Gear Oil, Draining And Filling, Bevel Box "0CN"

WARNING: This page is about a different car, the 2023 Volkswagen Arteon. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

The gear oil in the bevel box must only be drained for a repair. Changing the oil is not intended.

Refer to the appropriate Electronic Parts Information for the gear oil specification.

Special tools and workshop equipment required

Used Oil Collection and Extraction Unit:SMN372500

Fig 1: Identifying Used Oil Collection And Extraction Unit
Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.
Charging Device for AWD Clutch Coupling 2:VAS 6291 A

Fig 2: Identifying Charging Device For Haldex Coupling 2 VAS6291A
Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.
Charging Device For AWD Clutch Coupling 2 - Adapter 3:VAS 6291/3

Fig 3: Identifying Charging Device For Haldex Coupling 2 - Adapter 3 VAS6291/3
Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.
Also Oil Filler - Adapter 6:VAS 6262/6 for some fluid containers

Fig 4: Adapter For Oil Filling 6 VAS 6262/6
Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.
Not illustrated: Torque Wrench, 6-50Nm:VAG 1331A

Requirements

The vehicle must be level.

-- Lift the vehicle, all four mounts from lifting platform at the same height.

-- Remove the noise insulation. Refer to OVERVIEW - NOISE INSULATION .

-- If equipped, remove the right drive axle heat shield from the bevel box -arrows-. Refer to DRIVE AXLE, REMOVING AND INSTALLING .

-- Place the Used Oil Collection and Extraction Unit:SMN372500 under the transmission.

Fig 5: Fluid Filler Plug - Tightening Specifications

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

CAUTION:

Risk of injury due to hot gear oil.

Wear protective eyewear.
Wear acid-resistant safety gloves.

-- Remove the oil drain plug -2- and drain the gear oil.

-- Install the new oil drain plug.

NOTE:

Use the Used Oil Collection And Extraction Unit:SMN372500 to catch escaping gear oil.

-- Remove the oil filler hole plug -1-.

-- Install the Charging Device for BorgWarner Coupling 2 - Adapter 3 :VAS 6291/3 all the way.

Fig 6: Charging Device For Haldex Coupling 2 - Adapter 3 VAS6291/3

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Engage the elbow on the Charging Device for AWD Clutch Coupling 2:VAS 6291A with the Charging Device For AWD Clutch Coupling 2 - Adapter 3 :VAS 6291/3

The hose must not sag.

-- Fill the gear oil.

NOTE:

When the bevel box is filled correctly, oil escapes at adapter -A-.

If the oil still does not leak out, repeat the filling procedure.

-- After filling correctly, remove the Charging Device for AWD Clutch Coupling 2 - Adapter 2:VAS 6291/2 .

-- Install the >>old<< oil filler plug and lightly tighten it.

-- Start the engine, engage a gear and let the transmission turn for approximately two minutes.

-- Switch off the engine and remove the oil filler hole plug.

-- Check the oil level and fill again with oil up to the lower edge of the filler hole.

-- Install a new oil filler plug.

NOTE:

Carefully remove leaking oil from the bevel box.

-- Install the heat shield above the right drive axle, if equipped. Refer to DRIVE AXLE, REMOVING AND INSTALLING .

-- Install the noise insulation. Refer to OVERVIEW - NOISE INSULATION .