
Fig. 2–14. Fastening elements of the fuel filter of the V6 TDI diesel engine: 1 – plug of the hole for draining water, 4 N·m; 2, 3 – fuel supply hoses; 4 – spring clamp; 5 – nut; 6 – control valve
Unscrew plug 1 of the hole to remove water from the fuel filter (see Fig. 2–14).
Do not allow diesel fuel to come into contact with the cooling system hoses. Hoses that have been exposed to diesel fuel for a long time must be replaced.

Fig. 2–15. Connecting the VAG 1390 hand vacuum pump with a container equipped with a VAG 1390/1 water drain cock to the opening on the fuel filter of a V6 TDI diesel engine
Connect the hose of the VAG 1390 hand vacuum pump with a container equipped with a VAG 1390/1 water drain tap to the opening on the fuel filter (Fig. 2–15).
Using a vacuum pump, suck out about 100 cm³ of fluid from the fuel filter.
Disconnect the hand vacuum pump hose from the water drain hole on the fuel filter.
Screw the plug in fuel filter and tighten it to a torque of 4 Nm.
Start the engine and check the fuel system for leaks.
(The original material is located on the website: «AUDIMANUAL.RU»)
