Gear Oil, Draining And Filling, Transmission With Combined Oil System

Special tools and workshop equipment required 

• Pressurized Gearbox Oil Filler Kit:VAS6617 
• Pressurized Gearbox Oil Filler Kit:VAS6617/2 
• Pressurized Gearbox Oil Filler Kit - Adapter 6:VAS6617/6 
• Used Oil Collection and Extraction Unit:SMN372500 
• Protective Eyewear

Requirements:

• Pay attention to the general repair information. Refer to GENERAL REPAIR INFORMATION .
• Pay attention to clean working conditions for the transmission. Refer to GUIDELINES FOR CLEAN WORKING CONDITIONS .
• Follow the disposal requirements.
• Replace the ATF drain plug and seal.
• Replace the plug for the ATF check and fill hole.

Test Conditions:

• Gear oil temperature: approximately 20 °C (68 °F) (room temperature).
• The engine must be switched off when working.
• Move the vehicle onto a four-column workshop hoist or over a work pit so it is completely level.
• The transmission must be still for at least 15 minutes to make sure the oil settles internally.
• Transmission in "P".
• The parking brake button is pressed to activate the electro-mechanical parking brake.

Draining

Fig 1: Identifying Drain Plug From Front Final Drive

Courtesy of AUDI OF AMERICA, LLC

-- Place the :SMN372500  under the transmission.

-- Place a cloth over the tunnel crossmember to prevent axle oil from getting into the cast pockets on the top.

-- Remove the drain plug -arrow B- from the front final drive and drain the transmission fluid.

-- Tighten the new drain plug on the front final drive -arrow B-.

-- Remove the drain plug -arrow B- from the center differential housing and drain the transmission fluid.

Fig 2: Drain Gear Oil From Transfer Case

Courtesy of AUDI OF AMERICA, LLC

-- Tighten the new drain plug on the center differential housing -arrow B-.

Filling and Adjusting

Fig 3: Identifying Drain Plug From Front Final Drive

Courtesy of AUDI OF AMERICA, LLC

• Gear oil temperature: approximately 20 °C (68 °F) (room temperature).

-- Place the :SMN372500  under the transmission.

-- Remove the plug -arrow A- from the front final drive.

-- Install the :VAS6617/6  with :VAS6617/2  in the front final drive inspection hole hand tight and fill the front final drive with approximately 1 liter (1 qt) of gear oil.

Fig 4: Installing Adapter VAS 6617/6 & Adapter VAS 6617/2 Into Transmission Hand-Tight

Courtesy of AUDI OF AMERICA, LLC

• Transmission fluid. Refer to the appropriate Parts Information.

-- Wait five minutes.

• A waiting time of at least five minutes is required so that the internal oil level between the differential and oil fill space can equalize.

-- Remove the :VAS6617/6  from the transmission and let any extra gear oil drain out.

-- Install the old plug.

-- Remove the drain plug -arrow A- from the center differential housing.

Fig 5: Drain Gear Oil From Transfer Case

Courtesy of AUDI OF AMERICA, LLC

-- Install the :VAS6617/6  with :VAS6617/2  in the transfer case inspection hole -arrow A- hand tight and fill the transfer case with approximately 1 liter (1 qt) of gear oil.

Fig 6: Installing Adapter VAS 6617/6 & Adapter VAS 6617/2 In Inspection & Fill Hole In Transfer Case

Courtesy of AUDI OF AMERICA, LLC

• Transmission fluid. Refer to the appropriate Parts Information.

-- Wait five minutes.

• The inside of the transfer case is divided into several oil chambers. The chambers must be filled equally.
• A waiting time of at least 5 minutes is required so that the internal oil level between the center differential and oil fill space can equalize.

-- Remove the :VAS6617/6  from the transmission and let any extra gear oil drain out.

-- Install the old plug.

-- Perform a road test for 10 to 15 minutes.

• The fluid distributes evenly during the road test.

-- Check the gear oil level and fill. Refer to ATF LEVEL, CHECKING, TRANSMISSION WITH COMBINED OIL SYSTEM .