Gear Oil, Draining And Filling, 0DB, 0D2, 0G2, 0DG

Special tools and workshop equipment required 

• Charging Device for AWD Clutch Coupling 2:VAS 6291A 
  Fig 1: Device For Haldex Coupling 2 - Adapter 2VAS6291/2

  Courtesy of AUDI
• Adapter for Oil Filling:VAS 6291/1  or Charging Device for AWD Clutch Coupling 2 - Adapter 2 :VAS 6291/2 
• Charging Device For AWD Clutch Coupling 2 - Adapter 3:VAS 6291/3  (rework if necessary. Refer to Figure.)
  Fig 2: Identifying Charging Device For Haldex Coupling 2 - Adapter 3 VAS6291/3

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• The Oil Filler - Adapter 6:VAS 6262/6  must be used on some fluid containers.
  Fig 3: Adapter For Oil Filling 6 VAS 6262/6

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• The Oil Filler - Adapter 7:VAS 6262/7  must be used on some fluid containers.
  Fig 4: Identifying Adapter

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• Drip Tray

Draining

-- Final drive 0DB, 0D2, 0G2: remove the check plug for the gear oil -arrow A-.

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-- Final drive 0DG: remove the check plug for the gear oil -arrow A-.

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• Removing the gear oil check plug allows the gear oil to drain faster.

-- Remove the drain plug -arrow B- and drain the gear oil.

-- Then tighten the gear oil drain plug -arrow B-.

• Tightening specification: Refer to COMPONENT LOCATION OVERVIEW - DRAIN AND CHECK PLUGS .

Filling

-- Final drive 0DB, 0D2, 0G2: remove the check plug for the gear oil -arrow A-.

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-- Final drive 0DG: remove the check plug for the gear oil -arrow A-.

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-- Install the Adapter for Oil Filling:VAS 6291/1  or Charging Device for AWD Clutch Coupling 2 - Adapter 2 :VAS 6291/2  -1-.

Fig 5: Identifying VAS 6291/1 Or VAS 6291/3

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

Fig 6: Identifying Elbow With Adapter

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-- Route the hose over the right drive axle.

• The hose must not sag. It must be routed over the right rear wheel.

-- Lower the vehicle.

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

Fig 7: Identifying Oil Container On Charging Device F/Haldex 2 Coup. VAS 6291

Courtesy of AUDI

-- Screw the fluid container -A- onto the Charging Device for AWD Clutch Coupling 2:VAS 6291A  .

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

The rear final drive will not be filled.

• When at the correct filling of the rear final drive oil drips between the adapter -B- and the final drive housing.
  Fig 8: Identifying Elbow With Adapter

  Courtesy of AUDI

-- Lift the vehicle.

-- If oil leaks from the adapter -B-, set down the oil container (for example, on a tool trolley).

A portion of the excess oil runs back into the oil container.

-- If no more oil runs back, remove the Charging Device for AWD Clutch Coupling 2:VAS 6291A  .

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

-- Then tighten the gear oil check plug.

• Tightening specification: Refer to COMPONENT LOCATION OVERVIEW - DRAIN AND CHECK PLUGS .