Removing oil seal at Hall sensor (left cylinder head): Notes

Detach coolant reservoir -arrows- and move it clear to side.
NOTE: Leave coolant hoses connected.
Disconnect electrical connector from coolant level monitor.
Move wiring harness clear at bulkhead

Fig 1: Disconnecting Electrical Connector From Coolant Level Monitor
Courtesy of AUDI OF AMERICA, INC.
Unbolt bracket -arrows- for plug connectors on bulkhead and move clear to side.

Fig 2: Removing Plug Connectors On Bulkhead
Courtesy of AUDI OF AMERICA, INC.
Unbolt Hall sensor housing (10 Nm).
Unbolt Hall sensor rotor (20 Nm) and carefully pry off rotor using a screwdriver.
Screw in bolt from 2085/1 oil ring extractor.

Fig 3: Screwing In Bolt From 2085/1 Oil Ring Extractor - Oil Seal At Hall Sensor (Left Cylinder Head)
Courtesy of AUDI OF AMERICA, INC.
Disconnect out seal with oil seal extractor 2085 and bolt 2085/1.
Clean contact surface and sealing surface.
NOTE: Do not apply oil to sealing lip or outer circumference of seal before installing.
Install guide sleeve (from tool set 3241) onto camshaft.

Fig 4: Removing Oil Seal At Hall Sensor Using Oil Seal Extractor 2085 (Left Cylinder Head)
Courtesy of AUDI OF AMERICA, INC.
Press in seal until flush using press sleeve 3241/1 and bolt 3241/3.