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Home >> Audi >> 2021 >> A4 Quattro Premium Plus, 2.0L Eng VIN B >> Repair and Diagnosis >> Drivelines & Axles >> Differentials & Drive Axles >> Final Drive, Differential Rear Final Drive >> 39 Final Drive, Differential >> Gear Oil >> Gear Oil, Draining And Filling >> GEAR OIL, FILLING, 0D3 "quattro sport"

GEAR OIL, FILLING, 0D3 "quattro sport"

Special tools and workshop equipment required 

Depending on the version, the spacer tube from the Charging Device For AWD Clutch Coupling 2 - Adapter 3VAS 6291/3 can line up on the housing rib on the final drive.

Fig 5: Depending on the version the spacer tube from the Charging Device For Haldex Coupling 2 - Adapter 3 VAS6291/3 can line up on the housing rib on the final drive.
GWWA39-10836Courtesy of AUDI OF AMERICA, LLC

-- Grind the adapter spacer tube as shown, opposite both the side holes -arrows-.

Gear Oil, Filling 

-- Lift the vehicle.

Fig 6: Gear Oil Inspection Plug
GWWA39-10368Courtesy of AUDI OF AMERICA, LLC

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

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

Fig 7: Identifying Elbow Adapter
GWWA39-10378Courtesy of AUDI OF AMERICA, LLC

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

CAUTION:

Incorrect adapter installation

Risk of damaging the fluid filler hole threads.

- Screw the adapter -A- in straight.

- The sanded side on the adapter -A- must point to the housing rib -arrow-.

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

-- Route the hose over the right drive axle.

-- Lower the vehicle.

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

Fig 8: Identifying Oil Container On Charging Device F/Haldex 2 Coup. VAS 6291
GWWN39-10140Courtesy of AUDI OF AMERICA, LLC

-- 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.

-- Lift the vehicle.

-- If oil leaks from adapter -A-, set down the fluid container (for example, on a tool cart).

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  .

-- If necessary, fill the gear oil again.

-- Install the new gear oil check plug -arrow- and tighten. Tightening specification -item  : Gear Oil Check Plug.

Fig 10: Gear Oil Inspection Plug
GWWA39-10368Courtesy of AUDI OF AMERICA, LLC