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Home >> Audi >> 2025 >> S4 Premium >> Repair and Diagnosis >> Drivelines & Axles >> Differentials & Drive Axles >> Final Drive, Differential (Rear Final Drive 0D2, 0D3, 0DB, 0B0, 0BX, 0DG, 0G2, 09R) >> 39 Final Drive, Differential >> Gear Oil >> Gear Oil, Checking Level >> Gear Oil Level, Checking, Basic Final Drive, 0DB, 0D2 And 0G2

Gear Oil Level, Checking, Basic Final Drive, 0DB, 0D2 And 0G2

Special tools and workshop equipment required 

-- Remove the oil filler plug -arrow A- to check the gear oil.

Fig 1: Exploded View Of Drain And Check Plugs, Basic Final Drive, 0DB, 0D2 And 0G2
GWWA39-10800Courtesy of AUDI OF AMERICA, LLC

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

-- Install the plug -arrow A- and tighten it. Tightening specification Refer to COMPONENT LOCATION OVERVIEW - DRAIN AND CHECK PLUGS, BASIC FINAL DRIVE, 0DB, 0D2 AND 0G2 .