Pressure Citroen C2 2004 1.G User Guide

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ENGINE
SPECIAL FEATURES TIGHTENING TORQUES (m.daN )
Engines8HX 8HW 8HZ
Diesel injection circuit
Sphericalbase screws for diesel injection fixing fork 0,3 ± 0,1Fuel high pressure common injection rail on engine block 2 ± 0,2
Unions on fuel high pressure common injection rail
Pretightening1,7± 0,2
Tightening2,25 ± 0,2
Diesel injection pump on support
Union on diesel injection 2,25 ± 0,2
Diesel injection pump pulley 5 ± 0,5
Union on diesel high pressure pump2,25 ±0,2
Cooling circuit
Coolant pump
Pretightening0,3 ± 0,06
Tightening1 ± 0,1
Coolant outlet housing
Pretightening0,3 ± 0,06
Tightening0,7 ±0,08
C3 C3 PLURIEL XSARA

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ENGINE
SPECIAL FEATURES TIGHTENING TORQUES (m.daN )
Engines8HV 8HY
Crankshaft
Bearing cap fixing screw
Tightening3 ± 0,3
Angular tightening140° ± 1°,4’
Crankshaft pullet hub
Angular tightening180°±5°
Cylinder block
Oil sump1 ±0,1
Timing belt tensioner roller 4 ± 0,4
Timing belt guide roller
2,5 ±0,2
Timing belt guide roller support
Cylinder head
Camshaft bearing cap cover
1 ±0,1
Inlet manifold
Exhaust manifold2,5 ± 0,2
Cylinder head cover Screws (M6) to 1 ± 0,2
Camshaft pinion4,3 ± 0,4
Fuel high pressure pump pinion 5 ± 0,5
C3

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ENGINESPECIAL FEATURES TIGHTENING TORQUES (m.daN )
Engines8HV 8HY
Flywheel Clutch
Flywheel 1,7 ± 0,2
Clutch mechanism 2 ± 0,2
Lubrication circuit
Oil pump assembly0,9 ± 0,1
Oil/coolant heat exchanger 1 ± 0,1
Turbocharger lubrication pipe2,2 ± 0,2
Injection circuit
Injector fixing flange nut
Tightening0,4 ±0,1
Angular tightening65° ± 5°
Fuel high pressure pump
Union on diesel injector
Fuel high pressure pump pinion 5 ± 0,5
Union on fuel high pressure pump2,3 ± 0,2
Cooling circuit
Coolant pump1 ± 0,2±
C3

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ENGINESPECIAL FEATURES TIGHTENING TORQUES (m.daN )
Engines9HZ 9HY
Lubrication circuit
Oil pump assembly
Pretightening0,5 ± 0,1
Tightening0,9 ± 0,1
Oil/coolant heat exchanger 1 ± 0,2
Turbocharger lubrication pipe3 ± 0,5
Diesel injection circuit
Injector fixing flange nut
Pretightening4 ± 0,1
Angular tightening65° ± 5°
Fuel high pressure common injection rail on engine block 2,2 ± 0,2Union on fuel high pressure common injection rail
Pretightening1,7 ±0,2
Tightening2,2 ±0,2
Diesel injection pump on support2,2 ± 0,2
Union on diesel injector
Pretightening2 ± 0,5
Tightening2,5 ±0,3
XSARA PICASSO

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XSARA PICASSO
ENGINE
SPECIAL FEATURES TIGHTENING TORQUES (m.daN )
Engines9HZ 9HY
Diesel injection circuit
Diesel injection pump pulley5 ± 0,5
Union on fuel high pressure pump
Pretightening2 ± 0,5
Tightening2,5 ± 0,3
Cooling circuit
Coolant pump
Pretightening0,3 ± 0,1
Tightening0,9 ±0,1
Coolant outlet housing
Pretightening0,3 ± 0,1
Tightening0,7 ±0,1

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ENGINE
XSARA
AUXILIARY EQUIPMENT DRIVE BELT 2002
Tools.
[1]
Dynamic tensioner compression lever: ().0188.Z
[2]Peg for dynamic tensioner roller: ().0194.F
Removing.
IMPERATIVE: Respect the safety and cleanliness requirements specific to high pressure
diesel injection engines (HDi).
Remove:
The front RH wheel.
The underengine sounddeadening.
The splashshield.
WARNING: Mark the direction of fitting of the accessories drive belt, if it is to be reused.
Compress the tensioner roller (1)by acting at «a»(clockwise), using tool [1].
Peg at «b», using tool [2].
Keeping the tensioner roller (1)compressed, remove the accessories drive belt.
IMPERATIVE: Check that the rollers (1) and (2) can turn freely (without play and without
tight spots).B1BP2VZD
Engine: 8HZ

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ENGINECHECKING AND SETTING THE VALVE TIMING
Engines: 6FZ RFN 2003 #
Refitting (continued).
Remove the tools [1]and [2].
Rotate the crankshaft ten times (normal direction of rotation).
IMPERATIVE: No pressure or outside force should be brought to bear on the timing belt.
Peg the inlet camshaft pulley, using tool [1].
Checks.
Tension of the timing belt.
ESSENTIAL:Check the position of the index «a», which should be opposite the slot «g».
If the position of the index «a» is not correct,repeat the operations to tension the timing belt.
Refit the upper timing cover (1).
Clip the fuel delivery hose on the timing cover.
Refit the accessories drive belt
(see corresponding operation).
Lower the vehicle.
Reconnect the battery
(see corresponding operation).
B1EP1BEC
B1EP1BFC
XSARA XSARA PICASSO

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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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187
CHECKING AND SETTING THE VALVE TIMING
Engines: 8HX 8HW 8HZ
Setting the timing (contin
ued).
Remove the tool [3].
Rotate the engine by means of the crankshaft pinion screw
(2)(clock
wise), to bring it to the pegging position.
Peg the camshaft pulley, using tool
[4].
Peg:
The crankshaft pinion
(6), using tool [5].
The high pressure pump pinion, using tool [5].
Support the engine with the aid of a roller jack equipped with a chock.
Remove:
The RH engine support
(7).
The intermediate engine support (right hand side)(8).
B1JP03SCB1EP18DCB1EP195CB1BP2LYC
C2 C3 C3 PLURIEL XSARA