Manual sections
Wiring diagrams- Battery
- Bench seat
- Body
- Bodywork
- Braking
- Comfort and convenience
- Confort
- Current generation
- Dashboard
- Driver information
- Driving assistance
- Electrical harnesses
- Engine
- Front anti -roll bar
- Front axle
- Front door trim
- Front doors
- Front seats
- Front section
- Front springs
- Gearbox assembly
- General points
- General points about the vehicle
- Instrument panel
- Instruments and controls
- Lighting - signalling
- Mechanical
- Other
- Power unit
- Pre-heating
- Protections and doors
- Re-assembling
- Rear axle
- Rear doors
- Rear parcel tray
- Rear seats
- Rear section
- Rear springs
- Roof panel
- Side structure
- Starting
- Steering
- Suspension
- Towbar
- Transmission
- Washing and wiping
Repair manual
Engine Citroen C6 I
Step-by-step instructions on "Engine" for Citroen C6 I (2004–2012). Pick an article — removal, installation, adjustment and diagnostics with illustrations.
Crankshaft
- Data: conrods andhalf shells (ES9A)
- Data: crankshaft and bearing half-shells (ES9A)
- Data: pistons - little ends - piston rings (ES9A)
- Identification - data: crankshaft and bearing half-shells (DW12BTED4)
- Identification - data: pistons - little ends - piston rings (DW12BTED4)
- Data: connecting rods and connecting rod bearing half-shells (DW12BTED4)
- Dismantling - refitting: conrods - pistons (ES9A)
- Matching: main shell bearings (ES9A)
- Removing - refitting: engine ring seals (DT17TED4)
- Removing-refitting: ancillary drive belt (DT20C)
- Removing - refitting: engine ring seals (DT20C)
- Removing - refitting: engine ring seals (DW12BTED4, DW12C)
- Removing - refitting: ancillary drive belt (DT17TED4)
- Removing - refitting: ancillary drive belt (DW12BTED4)
- Matching: bearing shells
- Aid to mechanical diagnosis: double damped engine flywheel
Timing gear
- Data: camshaft (ES9A)
- Data: camshaft (DW12BTED4)
- Data: camshaft (DT17TED4)
- Removing-refitting: camshaft (DT20C)
- Removing - refitting: camshaft seals (DT17TED4)
- Removing - refitting: camshafts (ES9A)
- Removing - refitting: camshafts (DT17TED4)
- Removing - refitting: camshaft oil seal (DW12BTED4)
- Removing - refitting: camshafts (DW12BTED4)
- Check: setting the valve timing (DT20C)
- Check: setting the valve timing (DT17TED4)
- Check: setting the valve timing (ES9A)
- Check: setting the valve timing (DW12BTED4)
- Removing-refitting: timing belt (DT20C)
- Removing - refitting: timing belt (DT17TED4)
- Removing - refitting: timing belt (ES9A)
- Removing - refitting: timing belt (DW12BTED4)
- Modification: removal of the crankshaft pulley bolt (DW12BTED4, DW12TED4, DW12C)
Lubrication
- Check: oil pressure (DT20C)
- Check: oil pressure (ES9A)
- Check: oil pressure (DT17TED4)
- Check: oil pressure (DW12BTED4)
- Removing - refitting: oil pump (DT17TED4)
- Removing - refitting: oil pressure switch (DT17TED4)
- Removing - refitting: engine oil temperature and level sensor (DT17TED4)
- Removing-refitting: oil pressure sensor (DT20C)
- Removing-refitting: engine oil temperature and level sensor (DT20C)
- Removing-refitting: oil pump (DT20C)
- Maintenance: recommended ingredients, year 2006
Exhaust
- Removing - refitting: turbocharger (front bank of cylinders) (DT17TED4)
- Removing - refitting: turbocharger (rear bank of cylinders) (DT17TED4)
- Tightening torques: exhaust system (engine DT20C) (DT20C)
- Identification - data: exhaust system (engine DT20C) (DT20C)
- General specifications: exhaust system (engine DT17TED4) (DT17TED4)
- Tightening torques: exhaust system (engine DT17TED4) (DT17TED4)
- General specifications: exhaust system (ES9A)
- General specifications: exhaust system (DW12BTED4 engine) (DW12BTED4)
- Removing-refitting: exhaust system (DT20C)
- Removing-refitting: pre-catalysts (DT20C)
- Removing - refitting: exhaust manifolds (DT20C)
- Removing - refitting: exhaust system (DT17TED4)
- Removing - refitting: front pre-catalyst (DT17TED4)
- Removing - refitting: rear pre-catalyst (DT17TED4)
- Removing - refitting: front and rear exhaust manifolds (ES9A)
- Removing - refitting: rear pre-catalyst (ES9A)
- Removing - refitting: front pre-catalyst (ES9A)
- Removing - refitting: exhaust system (DW12BTED4)
- Removing - refitting: pre-catalyst (DW12BTED4)
- Removing - refitting: exhaust manifold (DW12BTED4)
- Removing - refitting: exhaust gas pressure sensor pressure take-off (DT20C)
- Removing - refitting: particle filter (DT17TED4)
- Removing - refitting: exhaust gas pressure sensor pressure take-off (DT17TED4)
- Forced regeneration: particle filter
- Forced regeneration: particle filter (technical note)
Cylinder head
- Data: valve seats and guides (ES9A)
- Data: valves and valve springs (ES9A)
- Data: cylinder head (ES9A)
- Data: cylinder head gasket (ES9A)
- Data: cylinder head bolts (ES9A)
- Identification - data: cylinder head bolts - cylinder head tightening (DW12BTED4)
- Identification - data: cylinder head (DW12BTED4)
- Identification - data: cylinder head gasket (DW12BTED4)
- Data: valves and valve springs (DW12BTED4)
- Identification - data: valve guides and seats (DW12BTED4)
- Data: valves and valve springs (DT17TED4)
- Identification - data: cylinder head bolts - cylinder head tightening (DT17TED4)
- Identification - data: cylinder head gasket (DT17TED4)
- Identification - data: cylinder head (DT17TED4)
- Data: engine top DT20C (DT20C)
- Stripping-assembling: cylinder head (ES9J4S and ES9A engine) (ES9A)
- Stripping-assembling: cylinder head (DW12BTED4)
- Stripping - re-assembling: cylinder head (DT17TED4)
- Removing-refitting: Cylinder head (DT20C)
- Removing - refitting: front cylinder head (on vehicle) (DT17TED4)
- Removing - refitting: rear cylinder head (DT17TED4)
- Removing - refitting: rear cylinder head (on vehicle) (ES9A)
- Removing - refitting: front cylinder head (on vehicle) (ES9A)
- Removing - refitting: cylinder head (on vehicle) (DW12BTED4)
- Removing - refitting: cylinder head (on the vehicle) (DW12BTED4)
- Removing - refitting: integral intake system (DT17TED4)
Engine block
Cooling system
- Identification - data: engine cooling system: type DW12B AM6 (DW12BTED4)
- General specifications: cooling system (ES9A)
- General specifications: engine cooling system (DT17TED4)
- General specifications: cooling system (engine dw12bted4) (DW12BTED4)
- Removing - refitting: coolant temperature sensor (DT17TED4)
- Removing - refitting: additional heating unit
- Removing - refitting: fuel pump (additional heating)
- Removing - refitting: components of the additional heating
- Removing-refitting: coolant outlet housing (DT20C)
- Removing-refitting: coolant temperature sensor (DT20C)
- Removing-refitting: fans (DT20C)
- Removing - refitting: engine cooling radiator (DT20C)
- Removing - refitting: coolant pump (DT20C)
- Removing - refitting: thermostat
- Removing - refitting: engine cooling radiator (DT17TED4)
- Removing - refitting: coolant outlet housing (DT17TED4)
- Removing - refitting: cooling system temperature sensor (DT17TED4)
- Removing - refitting: coolant pump (ES9A)
- Removing - refitting: thermostat — variant 2
- Removing: additional heating unit (DT17TED4)
- Removing - refitting: coolant outlet housing temperature sensor (DW12BTED4)
- Removing - refitting: coolant outlet housing (DW12BTED4)
- Removing - refitting: engine cooling radiator (DW12BTED4)
- Bleeding: additional heater unit power supply
- Drain and refill - refilling - bleeding: cooling system
- Table: fault codes - additional heating ECU
Air and fuel supply
- Check: Vacuum circuit (DT20C)
- Check: air supply circuit (DT17TED4)
- Removing - refitting: inlet air pressure sensor (DT17TED4)
- Removing-refitting: inlet air pressure sensor (DT20C)
- Removing - refitting: fuel filter (DT20C)
- Removing - refitting: fuel pump and gauge assembly (DT20C)
- Removing - refitting: air inlet manifold
- Removing - refitting: fuel filter (DT17TED4)
- Removing - refitting: fuel tank (DT17TED4, DW12BTED4)
- Removing - refitting: fuel pump and gauge assembly (DW12BTED4, DT17TED4)
- Removing - refitting: air inlet manifold — variant 2
- Removing - refitting: fuel tank (ES9A)
- Removing - refitting: fuel pump and gauge assembly (ES9A)
- Removing - refitting: fuel filter (DW12BTED4)
- Removing - refitting: air inlet manifold — variant 3
- Check: additive level (DT20C)
- Check: fuel additive circuit
- Check: fuel additive level (DT17TED4)
- Removing - refitting: fuel additive tank (DT20C)
- Removing - refitting: fuel additive tank (DT17TED4)
- Refilling: fuel additive tank (DT20C)
- Refilling: additive tank (DT17TED4)
- Modification: particle filter additive
Emission control
- Removing - refitting: electrically-controlled exhaust gas recycling valve - exhaust gas recycling electrovalve or exchanger (DT17TED4)
- Removing - refitting: oxygen sensor (DT20C)
- Removing-refitting: exhaust gas recycling valve (DT20C)
- Checking: exhaust gas recirculation circuit (DT20C)
- Removing - refitting: exhaust gas temperature sensors (DT20C)
- Removing - refitting: exhaust gas temperature sensor (DT17TED4)
- Removing - refitting: EGR valves - EGR heat exchangers (DT17TED4)
- Removing - refitting: the coolant/exhaust gas heat exchanger and EGR electrovalve assembly (DW12BTED4)
- Removing - refitting: the coolant/exhaust gas heat exchanger and EGR electrovalve assembly (DW12BTED4) — variant 2
- Modification: oxygen sensor
Turbocharging
- Check: turbocharger pressure (DT20C)
- Check: turbocharger pressure (DT17TED4)
- Check: turbocharger pressure (DW12BTED4)
- Removing - refitting: turbocharger wastegate valve (DT17TED4)
- Removing - refitting: turbo pressure regulator pneumatic control (DW12BTED4)
- Removing-refitting: turbocharger air cooler (DT20C)
- Removing-refitting: turbochargers (DT20C)
- Removing - refitting: turbocharger air cooler (DT17TED4)
- Removing - refitting: turbocharger air cooler (DW12BTED4)
- Removing - refitting: bi-turbocharger (DW12BTED4)