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Gear oil and ATF in rear final drive > < Removing and installing rear final drive (Audi A8)

A4 Mk3

Additional work required after renewing rear final drive
Additional work required after renewing rear final drive
  WARNING
Malfunctions can occur on rear final drive!
The following additional work is required if the rear final drive has been renewed:
t  Bleeding hydraulic control unit → Vehicle diagnostic, testing and information system VAS 5051
t  Adapting four-wheel drive control unit -J492- to rear final drive → Vehicle diagnostic, testing and information system VAS 5051.
Only perform this additional work if the rear final drive has been renewed.
Procedure:
–  Connect vehicle diagnostic, testing and information system -VAS 5051- and switch on ignition.
–  Using vehicle diagnostic, testing and information system -VAS 5051- in Guided Functions mode, select 22 - Four-wheel electronics and then select the function 22 - Replacing rear final drive.
l  It is important to follow all instructions given by the vehicle diagnostic, testing and information system -VAS 5051- exactly.
Using vehicle diagnostic, testing and information system -VAS 5051B-, „adapt“ new rear final drive to four-wheel drive control unit -J492-.
  Note
When 22 - Replacing rear final drive function has been completed, a system check is performed. Any malfunctions during this test must be eliminated via the „Guided Fault Finding“.
Tightening torque
   
Component Nm
Bracket for wiring harness to rear final drive9

   

Gear oil and ATF in rear final drive > < Removing and installing rear final drive (Audi A8)