Crankshaft Shaft Seal, Belt Pulley Side, Replacing

Special tools and workshop equipment required 

• Puller - Crankshaft SealT40019
• Assembly ToolT40048A with Seal Installer - CrankshaftT40048/7
• M8 x 55 mm bolt, quantity: 2

Procedure

Fig 1: Identifying Puller - Crankshaft Seal T40019

Courtesy of AUDI OF AMERICA, LLC

-- Remove the vibration damper. Refer to VIBRATION DAMPER, REMOVING AND INSTALLING .

-- Position the inner part of the Puller - Crankshaft SealT40019 flush with outer part and secure it with the knurled screw.

-- 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 surface.

-- Place the Seal Installer - Crankshaft - Assembly DeviceT40048/1 on the Seal Installer - Crankshaft - Pull Sleeve 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 the assembly aid.

-- Mount the Seal Installer - Crankshaft - Pull Sleeve T40048/2 to the crankshaft and push the seal -1- into the pulley side sealing flange.

Fig 3: Identifying Pull Sleeve T40048/2

Courtesy of AUDI OF AMERICA, LLC

-- Position the Seal Installer - Crankshaft - Pull SleeveT40048/7 on the crankshaft with M8 x 55 mm bolts -arrows-.

Fig 4: Identifying Seal Installer - Crankshaft T40048/7

Courtesy of AUDI OF AMERICA, LLC

-- Install bolts by hand.

-- Tighten the bolts ¹ /₂ turn each, alternating from side to side in order to press the shaft seal all the way in.

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

-- Install the vibration damper. Refer to VIBRATION DAMPER, REMOVING AND INSTALLING .