ENGINECHECKING AND SETTING THE VALVE TIMING
Engines: 9HX - 9HY - 9HZ
Checking and setting the timing (continued).
Refitting.
Fit the timing belt on the crankshaft pinion.
Position the belt on the guide roller, belt well tensioned.
Refit:
- The timing belt protector (13).
- The engine speed sensor (14).
Reposition the timing belt, strip «f»well tensioned, in the following sequence:
- Guide roller (17).
- Camshaft pulley (16).
- Fuel high pressure pump pulley (15).
- Coolant pump pulley (19).
- Tensioner roller (18).
B1EP1HMC
C4
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ENGINE
CHECKING AND SETTING THE VALVE TIMING
Engines: 9HZ - 9HY
B1EP1E6D
Refit the screw (10).
Turn the crankshaft to bring the camshaft towards its pegging point.
Peg the camshaft at «c», using tool [2]
(oil the pegs).
WARNING: Do not press or damage the track of the engine speed sensor target (13).
Peg the crankshaft at «e», using tool [3].
Remove:
- The timing belt protector (13).
- The engine speed sensor (14).
Slacken the screw (15)of the tensioner roller, and keep it slackened using an allen
spanner at «d».
Detension the timing belt by pivoting the tensioner roller
(clockwise).
Remove the timing belt, starting with the coolant pump pinion.
Checks.
ESSENTIAL: Just prior to refitting, proceed to the checks as below.
Check:
- That the rollers and the coolant pump pulley turn freely
(without play and without tight spot).
- That there are no signs of oil leaks (at the crankshaft and camshaft seals).
- That there are no leaks of coolant fluid (at the coolant pump).
- That the track of the engine speed sensor target (15)is not damaged or scratched.
Replace any components that are defective
(if necessary).
XSARA PICASSO
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ENGINE
CHECKING AND SETTING THE VALVE TIMING
Engines: 9HZ - 9HY
B1EP1E7D
Refitting.
Fit the timing belt on the crankshaft pinion.
Position the belt on the guide roller, belt well tensioned.
Refit:
- The timing belt protector (13).
- The engine speed sensor(14).
Reposition the timing belt, strip «f»well tensioned, in the following sequence:
- Guide roller (16).
- Camshaft pulley (20).
- Fuel high pressure pump pulley (19).
- Coolant pump pulley (17).
- Tensioner roller (18).
XSARA PICASSO
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ENGINE
CHECKING AND SETTING THE VALVE TIMING
Engine: WJY
Tools.
[1]Pliers for remving plastic pins: 7504-T or (-).1311
[2]Flywheel peg: 7014-T.J or (-).0188 Y
[3]Injection pump setting peg Ø 6 mm : (-).0188 H
[4]Screw H M8 : (-).0188 E
[5]Belt retaining pin: (-).0188 K
[6] Square for adjusting belt tension: (-).0188 J1
[7] Belt tension measuring instrument, with digital display: SEEM CTG 105.5M
Checking the timing.
Peg the flywheel, using tool [2].
Peg the camshaft hub, using tool [4].
Peg the injection pump hub, using tool[3].
IMPERATIVE: If the pegging proves impossible, repeat the setting of the timing.
B1BP2FTC
B1EP16PD
XSARA
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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 splash-shield, 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 gearto 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).
Peg the camshaft hub, using tool[4].
Peg the injection pump hub, using tool[3].
Slacken screws (5)and (6).
Slacken screw (9)of the tensioner roller (8).
Remove the timing belt.
Refitting.
Retighten screws (5)and (6) by hand.
Turn the pinions (10)and(7)clockwise in order to place them at end of slots.
Fit the timing belt on the crankshaft.
Hold the belt, using tool [5].
Position the timing belt in the following sequence:
- Guide roller (11).
- Injection pump pinion (7).
- Camshaft pinion (10).
- Coolant pump pinion (12).
- Tensioner roller (8).
B1EP16PDB1EP1EDCB1EP132C
XSARA
B1EP1EEC
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ENGINECHECKING AND SETTING THE VALVE TIMING
Engine: WJY
B1EP1EDC
Setting the timing (continued).
NOTE:If necessary, you can slightly rotate the pinions (10)and (7)anti-clockwise in order to engage the belt.
The angular displacement value of the belt in relation to the pinions should not be more than half a tooth.
Remove tool [5].
Act on the tensioner roller (8)by its square «a», using tool [6]to check that the camshaft and injection
pump pinions can turn freely.
Position the belt tension instrument [7]on the belt at «b».
Using tool [6], act at «a»in the direction opposite to that of engine rotation, to obtain a tension value of
106 ± 2 SEEMunits.
Tighten screws (9), (5) and (6).
Remove tools [7], [2], [3]and [4].
Rotate the crankshaft 8 times
in the normal direction of rotation.
Peg the flywheel, using tool [2].
Peg the camshaft hub, using tool [4].
Peg the injection pump hub, using tool [3].
Slacken screws (9), (5)and (6).
Position the belt tension instrument [7]on the belt at «b».
Using tool [6], act at «a»in the direction opposite to that of engine rotation, to obtain a tension value of
42 ± 2 SEEMunits.
B1EP1EFC
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 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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