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Home >> Audi >> 2021 >> A4 Quattro Premium Plus, 2.0L Eng VIN B >> Repair and Diagnosis >> Drivelines & Axles >> Differentials & Drive Axles >> Final Drive, Differential Servicing - 7-Speed Dual Clutch Transmission >> 39 Final Drive, Differential >> Differential >> Differential, Removing And Installing >> Installing

Differential, Removing And Installing: Installing

GWWA39-10762Courtesy of AUDI OF AMERICA, LLC

Install in the reverse order of removal while noting the following:

-- Install the differential -1-.

-- While doing so, do not lift the differential at the angular contact ball bearing cage -2-, but rather grab inside the hole -arrow- for the right flange shaft.

-- Replace the O-ring -A- on the final drive cover and coat it with transmission fluid.

Fig 1: Identifying Final Drive Cover O-ring
GWWA39-10285Courtesy of AUDI OF AMERICA, LLC

-- Insert the final drive cover -1- and tighten the bolts -arrows-.

GWWA39-10761Courtesy of AUDI OF AMERICA, LLC

-- Install the right flange shaft. Refer to RIGHT FLANGE SHAFT, REMOVING AND INSTALLING .

-- If removed install the left flange shaft. Refer to LEFT FLANGE SHAFT, REMOVING AND INSTALLING .

-- Fill the transmission fluid after installing the transmission and check the transmission fluid level. Refer to Transmission Fluid .