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ENGINE
SPECIAL FEATURES - TIGHTENING TORQUES (m.daN)
Engines8HX 8HZ
Cylinder head
Camshaft bearing covers
Pre-tightening0,5
Tightening1
Fixing of camshaft sub-assemblies on cylinder head
Pre-tightening0,5
Tightening1
Exhaust manifold2,5 ± 0,2
Valve cover2,5 ± 0,2
Camshaft pulley4,3 ± 0,4
Flywheel
Flywheel
Pre-tightening1,7 1,7
Angular tightening70°±5° 75°±5°
Clutch mechanism2 ± 0,2
Lubrication circuit
Oil pump assembly
Pre-tightening0,5 ± 0,06
Tightening0,9 ± 0,1
Coolant/oil heat exchanger1 ± 0,1
XSARA
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Page 139 of 462
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ENGINE
SPECIAL FEATURES - TIGHTENING TORQUES (m.daN)
Flywheel
Flywheel4,8 ± 0,4
Clutch mechanism2 ± 0,2
Lubrication circuit
Oil pump2,3 ± 0,2
Coolant/oil heat exchanger7 ± 0,7
Injection circuit
Injector on cylinder head9 ± 0,9
Diesel fuel heater1,5 ± 0,1
Injection pump2 ± 0,2
Union on injector2,5 ± 0,2
Injection pump pulley2,3 ± 0,2
Cooling circuit
Coolant pump1,5 ± 0,1
Coolant inlet housing1,8 ± 0,1 Engine: WJY
XSARA
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ENGINESPECIAL FEATURES - TIGHTENING TORQUES (m.daN)
Flywheel
Flywheel4,8 ± 0,4
Clutch mechanism2 ± 0,2
Lubrication circuit
Oil pump1,6 ± 0,2
Coolant oil heat exchanger7 ± 0,7
Turbocharger lubrication pipe
Engine end4,8 ± 0,4
Turbocharger end2,2 ± 0,2
Injection circuit
Injector fixing flange nut3 ± 0,3
Unions on fuel high pressure common injection rail2 ± 0,2
Injection pump on support2,3 ± 0,2
Union on diesel injector2 ± 0,2
Injection pump pulley5 ± 0,5
Union on fuel high pressure pump2 ± 0,2
Cooling circuit
Coolant pump1,5 ± 0,1
Coolant inlet housing1,8 ± 0,1 Engines: RHY - RHZ
XSARA
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ENGINECHECKING THE VALVE TIMING
Engines: 9HX - 9HY - 9HZ
Tools.
[1]Flywheel setting peg: (-).0194.C
[2] Camshaft setting peg: (-).0194.B
[3] Crankshaft setting peg: (-).0194.A
IMPERATIVE: Respect the safety and cleanliness requirements specific to High pressure Diesel
injection (HDi) engine versions.
Checking and setting the timing.
Raise and support the vehicle, wheels hanging.
Disconnect the battery.
Uncouple:
- The fuel supply unions (1).
- The air/air heat exchanger inlet and outlet pipes (3).
- The exhaust line at the catalytic converter flexible pipe.
- Disconnect the connecteur at «a».
Remove the accessories drive belt
(see corresponding operation).
Support the engine with a roller jack equipped with a block.
Remove the four screws (5), the three screws (4)and the engine supports (3).
B1BP38TD
B1BP38UD
C4
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ENGINE
CHECKING AND SETTING THE VALVE TIMING
Engines: 9HX - 9HY - 9HZ
Tools.
[1] Flywheel setting peg: (-).0194.C
[2]Camshaft setting peg: (-).0194.B
[3]Crankshaft setting peg: (-).0194.A
IMPERATIVE: Respect the safety and cleanliness requirements specific to High pressure Diesel
injection (HDi) engine versions.
Checking and setting the timing.
Raise and support the vehicle, wheels hanging.
Disconnect the battery.
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 connecteur at «a».
Remove the accessories drive belt
(see corresponding operation).
Support the engine with a roller jack equipped with a block.
Remove the four screws (5), the three screws (4)and the engine supports (3).
B1BP38TD
B1BP38UD
C4
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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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![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 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)
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 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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