2005 Citroen C4 remove

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ENGINE
274
CHECKING AND SETTING THE VALVE TIMING
Engine: RHR
Uncouple, plug and move aside, using tool [7],
the fuel delivery pipe (1)and the fuel return pipe (2).
Suspend the engine, using a workshop hoist.
Remove the bracket (3)and the RH engine
support (4).
Move aside the electrical harness (5).
Remove:
- The upper timing cover screws.
- The upper timing cover (6).
Rotate the engine by means of the auxiliaries drive
pulley.
Orient the camshaft pinion in the pegging position,
use a mirror if necessary.
Peg the camshaft, using tool [3].
Peg the engine flywheel, using tool [2].
Lock the flywheel, using tool [6].
B1BP351C
B1EP1FAC
B1EP1FBC
B1BP31EC
C4
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ENGINE
CHECKING AND SETTING THE VALVE TIMING
Engine: RHR
Remove:
- The screw (8).
- The auxiliaries drive pulley (7).
- The crankshaft position sensor (11).
- The lower timing cover (9).
- The target of the crankshaft position sensor (10), using tool [7].
- The lower torque reaction rod.
- The tool [6].
Slacken the screw (12)of the tensioner roller (17).
Remove the timing belt (13).
Checks.
IMPERATIVE: Just before refitting, carry out the checks below.
Check:
- That the rollers (14)and (17)turn freely
(without play and without
any tight spot).
- That the coolant pump pulley (16)turns freely (without play and
without any tight spot).
- That there are no traces of oil leaks from the crankshaft and
camshaftseals, etc.
- That the crankshaft pinion travels freely on the keyway (15).
Replace defective components if necessary.
B1EP1FCC
B1EP1FDC
B1EP1FEC
C4
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ENGINECHECKING AND SETTING THE VALVE TIMING
Engine: RHR
Refitting.
Centre the crankshaft pinion (15), using tool [5].
Reposition the timimg belt on the pulley (18).
Put the tool [4]in place
(tighten moderately).
Reposition the timimg belt, strip «a»well tensioned
in the following order:
- Guide roller (14).
- Crankshaft pinion (15).
- Coolant pump pinion (16).
- Tensioner roller (17).
Remove tools [4]and [5].
Bring the index «d»outside the plate at «c», by
turning the tensioner roller in the direction of the
arrow «b», using a hexagonal spanner at «e».
Tighten screw (12)of the tensioner roller (17)to
2,1 ± 0,2 m.daN.
Lock the flywheel, by means of tool [6].
Refit the auxiliaries drive pulley (7).
Tighten the screw (8)to 7 ± 0,7 m.daN.
Remove tools [6], [2]and [3].
B1EP1FFC
B1EP1FGC
B1EP1FHC
B1EP1FJC
C4
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ENGINE
CHECKING AND SETTING THE VALVE TIMING
Engine: RHR
Refitting.
Rotate the crankshaft ten times
(in the direction of rotation of the engine).
Peg the crankshaft, using tool [2] and the camshaft drive pinion, using tool [3].
Lock the flywheel, using tool [6].
Slacken the screw (8)of the auxiliaries drive pulley (7) and the screw (12)of
the tensioner roller (17).
Turn the tensioner roller
(clockwise), using a hexagonal spanner at «e».
Position the index «d»opposite the notch «f».
Tighten:
- The screw (12)of the tensioner roller (17)to 2,1 ± 0,2 m.daN.
- The auxiliaries drive pulley to 7 ± 0,7 m.daN.
Remove tools [2], [3]and [6].
Rotate the crankshaft two times
(in the direction of rotation of the engine).
Refit tools [2]and [3].
Check the position of the index «d», it should be opposite the notch «f».
B1EP1FKC
B1EP1FLC
C4
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ENGINECHECKING AND SETTING THE VALVE TIMING
Engine: RHR
Refitting.
IMPERATIVE: If the position of the index «d» is not correct, restart the operations to tension
the timing belt
(for this, slightly slacken the screw (12) of the tensioner roller).
Refit tool [6].
Remove the auxiliaries drive pulley (7).
Refit:
- The crankshaft position sensor target (10).
- The lower timing cover (9).
- The crankshaft position sensor (11).
- The lower torque reaction rod.
Take away the workshop hoist.
Coat the screw (8)with Loctite FRENETANCH.
Refit the auxiliaries drive pulley (7) and the screw (8)with its washer.
Tighten the screw (8)to 7 ± 0,7 m.daN, then angular tighten by A= 60°±5°.
Remove tools [2], [3] and [6].
Complete the refitting.
B1EP1FKC
B1EP1FLC
C4
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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 boost pressure: 4073-T.A
[2] Sleeve for checking boost pressure: (-).0171.F
Checks.
IMPERATIVE: Respect the following test conditions:
- Engine at operating temperature.
- Vehicle in running order.
- Engine under full load.
Preparation.
Remove the clips (1).
Fit the tool [2]in the place of the duct (2).
Couple the sleeve [2] on the pressure gauge[1]using the tube «a».
Mode of operation.
Position tool [1]in the vehicle.
Start the engine.
Engagefirst gear, start the vehicle.
Engage the gears up to third gear.
Decelerate to an engine speed of 1000 rpm.
Check the pressure: 0,6 ± 0,05bar
(1500 rpm).
Accelerate freely (change from fourth gear to third gear).Check the pressure: 0,9 ± 0,05bar (between 2500and 3500rpm).
Remove tools [1], [2] and «a».
Reposition the tube (2)and tighten the clips(1).
B1BP2NXD
C5FP06RC
Engines: 8HX - 8HZ
XSARA
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