Audi Workshop Service and Repair Manuals

Removing and installing rear final drive (Audi TT RS and Audi RS 3) Special tools and workshop equipment required

t  Engine and gearbox jack -V.A.G 1383 A- Removing –  Remove spare wheel (if fitted). –  Remove spare wheel well or foam inserts.

Audi RS 3 –  Remove the 2 rubber plugs -arrows- in luggage compartment floor. –  Unscrew the 2 bolts for final drive support (accessible from above through holes -arrows-.

Audi TT RS –  Remove rubber plugs or tape -arrows A- in luggage compartment floor. –  Working through these apertures, unscrew bolts -arrow B-.

Continued for all vehicles –  Disconnect exhaust system at clamps -1- and -2-.   Caution The flexible joint in the starter catalytic converter can be damaged. The flexible joint must not be bent further than 10°. –  Tie up catalytic converters on underbody.

–  Detach cross member -1- on underbody (if originally fitted). To do so, remove nuts -arrows-. –  Remove rear section of exhaust system → Rep. gr.26. –  Remove rear flexible coupling → Chapter. –  Tie propshaft up to underbody on the side.

TT Roadster: –  Remove bolts -1- and -3- and detach diagonal struts -2-.

–  Remove bottom bolts securing clamps -1- for anti-roll bar. –  Remove bolts -2- and detach cross member -3-.

Continued for all vehicles: –  Remove anti-roll bar -arrow- → Rep. gr.42. –  Unbolt drive shafts (both sides) from rear final drive → Rep. gr.42.

–  Place engine and gearbox jack -V.A.G 1383 A- with universal support -1359/2- and wooden block -A- below rear final drive and take up weight of final drive. –  Remove bolt -B-. –  Remove stop plate -C-.

–  Unplug electrical connector -A- on four-wheel drive control unit -J492-.   Note -Arrows- can be disregarded.

–  Unclip the two gearbox breather hoses -arrows- at subframe.

–  Move rear final drive -1- as far to the right as possible -arrow A- and push upwards -arrow B-. –  At the same time, guide drive shaft (left-side) -2- out of flange shaft. –  Lower rear final drive slightly and carefully pull out of rear subframe using engine and gearbox jack -V.A.G 1383 A-. –  Lower rear final drive and guide out past drive shafts.

–  Secure rear final drive -1- with strap -B- to prevent it dropping. Installing l  Tightening torques → Chapter   Note Secure all hose connections with the correct hose clips (as original equipment); refer to → Electronic parts catalogue. –  Check that stop plate -C- is fitted on bonded rubber bushes on both sides. –  Bring rear final drive into position under vehicle, supported by wooden block -A- and secured with strap -B-.

–  Raise rear final drive -1-, and at the same time guide drive shaft (right-side) -3- into flange shaft. –  Move rear final drive as far to the right as possible -arrow A- and push upwards -arrow B-. –  At the same time, guide drive shaft (left-side) -2- into flange shaft.

–  Plug in connector -A-.   Note -Arrows- can be disregarded.

–  Clip on the two gearbox breather hoses -arrows- at subframe.

–  Fit stop plate -C- between bonded rubber bush and subframe, with chamfer -arrow- facing upwards. –  Screw in bolt -B- by hand until it makes contact.

–  Tighten bolts -arrow B- (top, left and right). –  Plug both holes -arrows A- in luggage compartment floor.   Note Seal holes -arrows A- with plugs -7L0 899 182-.

–  Tighten bolt -arrow-. The remaining installation steps are carried out in reverse sequence; note the following: –  Install exhaust system → Rep. gr.26. –  Install anti-roll bar → Rep. gr.42. –  TT Roadster: install cross member and diagonal struts → Rep. gr.42.   Note When renewing the rear final drive, check gear oil level and oil level of the Haldex coupling and top up if necessary: → Chapter and → Chapter.