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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 >> Seals >> Left Seal, Replacing >> LEFT SEAL, REPLACING, "quattro sport" >> Installing

LEFT SEAL, REPLACING, "quattro sport": Installing

Install in reverse order of removal. Note the following:

Install the right shaft seal.

Fig 1: Identifying Flange Shaft Seal, Installation
GWWA39-10382Courtesy of AUDI OF AMERICA, LLC

-- Coat the outer circumference and the sealing lips on the shaft seal with ATF.

-- Install the shaft seal all the way. Be careful not to bend it.

Installing the left shaft seal 

Fig 2: Identifying T40221
GWWA39-10383Courtesy of AUDI OF AMERICA, LLC

-- Coat the outer circumference and the sealing lips on the shaft seal with ATF.

-- Install the shaft seal all the way. Be careful not to bend it.

-- Insert the flange shaft.

Tip:

-- Tighten the new flange shaft bolt to the tightening specification  ) Bolt.

-- Install the rear final drive. Refer to FINAL DRIVE, REMOVING AND INSTALLING .

-- Check the ATF level in the rear final drive. Refer to ATF LEVEL, CHECKING .