Audi Workshop Service and Repair Manuals

Removing and installing Haldex coupling pump -V181-, final drive „02D/0AV“ Special tools and workshop equipment required

t  Torque wrench -V.A.G 1331-

t  Drip tray for workshop hoist -VAS 6208-

Removing –  Switch off ignition. –  Place drip tray underneath. –  Remove drain plug -A - and drain high performance oil for Haldex coupling completely. –  Fit drain plug -A- with new seal. Tightening torque for plug -A-: 30 Nm

–  Loosen securing bolt -arrow- at front mounting bracket for final drive approx. 7 turns and lower final drive slightly.

–  Unplug connector -arrow- for pump from control unit.

–  Detach wiring harness together with retainer -A- from housing and move clear. –  Press retainer tabs -B- together and push into hole in housing as far as possible.

–  Re-tighten securing bolt -arrow- finger-tight. –  Position drip tray under final drive.

–  Unscrew securing bolts for pump -1-. –  Pull out pump -arrow- together with the wiring protection -2- from Haldex coupling housing.

Installing Installation is carried out in the reverse order; note the following: –  Renew O-rings -1- and -2-. –  Lightly lubricate O-rings -1- and -2- with high-performance oil for Haldex coupling.

–  Press pump -arrow- in until limit stop. Make sure that the wiring protection -2- is properly seated. –  Tighten bolts -1-. Tightening torque → Item

–  Unscrew securing bolt -arrow- from front mounting bracket.

–  Clip wiring harness onto top of Haldex coupling and fit connector -arrow- to control unit.

–  Secure rear final drive with a new bolt -arrow- to subframe. Tightening torque → Item –  Fill up with high-performance oil for Haldex coupling and check oil level in Haldex coupling → Chapter.