Removing fuel delivery line

NOTE: RISK OF DAMAGE
Careless handling of tools and sharp-edged components.
Scratches, surface damage.

Protect working area.
Handle tools and components carefully.

NOTE: TECHNICAL INFORMATION
When the engine is stopped after the completion of trip, it may be necessary to run the electric fan. In rare cases, operation of the electric fan can take up to 11 minutes. This protects the components. In this case, replacing the electric fan is not necessary.

Preliminary work

Refer to REMOVING THE TOP RIGHT AND LEFT COVER IN THE ENGINE COMPARTMENT .
Refer to REMOVING UPPER CROSS CONNECTION .
Refer to REMOVING THE TENSION STRUT AT THE SHOCK TOWER ON THE LEFT AND RIGHT .
Refer to REMOVING THE ACOUSTIC COVER .
Refer to REMOVING BOTH INTAKE FILTER HOUSINGS .
Refer to REMOVING THE RIGHT INTAKE SILENCER BRACKET .
Refer to REMOVING THE LEFT INTAKE SILENCER BRACKET .
Refer to REMOVING THE UNFILTERED-AIR DUCT ON THE RIGHT AND LEFT .
Refer to REMOVING THE REAR TOP CROSS CONNECTION .
Refer to REMOVING THE FAN COWL .
Refer to REMOVING THE FRONT UNDERBODY PROTECTION .
Refer to DRAINING THE COOLANT FOR THE LOW-TEMPERATURE COOLANT CIRCUIT .
Refer to RELEASING LEFT CHARGE AIR LINE PARTIALLY .
Refer to PARTIALLY RELEASING THE RIGHT CHARGE AIR LINE .
Refer to REMOVING RIGHT CLEAN AIR PIPE .
Refer to REMOVING LEFT CLEAN AIR PIPE .
Refer to REMOVING THE COOLANT EXPANSION TANK FOR THE LOW-TEMPERATURE COOLANT CIRCUIT .
Refer to REMOVING THE IGNITION COIL ON CYLINDER 5 .
Refer to REMOVING THE IGNITION COIL ON CYLINDER 1 .
Refer to REMOVING DRIVE BELT .
Refer to REMOVING LEFT CHARGE AIR COOLER .
Refer to REMOVING RIGHT CHARGE AIR COOLER .

WARNING: Working on 12 V electrical system.
Risk of short circuits! Risk of fire!

Make sure that there is no charger connected to the jump start terminal in the engine compartment.
Detach battery ground lead from battery.
For auxiliary batteries: Detach battery minus cables from all auxiliary batteries.

WARNING: Working on fuel system.
Risk of fire! Danger of explosion!

When working on the fuel system, make sure the workstation has sufficient ventilation, e.g., by means of extraction.
Tightly seal off open lines and connections; collect any leakage fuel directly at the point of exit.
No fire, sparks, open flames or smoking.

CAUTION: On releasing high pressure line, fuel may emerge at high speed.
Injury hazard!

Wear suitable personal protective equipment.
Before performing any installation work, allow cooling system to cool down to less than 40°C.
Note warnings on cylinder head cover.

NOTE: RISK OF DAMAGE
Contaminant or foreign body.
Contamination can result in malfunctions, loss of function or leaks.

Adhere to the utmost cleanliness.
Protect components from contamination e.g. by covering.
Close off line connections with seal plugs.

NOTE: RISK OF DAMAGE
Damage to the ignition coil.
The silicone hose of the ignition coil must not be contaminated by fuel as this can lead to failure of the ignition coil.

When working on the fuel system, cover the ignition coils with suitable materials and remove where required.
Do not oil or grease the silicone tube of the spark plug socket. Do not use any protection or maintenance products (e.g. silicone spray, rubber care products, rust remover, etc.).

NOTE: TECHNICAL INFORMATION
Collect and dispose of emerging fluids. Observe country-specific waste disposal regulations.

Remove the circlip.
Unlock the fuel line (2) and pull it off the fuel supply line (1).
Catch and dispose of leakage fuel.

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Close the fuel line (1) with the special tool 0 496 565 (13 5 160 ) (2) .
Close the fuel delivery line (4) with the special tool 0 496 565 (13 5 160 ) (3).

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Unlock and detach the connectors (1) from the exhaust turbochargers.
Loosen screws (2).
Unlock and disconnect plug connection (3) of the exhaust camshaft sensor.
Partially release cable duct

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Detach the cover (1) on the alternator and loosen the nut below it.
Unlock and detach the connector (2) from the alternator.
Loosen clamp (3).
Put the positive battery cable (4) to one side.

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Carefully guide out and remove the alternator (1).

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Loosen the nut (1) on the left of the high pressure pump.
Loosen screw (2).

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Unscrew the screws (1) at the front of the cylinder head on the left and right.

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Unscrew the nut (1) on the right side of the high pressure pump.
Loosen screw (2).
Feed out and remove fuel supply line (2).

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