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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 splash-shield.
- 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 uppe Citroen C4 2005 2.G Workshop Manual Downloaded from www.Manualslib.com manuals search engine 252
ENGINECHECKING AND SETTING THE VALVE TIMING
Engines: 9HZ - 9HY
Refitting.
Refit tool [1]at «b».
Remove the screw (10).
Refit:
- The uppe](/manual-img/9/4138/w960_4138-257.png)
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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 torque
Screw (10)Pre-tighten 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 splash-shield (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 splash-shield.
- 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: Citroen C4 2005 2.G Workshop Manual Downloaded from www.Manualslib.com manuals search engine 258
ENGINECHECKING AND SETTING THE VALVE TIMING
Engines: 9HZ - 9HY
Refitting (continued).
Refit tool [1]at «b».
Remove the screw (10).
Refit:](/manual-img/9/4138/w960_4138-263.png)
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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 torque
- Screw (10)Pre-tighten 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
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 splash-shield (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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INJECTION
CHECKS: LOW PRESSURE FUEL SUPPLY CIRCUIT
Tools.
[1] Ø 10 mmlow pressure connector: 4215-T
[2]Pressure gauge for testing boost pressure: 4073-T.A Toolkit 4073-T
IMPERATIV: Respect the safety and cleanliness specific to high pressure diesel injection
engines.
Remove the air filter duct.
Link tool [1]in series, downstream of the injectors, between the fuel high pressure pump and the
fuel filter at «a»and «b».
WARNING: Any checking of pressure downstream of the fuel filter is prohibited.
Switch on the ignition.
Check the pressure :
Vacuum measured by the pressure gauge [2]:
Vacuum Observations
10 ± 0,5 cmHgEngine driven by the starter motor.
20 ± 0,5 cmHgEngine running under full load
60 ± 0,5 cmHgSupply circuit obstructed
(full tank strainer, piping, fuel filter)
B1CP0GFD
Engines: 9HX - 9HY - 9HZ
C4
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INJECTION
CHECKS: LOW PRESSURE FUEL SUPPLY CIRCUIT
Tools.
[1] Ø 10 mm low pressure connector: 4215-T
[2] Pressure gauge for testing boost pressure: 4073-T.A Toolkit 4073-T
IMPERATIVE: Respect the safety and cleanliness specific to high pressure diesel injection
engines.
Remove the air filter duct.
Link tool [1]in series, downstream of the injectors, between the fuel high pressure pump and the
fuel filter at «a»and «b».
WARNING: Any checking of pressure downstream of the fuel filter is prohibited.
Switch on the ignition.
ESSENTIAL: Check that the tool [2] is clean.
Check the negative pressure according to the table below:
Vacuum Observations
10 ± 05 cmhgEngine driven by the starter motor
20 ± 20 cmhgEngine running under full load
60 ± 05 cmhgSupply circuit obstructed
(full tank strainer, piping, fuel filter
B1BP2PHC
Engines: 9HZ - 9HY
XSARA PICASSO
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INJECTION
CHECKS: TURBO PRESSURE
Tools.
[1] Pressure gauge for checking the turbo pressure: 4073-T Toolkit 4073-T
[2]Pressure take-off exte Citroen C4 2005 2.G Workshop Manual Downloaded from www.Manualslib.com manuals search engine 293
INJECTION
CHECKS: TURBO PRESSURE
Tools.
[1] Pressure gauge for checking the turbo pressure: 4073-T Toolkit 4073-T
[2]Pressure take-off exte](/manual-img/9/4138/w960_4138-298.png)
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INJECTION
CHECKS: TURBO PRESSURE
Tools.
[1] Pressure gauge for checking the turbo pressure: 4073-T Toolkit 4073-T
[2]Pressure take-off extension: 8607-T.A
[3]Pressure take-off union and hose: 8607-T.B
[4] Sleeve for checking the turbo pressure: 4185-T
[5]Adaptor sleeve: 4219-T
IMPERATIVE: Respect the safety and cleanliness specific to high pressure diesel injection
engines.
Preliminary operation.
Slacken the clip (1).
Uncouple the air duct (2).
Connect the tool [1]on tool [2]and the tool [3]on tool [2].
Positioning on the vehicle.
Insert the tools [4]and [5]between the air duct (2)and the turbo air cooler outlet at «a».
Connect the tool [3]on tool [4].
Position the tool [1]inside the vehicle.
Start the engine.
Accelerate to 4000 rpm.
The value should be: 1 ± 0,2.
Return the vehicle to conformity.
Remove tools [1], [2], [3], [4]and [5].
Recouple the air duct (2)on the turbo air cooler.
Tighten the clip (1).
B1BP356C
B1HP1ZXC
Engine: RHR
C4
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INJECTION
CHECKING THE AIR SUPPLY CIRCUIT
Tool.
[1]Manual pressure-vacuum pump: FACOM DA 16
Vacuum pump:
- Connect the tool [1]onto the vacuum pump (1).
- Start the engine.
- Wait 30 seconds.
The vacuum value should be 0.9 ± 0.1 barat idle.
B1HP1K8D
Engines: 8HX - 8HZ
XSARA
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