ATF, Filling, 0BE, 0BF

Special Tools And Workshop Equipment Required

Vehicle Diagnostic Tester
Charging Device for Haldex Coupling 2 VAS 6291 or Charging Device for Haldex Coupling 2 VAS 6291A
Oil Filling Adapter VAS 6291/2 or Oil Filling Adapter VAS 6291/3
Drip Tray

Test Conditions:

The rear final drive must be in the installed position.
The vehicle must be horizontal.
The ATF drain plug is installed and tightened. Tightening specification -item 15- in FINAL DRIVE 0BE, 0BF OVERVIEW .

CAUTION:

There is a risk of damaging the rear final drive.

Only use ATF available as a replacement part.
Using other fluids can cause malfunctions or final drive failure.
Allocation
The ATF filler tool must be clean and the ATF must not be mixed with any other oils.

-- Use Charging Device for the Haldex Coupling 2 VAS 6291 to add oil.

-- Lift the vehicle.

-- Remove the ATF inspection plug -1-.

Fig 1: Locating ATF Plugs

Courtesy of AUDI OF AMERICA, LLC

CAUTION:

The inspection plug for checking the ATF level -1- is located on the left side of the rear final drive. Identification "ATF" on the final drive housing -arrow-

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

Fig 2: Identifying Elbow Adapter

Courtesy of AUDI OF AMERICA, LLC

-- Screw in the adapter -A- to the stop.

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

-- Route the hose over the left drive axle.

The hose must not hang through. It must be routed over the left rear wheel.

-- Lower the vehicle.

-- Close the valve -arrow-.

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

Courtesy of AUDI OF AMERICA, LLC

-- Attach the oil fluid container -A- to the Charging Device for Haldex Coupling 2 VAS 6291.

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

The hydraulic control unit and the left and right chambers in the rear final drive are now filled.

When the correct filling of the rear final drive hydraulic control module ATF drips from the adapter -A-

Fig 4: Identifying Elbow Adapter
Courtesy of AUDI OF AMERICA, LLC

If there still is no ATF in the adapter -A- :

-- Continue filling until the level is correct.

When ATF starts to leak out of the adapter -A- :

-- Lift the vehicle.

-- Place the ATF container on a tool box.

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

-- If no more ATF runs back, remove the Charging Device for Haldex Coupling 2 VAS 6291.

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

-- Install the ATF check plug -arrow- hand-tight.

Fig 5: Locating ATF Check Plug

Courtesy of AUDI OF AMERICA, LLC

-- Connect the Vehicle Diagnostic Tester and turn on the ignition.

-- Select the function 22 - All Wheel Drive Electronics in the Vehicle Diagnostic Tester under Guided Functions in the directory 22- ATF Filling .

Follow all the instructions given by the Vehicle Diagnostic Tester exactly.

The System is filled and bled using the Vehicle Diagnostic Tester.

NOTE:

Repeat the filling process if the system detects there is still air inside the system after performing 22 - ATF Filling .

-- Remove the ATF inspection plug -arrow- again.

Test Condition

The ATF level is correct when the rear final drive is filled up to the lower edge of the filler hole -arrow-.
If necessary fill the ATF.
In the Diagnostic Trouble Code (DTC) memory there is no entry and no "sporadic malfunction". Refer to Vehicle Diagnostic Tester.

-- Install the new ATF inspection plug -arrow- and tighten. Tightening specification -item 12- in FINAL DRIVE 0BE, 0BF OVERVIEW .