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

• The engine is off.
• Move the vehicle onto a 4-column workshop hoist or over a work pit so it is completely level.
• Transmission in "P".
• The parking brake button should be activated to close the electro-mechanical parking brake.

-- Remove the rear noise insulation -2-. Refer to Noise Insulation .

Fig 1: Identifying Rear Noise Insulation

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-- Remove the bolts -arrows- and remove the right heat shield -1-.

Fig 2: Identifying Bolts And Right Heat Shield

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-- Audi RS6: Remove the bolts -1, 2- and then press the coolant pipe on the right to the side.

Fig 3: Identifying Bolts

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-- Place the Used Oil Collection and Extraction Unit SMN 372500 under the transmission.

Fig 4: Identifying Drain Plug From Front Final Drive

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-- 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-.

-- Place the Used Oil Collection and Extraction Unit SMN 372500 under the transmission.

Fig 5: Drain Gear Oil From Transfer Case

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

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