All Wheel Drive Clutch Valve -N445- Or All Wheel Drive Clutch Valve 2 -N446-, 0BE, 0BF: Removing

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2015 Audi S8, 2015 Audi A8 Quattro, 2014 Audi S8, 2014 Audi A8 Quattro, and 2013 Audi S8. However, it is still accessible from the selected car via links, so may be relevant.

The ignition is off.

-- Place the vehicle on a lift.

-- Lower the back section of the exhaust system just a little and secure it.

-- Remove the wiring harness bracket from the rear final drive If equipped, remove the bolts -arrows- and remove the wiring harness bracket -1- from the rear final drive. .

NOTE:

Mark the connectors -1 through 4- for the Oil Pressure/Temperature Sensor -- and for the Clutch Valves --.

Fig 1: Identifying Oil Pressure/Temperature Sensor Connectors

Courtesy of AUDI OF AMERICA, LLC

Disconnect the connectors -1 and 2-.

-- Disconnect the connector -3- from the All Wheel Drive Clutch Valve 2 -N446- and the connector -4- from the All Wheel Drive Clutch Valve -N445-.

-- Place Drip Tray under rear final drive.

-- Remove the bolts -1- on each Clutch Valve -- using the Socket 4 mm T10370.

Fig 2: Identifying Clutch Valves

Courtesy of AUDI OF AMERICA, LLC

-- Carefully pry out the Clutch Valve -- with a flat blade screwdriver -3-. Be careful of the pressure spring when doing this. The pressure spring could fall out of the opening in the hydraulic control unit -6-.

-A- = All Wheel Drive Clutch Valve 2 -N446- identification color brown

-B- = All Wheel Drive Clutch Valve -N445- identification color black