All Wheel Drive (AWD): Pump: Installing

• The hydraulic pump -A- is installed inside the hydraulic control unit in its Installed position; assembling the hydraulic pump. Refer to Figure.
  Fig 1: Hydraulic Pump

  Courtesy of AUDI OF AMERICA, LLC
• The adapter -B- is installed into the recesses in the hydraulic pump.
• The new O-ring -D- is installed on the AWD pump.

-- Install the AWD pump and the shaft -C- into the adapter -B-.

-- Tighten the four bolts on the AWD pump -2- diagonally  HYDRAULIC CONTROL UNIT => List Item:Bolt.

Fig 2: All Wheel Drive (AWD) Pump Connector

Courtesy of AUDI OF AMERICA, LLC

-- Connect the connector -1- to the AWD pump.

-- Fill the ATF in the rear final drive. Refer to ATF IN REAR FINAL DRIVE 0BF AND 0BE, FILLING .