Gear oil in front final drive, filling up after servicing

WARNING: This page is about a different car, the 2005 Audi A4, 2004 Audi A4, 2003 Audi A4, and 2002 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.

Special tools, testers and auxiliary items required

Fig 1: Identifying Drip Tray V.A.G 1306

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Drip tray VAG1306

Fig 2: 3247 Socket AF 8

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Plug insert 3247 (8mm)

Procedure

Drive vehicle onto a 4-column lift or over a work pit.

NOTE:

The vehicle must be on a level surface.

Place drip tray VAG1306 underneath.

Fig 3: Locating Sealing Plug

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Remove locking screw (arrow).

NOTE:

Loosen locking bolt using an angled socket-head wrench, but do not use hex ball socket 3247. For improved accessibility it may be necessary to remove the heat shield and drive axle and to set them aside.
If hex ball socket 3247 is used for loosening the bolt, it could be destroyed.

Slowly and uniformly fill front final drive over a time period of at least 5 minutes until gear oil escapes at lower edge of oil filler hole.

Specification → Capacity

NOTE:

Filling time of at least 5 minutes is essential, so that the internal oil level compensation between differential and retaining area can occur.

Fig 4: Locating Sealing Plug

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Screw in old locking screw (arrow).
Perform a short test drive to warm gear oil to approx. 60 ° C.
Check front final drive oil level → Gear oil in front final drive, checking .

NOTE:

Replace locking screw with seal.

When the oil level is correct, tighten locking bolt using hex ball socket 3247 (8 mm socket) to 30 Nm.