Get Engine -> Draining, Filling and Bleeding the Engine Cooling Circuit Guide for Citroen C6 4 Door First Generation (2005-2012)

DRAINING, FILLING AND BLEEDING THE ENGINE COOLING CIRCUIT

Engine: ES9A

Tools.

[1] Filling cylinder

[2] Adaptor for filling cylinder

[3] Control rod for filling cylinder

: 4520-T

: 4222-T

: 4370-T

IMPERATIVE: Respect the safety and cleanliness requirements.

The draining and refilling operations can be carried out using coolant fluid replacement equipment.

It is essential to follow the instructions as stated for that equipment.

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Draining.

Remove the header tank cap with caution (engine cold).

Open the bleed screw of the radiator.

Slacken the drain screw (1) of the radiator

Open the plug (2) to drain the first bank of cylinders.

NOTE: The plug (2) is provided with a drain tube.

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78

DRAINING, FILLING AND BLEEDING THE ENGINE COOLING CIRCUIT

Engine: ES9A

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.

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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 to

Fit the filling cylinder assembly [1], [3], and [2] on the filler aperture.

Fill the cooling circuit.

3

0,3 m.daN.

NOTE: Keep the filling cylinder full to the maximum.

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79

DRAINING, FILLING AND BLEEDING THE ENGINE COOLING CIRCUIT

Engine: ES9A

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.

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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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80

DRAINING, FILLING AND BLEEDING THE ENGINE COOLING CIRCUIT

Engine: DT17BTED4

Tools.

[1] Filling cylinder

[2] Adaptor for filling cylinder

[3] Control rod for filling cylinder

: 4520-T

: 4222-T

: 4370-T

IMPERATIVE: Respect the safety and cleanliness requirements.

The draining and refilling operations can be carried out using coolant fluid replacement equipment.

It is essential to follow the instructions as stated for that equipment.

Draining.

Remove the header tank cap.

Open the bleed screw of the engine cooling radiator, located under the radiator on the LH side.

Remove the drain screw (1).

Drain the cylinder block.

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DRAINING, FILLING AND BLEEDING THE ENGINE COOLING CIRCUIT

Engine: DT17BTED4

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.

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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.

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82

Engine -> Draining, Filling and Bleeding the Engine Cooling Circuit for Your Citroen C6 4 Door First Generation (2005-2012)

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