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Home >> Audi >> 2012 >> A7 >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> 3.0L - Crankshaft & Cylinder Block - Engine Code(S): CGXB & CTUA >> 13 Crankshaft, Cylinder Block >> Cylinder Block, Transmission Side >> Crankshaft Seal, Replacing, Transmission Side

Crankshaft Seal, Replacing, Transmission Side

Special tools and workshop equipment required 

Procedure 

Fig 1: Prying Out Sealing Ring Using Extractor Lever T20143/2
GWWA13-0624Courtesy of AUDI OF AMERICA, LLC

-- Remove the drive plate, refer to DRIVE PLATE, REMOVING AND INSTALLING .

-- Pry out the shaft seal using Puller - Crankshaft/Power Steering Seal T20143/2.

-- Clean the running and sealing surface.

-- Insert the Seal Installer - Crankshaft - Assembly Tool T10122/1 on the Seal Installer - Crankshaft - Guide Piece T10122/6 and push the shaft seal -A- on the guide piece.

Fig 2: Guide Piece T10122/6 and push the shaft seal -A-
GWWA13-11119Courtesy of AUDI OF AMERICA, LLC

-- Remove the Seal Installer - Crankshaft - Assembly Tool T10122/1.

-- Position the Seal Installer - Crankshaft - Guide Piece T10122/6 on the crankshaft.

Fig 3: Guide Piece Through The Mounting Points -B-
GWWA13-11121Courtesy of AUDI OF AMERICA, LLC

-- Attach the Guide Piece through the mounting points -B- with the bolts -arrows- on the crankshaft.

CAUTION:

There is a rick of leaks due to incorrect assembly.

  • To prevent the shaft seal sealing lip from rolling onto itself, insert the shaft seal by hand on the crankshaft.

-- Push the shaft seal by hand using the Seal Installer - Crankshaft - Guide Piece T10122/6 on the crankshaft.

-- Press shaft seal in evenly all around with thrust piece T10122/3 until flush.

Fig 4: Pressing In Seal Evenly All Around Until It Reaches Stop Using T10122/3
GWWA13-0626Courtesy of AUDI OF AMERICA, LLC

-- Remove the Seal Installer - Crankshaft - Guide PieceT10122/6.

-- Check the shaft seal as well as the sealing lip for correct seating. If the sealing lip are partially turned repeat the procedure with a new shaft seal.

-- Install the drive plate, refer to DRIVE PLATE, REMOVING AND INSTALLING .