Oil, Filling

-- Clean the area around the oil filler plug -arrow- for the front axle differential lock.

Fig 1: Checking Oil Level

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Remove the oil filler plug -arrow-.

-- Remove the elbow piece from the Charging Device for AWD Clutch Coupling 2:VAS6291 A .

-- Insert the hose -A- of the Charging Device for AWD Clutch Coupling 2:VAS6291A into the oil fill hole -arrow-.

Fig 2: Insert Hose In Filler Hole

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

NOTE:

The oil temperature when checking the oil level is 20 °C to 40 °C (68 °F to 104 °F).

Pay attention to the temperature of the oil container when filling.

The oil temperature can be measured using the Digital Thermometer:VAS6519 .

Oil capacity and oil specification. Refer to FRONT AXLE DIFFERENTIAL LOCK, CHANGING OIL - Oil Capacities and Oil Specifications .

-- Screw the oil container -A- while the valve is closed -arrow- onto the Charging Device for AWD Clutch Coupling 2:VAS6291 A .

Fig 3: Identifying Oil Container -A- With Valve Closed Onto Charging Device F/Held 2 Coup.Vas 6291 A

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Open the valve -arrow- and hold the oil container above the oil fill hole level as shown.

-- Using the Charging Device for AWD Clutch Coupling 2:VAS6291A , fill with oil until it flows out between the hose and the transmission housing.

-- Bring the oil container below the oil fill hole level.

-- Allow the excess oil to flow back into the oil container and close the valve on the Charging Device for AWD Clutch Coupling 2:VAS6291A .

-- Remove the hose and remove the Charging Device for AWD Clutch Coupling 2:VAS6291A .

-- If necessary, let the excess oil flow out until it only drips.

-- Reconnect the previously removed elbow on the Charging Device for AWD Clutch Coupling 2:VAS6291A and secure it with a hose clamp.

The oil level is OK if it is up to the lower edge of the oil fill hole.

-- Install the new oil filler plug -arrow- and tighten it to the tightening specification.

Fig 4: Checking Oil Level

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

Tightening Specification	Nm
Oil filler plug	14 ±3

Check the specified temperature range while checking the oil level, if while filling an oil temperature between 20 °C to 40 °C (68 °F to 104 °F) cannot be guaranteed.

The oil temperature can be measured using the Digital Thermometer:VAS6519 .

If the oil temperature is not between 20 to 40 °C, either drive the vehicle to warm it up or let the oil temperature cool down.