Audi Workshop Service and Repair Manuals

Removing and installing Haldex coupling (with final drive installed) Special tools and workshop equipment required

t  Torque wrench -V.A.G 1331-

t  Drip tray for workshop hoist -VAS 6208-

t  Engine/gearbox jack -V.A.G 1383 A- with universal support -V.A.G 1359/2-

t  Guide pins -T10093-

Removing   Caution The flexible joints in the exhaust system can be damaged. The flexible joints in the front exhaust pipe must not be bent further than 10°. –  Disconnect exhaust system at clamp -arrows-. –  Tie up front exhaust pipe on underbody. –  Remove rear section of exhaust system → Rep. gr.26.

–  Remove flexible coupling (rear) → Chapter. –  Unplug connector -2- on four-wheel drive control unit -J492-.

–  Position drip tray -VAS 6208- under final drive. –  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

–  Unscrew securing bolts -arrows- and remove Haldex coupling from rear final drive.

Installing Haldex coupling Perform installation in reverse sequence of removal. Note the following: –  Remove "old" O-ring -arrow- from Haldex coupling. –  Insert new O-ring -arrow- and lubricate lightly with high-performance oil for Haldex coupling.

–  Insert Haldex coupling -1- into rear final drive. Screw in guide pins -T10093- for exact fitting. –  Insert Haldex coupling as far as stop (turn propshaft flange -2-).

–  Tighten bolts -arrows- to specified torque → Item.

–  Plug connector -2- into four-wheel drive control unit -J492-. –  Install flexible coupling (rear) → Chapter. –  Install exhaust system and perform stress-free alignment → Rep. gr.26. –  Fill up with high-performance oil for Haldex coupling and check oil level in Haldex coupling → Chapter.