2005 CITROEN C6 engine coolant

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ENGINE
CHECKING AND SETTING THE VALVE TIMING
Engine: DT17BTED4
Remove:
- The air duct between the air/air exchanger and the air inlet housing (6).
- The air inlet housing (6).
Uncouple, plug and move aside the pipes (2)and (3)using tool [1].
Detach and move aside the electrical harness.
Remove:
- The header tank fixing (1).
- The "Swirl"electrovalve fixings (7).
Move aside:
- The "Swirl"electrovalve (7)with its support.
- The header tank (1).
Position the lifting bracket [6]at "a".
Support the engine by means of a workshop hoist.
Remove:
- The upper RH engine support tie bar, and the upper RH engine support (5).
- The engine support (4)on the chassis member.
- The accessories drive belt (8)(see corresponding operation).
- The engine support (12), the crankshaft pulley (9), the upper timing covers (11).
- The lower timing cover (10).
Line up one of the three holes "b"on the pulley with the hole on the body of the coolant pump.
Immobilise the coolant pump pulley, using tool [6].
Remove the coolant pump pulley (13).
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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
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.
B1EP1JHDB1EP1JJC
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ENGINE
73
COOLING SYSTEM SPECIFICATIONS
Engine type
Capacity
Radiator surface
Pressurisation
Opening of thermostatic regulator
Cooling fan
1st speed
2nd speed
3rd speed
Air con cut-off
Alert
Post cooling
Marking
Information
Sensor
Colour of connector
Tightening (m.daN)
Engines: ES9A - DTE17BTED4
3.0i 24S 2,7 24V
XFV UHZ
11,3 13,2
27 dm
2
1,4 bar
78°C 83°C
1 x 600 W 2 x 150W
FRIC function 97°C or aircon in operation
105°C 101°C or 17 bars in the aircon circuit
105° or 30 bars in the aircon circuit
115°C or 30 bars in the aircon circuit
118°C
6 minutes
11 6
Level of coolant Temperature of coolant Temperature, diesel injection, alert, aircon
Resistance Thermostat Thermostat
Black Blue Grey
1,7 ± 0,4
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ENGINE
COOLING SYSTEM SPECIFICATIONS
Engine: ES9A
(1)Heater matrix
(2)Bleed screw
(3)Coolant outlet housing
(4)Coolant inlet housing
(5)Thermostat
(6)Coolant temperature sensor
(7) Coolant/oil heat exchanger (engine)
(8)Cooling radiator drain plug
(9)Coolant/oil heat exchanger (automatic gearbox)
(10)Engine cooling radiator
(11)Coolant level sensor
(12)Header tank
(13) Venting chamber
B1GP0CXP
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ENGINE
COOLING SYSTEM SPECIFICATIONS
Engine: DT17BTED4
(1)Header tank
(2)Coolant outlet housing
(3)Coolant/oil heat exchanger
(4)Coolant/EGR heat exchanger (rear cylinder bank)
(5)Bleed screw
(6)Heater matrix
(7)Additional heating unit
(8)Engine cooling radiator
(9)Engine cooling radiator drain tap
(10)Coolant/EGR heat exchanger (front cylinder bank)
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ENGINE
DRAINING, FILLING AND BLEEDING THE ENGINE COOLING CIRCUIT
Tools.
[1]Filling cylinder: 4520-T
[2]Adaptor for filling cylinder: 4222-T
[3]Control rod for filling cylinder: 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 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.
B1GP0BPC
Engine: ES9A
B1BP2BNC
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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.
B1GP08TC
Engine: ES9A
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