2005 CITROEN C6 check engine

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ENGINE
CHECKING AND SETTING THE VALVE TIMING
Engine: DT17BTED4
Peg the camshafts, using tools [3]at "h"and "g".
Slacken:
- The 3 screws (15)of the camshaft pulley (23).
- The 3 screws (17)of the camshaft pulley (18).
- The screw (21)of the tensioner roller (20).
Remove the timing belt (22).
Checks.
IMPERATIVE: Just before refitting, carry out the checks below.
Check that the rollers (16), (20)and (19)and the coolant pump (14)can turn freely (without play
and without any tight spot).
Check that there are no signs of oil leaks (from the crankshaft and camshaft seals).
Check that there are no signs of coolant leaks (from the coolant pump).
Replace components that are faulty (if necessary).
Refitting.
Reposition the timimg belt on the crankshaft pinion (24).
Hold the timing belt (22)in position, using tool [4].
Tighten the screws (15)and (17)by hand.
Turn the camshaft pulleys (23)and (18)clockwise, to place them at the end of slots.
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ENGINE
CHECKING AND SETTING THE VALVE TIMING
Engine: DT17BTED4
Reposition the timimg belt, strip «j»well tensioned, in the following order:
- Guide roller (19).
- Camshaft pulley (18).
- Guide roller (16).
- Camshaft pulley (23).
- Tensioner roller (20).
NOTE:If necessary, turn the pulleys (23)and (18)slightly anti-clockwise (the offset must not be
more than one tooth).
Remove the tool [4].
Using a hexagonal spanner, rotate the tensioner roller (20)anti-clockwise.
Position the index "l"facing the notch "k".
Tighten the screw (21) : 2,5 ± 0,2.
Remove the screws (15)and (17)from the pulleys (23)and (18)in order to check that the screws
(15)and (17)are not at the end of slots.
IMPERATIVE: If the screws (15) and (17) are at the end of slots, restart the operations to refit
the timing belt.
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ENGINE
CHECKING AND SETTING THE VALVE TIMING
Engine: DT17BTED4
Tighten the screws (15)and (17) : 2,2 ± 0,2.
Remove tools [2]and [3].
Rotate the crankshaft 8 times
in the normal direction of rotation.
Fit the tool [2].
Peg the camshafts using tools [3], at "h"and "g".
NOTE:If it is not possible to refit the tools [3], slacken the screws (15)and/or (17)of the camshafts
and drive the camshafts by means of their central screws (25)and/or (26).
Peg the camshafts using tools [3], at "h"and "g".
Tighten the screws (15)and (17) : 2,2 ± 0,2.
Remove tools [2]and [3].
Rotate the crankshaft 8 timesin the normal direction of rotation.
Fit the tool [2].
Fit the tools [3], at "h"and "g".
Check that the index "l"of the tensioner roller (20)is facing the notch "k".
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ENGINE
CHECKING AND SETTING THE VALVE TIMING
Engine: DT17BTED4
Remove tools [2]and [3].
Refit: The lower timing cover (10), the upper timing covers (11), the crankshaft pulley (9), the engine
support (12), the coolant pump pulley (13), the accessories drive belt (8)(see corresponding operation),
the engine support (4)on the chassis member, the upper RH engine support (5) and the upper RH
engine support tie bar.
Take away the workshop hoist.
Remove the tool [6].
Refit the "Swirl"electrovalve (7)with its support, the header tank (1), the electrical harness.
Remove the tool [1].
Reposition and couple the pipes (3)and (2).
Complete the refitting.
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ENGINE
CHECKING THE OIL PRESSURE
Engine ES9A DT17BTED4
Temperature (°C) 80°C
Pressure (bars) 2
Rpm 900
Pressure (bars) 5 1 to 4
Rpm 3000 2500
Pressure (bars)
Rpm
2279-T.BisX
4103-TX
(-).1503.KX
4202-T X
NOTE: Oil pressure should be checked with the engine cold, after checking the oil level.
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ENGINE
DRAINING, FILLING AND BLEEDING THE ENGINE COOLING CIRCUIT
Open the plug (3)to drain the second bank of cylinders.
Remove the drain plugs (2)and (3).
Filling and bleeding the circuit.
Prior to any filling, rinse the cooling with fresh water.
WARNING: Check the sealing of the cooling circuit.
Open the bleed screws of the following components:
- Heater matrix outlet.
- Coolant outlet housing.
- Radiator.
Close the drain screw (1)of the radiator.
Refit the plugs (2)and (3)with a new seal ; tighten to3 ± 0,3 m.daN.
Fit the filling cylinder assembly [1], [3], and [2]on the filler aperture.
Fill the cooling circuit.
NOTE:Keep the filling cylinder full to the maximum.
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Engine: ES9A
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ENGINE
DRAINING, FILLING AND BLEEDING THE ENGINE COOLING CIRCUIT
Reclose the bleed screw when the fluid flows out clear and without air bubbles.
Start the engine.
Maintain an engine speed of 1500/2500 rpm, up to the first cooling cycle (starting and stopping of
the cooling fan).
Block the filling cylinder [1]using the control rod [3].
Remove the filling cylinder assembly [1], [3]and [2].
Refit the header tank cap.
Stop the engine and wait for it to cool down.
Checks.
Start the engine.
Maintain an engine speed of 1500/2500 rpm, up to the first cooling cycle (starting and stopping of
the cooling fan).
Stop the engine and wait for it to cool down.
Remove the header tank cap with caution.
If necessary, top up the level to the maximum mark.
Refit the header tank cap.
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Engine: ES9A
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ENGINE
DRAINING, FILLING AND BLEEDING THE ENGINE COOLING CIRCUIT
Filling and bleeding.
Open the bleed screw (2)on the heater matrix hose.
Open the bleed screw (3)of the engine cooling radiator.
Refit the drain screw (1)with a new seal.
Tighten the screw (1) : 3 ± 0,1.
Fit the filling cylinder [1], control rod [3]and adaptor [2]assembly on the filler
aperture.
Fill the engine cooling circuit.
NOTE:Keep the filling cylinder full to the maximum.
Start the engine.
Close each bleed screw as soon as the liquid starts to flow out without air
bubbles.
Block the filling cylinder [1], using the control rod [3].
Remove the filling cylinder [1], control rod [3]and adaptor [2] assembly.
Refit the header tank cap.
Stop the engine.
Checks.
Start the engine.
Maintain an engine speed of 1600 rpm, up to the second cooling cycle (starting
and stopping of the cooling fan).
Stop the engine and wait for it to cool down.
Remove the header tank cap.
If necessary, top up the level of the header tank to the maximum mark.
Refit the header tank cap.
Engine: DT17BTED4
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