Gear Oil In Rear Final Drive 0BF, Filling

WARNING: This page does not describe the selected car, but rather 19 other vehicles, including the 2017 Audi S5, 2016 Audi S5, 2015 Audi S5, 2015 Audi RS 5, and 2014 Audi S5. However, it is still accessible from the selected car via links, so may be relevant.

Special Tools and workshop equipment required

Charging Device F/Haldex 2 Coup. VAS 6291 or Charging Device for Haldex Coupling 2 VAS 6291A
Adapter for Oil Filling VAS 6291/2 VAS 6291/2 or Adapter for Oil Filling VAS 6291/3 VAS 6291/3
Catch Tray

The rear final drive must be in its installed position.
The vehicle must horizontal.
Overview of the gear oil plugs, refer to Figure.
Install and tighten the gear oil drain plug. Tightening specification, refer to item 16.

-- Fill using the VAS 6291.

-- Raise the vehicle.

-- Remove the gear oil inspection plug -arrow-.

Fig 1: Gear Oil Inspection Plug

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-- Disconnect the adapter -A- from the elbow -B-.

Fig 2: Identifying Elbow Adapter

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-- Install the adapter -A- all the way in.

CAUTION:

Scrape the rib on the housing -arrow- with a scraper if the adapter -A- does not fit into the threaded hole for the plug.

Be careful not to install the adapter -A- at an angle because this can damage the thread on the plug.

-- Lock the elbow -B- to the adapter -A-.

-- Route the hose over the right drive axle.

The hose must not hang down. It must come out above the right rear wheel.

-- Lower the vehicle.

-- Make sure the valve -arrow- is closed.

Fig 3: Identifying Oil Container On Charging Device F/Haldex 2 Coup. VAS 6291

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-- Attach the oil container -A- to the VAS 6291.

-- Open the valve -arrow- and hold the oil container as illustrated.

The rear final drive will now be filled.

When the rear final drive is correctly filled, oil will leak out between the adapter -A- and the final drive housing -arrow-.

Fig 4: Identifying Elbow Adapter
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-- Raise the vehicle.

-- If no oil leaks out of the adapter -A-, set down the oil container.

Some of the excess oil will not run back into the oil container.

-- Disconnect the VAS 6291 when the oil stops flowing back.

The fluid level is correct when the rear final drive is filled up to the lower edge of the fluid fill hole.

-- Fill the gear oil if necessary.

-- Install and tighten the new gear oil inspection plug -arrow-. Tightening specification, refer to item 22.

Fig 5: Gear Oil Inspection Plug

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