Crankshaft Shaft Seal, Belt Pulley Side, Replacing

Special tools and workshop equipment required 

• Oil Seal ExtractorT40019
• Assembly DeviceT40048

Procedure 

-- Remove vibration damper. Refer to VIBRATION DAMPER .

-- Position the inner section of the T40019 so it is flush with outer section and secure it with the knurled screw.

Fig 1: Identifying Oil Seal Extractor T40019

Courtesy of AUDI OF AMERICA, LLC

-- Lubricate the seal remover threaded head, position it, and then install it into the shaft seal as far as possible using strong force.

-- Loosen the knurled screw and turn the inner portion against the crankshaft until the seal is pulled out.

-- Secure the seal remover in a vise at the flat spots and remove the seal using pliers.

-- Clean the running and sealing surfaces.

-- Place the T40048/1 on the T40048/2 and slide the shaft seal -1- onto the pull sleeve.

Fig 2: Inserting Assembly Device T40048/1 Onto Pull Sleeve T40048/2 And Slide Seal Onto Pull Sleeve

Courtesy of AUDI OF AMERICA, LLC

-- Remove assembly device.

-- Place the T40048/2 on the crankshaft and slide the shaft seal -1- into the sealing surface on the engine.

Fig 3: Placing Pull Sleeve T40048/2 On Crankshaft And Sliding Seal Into Sealing Surface On Engine

Courtesy of AUDI OF AMERICA, LLC

• The pull sleeve remains on crankshaft for pressing in.

-- Position T40048/3 with 2 M8 X 55 mm bolts -arrows- on crankshaft.

Fig 4: Positioning Pressure Sleeve T40048/3 With Bolts On Crankshaft

Courtesy of AUDI OF AMERICA, LLC

-- Install the bolts by hand.

-- Tighten bolts ¹ /₂ turn each, alternating sides, to press the shaft seal in as far as the stop.

The rest of the installation is in reverse order of removal, note the following:

-- Install vibration damper, refer to VIBRATION DAMPER .