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Servicing transfer box > < Checking gear oil level in transfer box

A4 Cabriolet Mk2

Filling up gear oil in transfer box after repairs
Filling up gear oil in transfer box after repairs
Special tools and workshop equipment required
   
t  Drip tray -V.A.G 1306-
t  Safety goggles
Test conditions
l  Gear oil about 20 °C (room temperature)
l  The cover was removed from transfer box and all gear oil was thereby drained.
Test sequence
–  Drive vehicle onto a four-column lifting platform or over an inspection pit in order for it to be absolutely horizontal.
–  Place drip tray -V.A.G 1306- under the gearbox.
  WARNING
Wear safety goggles.
  W00-0512
–  Remove screw plug -arrow-.
  Note
The engine must not be started and vehicle must not be towed without gear oil in gearbox.
–  Fill transfer box slowly and at a constant rate for a period of at least 5 minutes with gear oil (capacity and specification → Chapter).
  Note
t  The fill-up period of at least 5 minutes is necessary so that the internal oil level can be balanced out between the self-locking centre differential and the baffle chamber.
t  The screw plug with oil seal must be renewed.
–  Tighten new screw plug to 35 Nm.
  Note
The level does not need to be re-checked after this step.
  A37-0738

Servicing transfer box > < Checking gear oil level in transfer box