Audi Workshop Service and Repair Manuals

Removing and installing cover with centre differential l  Gearbox installed Special tools and workshop equipment required

t  Engine and gearbox jack -V.A.G 1383 A- t  Drip tray Removing   WARNING t  Follow steps required when disconnecting battery → Rep. Gr.27. t  On vehicles with telematics: activate service mode of telematics control unit before disconnecting battery → Rep. Gr.91. –  Refer to coding on vehicles with encoded radio/radio navigation system; obtain coding if necessary.

–  With the ignition switched off, disconnect battery earth strap. –  Place drip tray underneath and drain gearbox oil. Vehicles with 4-cylinder engine:

–  Disconnect exhaust system at clamp -1- → Rep. Gr.26. Vehicles with 6-cylinder engine:

–  Disconnect exhaust system at clamps -arrows-. –  Remove rear section of exhaust system behind clamps. –  Remove one of the two front exhaust pipes with catalytic converter → Rep. Gr.26. Continued for all vehicles:

–  Remove heat shield for propshaft from cover for centre differential -arrows-. –  Unbolt propshaft from gearbox → Rep. Gr.39.

–  Unscrew speed nut -arrow- slightly and secure propshaft to stud with wire.

–  Take up some of the weight of the gearbox with engine and gearbox jack -V.A.G 1383 A-. Insert a wooden block -1- between gearbox and gearbox jack.

–  First remove bolts -3- and then bolts -2- at tunnel cross member. –  Lower gearbox slightly. –  Unscrew the two nuts -1- and push tunnel cross member backwards slightly.

–  Remove gearbox mounting -arrows-.

–  Unbolt cover -A- with centre differential from gearbox cover -B-.   Note Shown in illustration with gearbox removed. –  Remove spring -C- from pinion shaft. Removing and installing centre differential in cover → Chapter. Servicing cover → Chapter. Installing Installation is carried out in reverse sequence; note the following: –  Clean sealing surface and coat with -AMV 188 001 02-.

–  Check that dowel sleeves -arrows- are fitted in gearbox cover -B-. –  Fit spring -C- onto hollow shaft over pinion shaft. –  Fit cover -A- with centre differential on gearbox cover -B- and secure in place. –  Lift gearbox with engine and gearbox jack -V.A.G 1383 A-.

–  Install gearbox mounting -arrows-.

–  Bolt tunnel cross member onto gearbox mounting -1-. –  Bolt tunnel cross member to body. First install bolts -2- and then bolts -3-. –  Top up gear oil and check oil level in gearbox → Chapter. –  Bolt propshaft to gearbox → Rep. Gr.39. –  Align exhaust system so it is free of stress → Rep. Gr.26. –  After connecting battery, enter anti theft code for radio → Radio operating instructions. –  Connect the battery. t  When the battery is reconnected, please remember to check and activate the vehicle equipment (radio, clock, convenience electrical systems etc.). Tightening torques

Gearbox mounting to gearbox

Bolts -arrows-

23 Nm

Tunnel cross member to gearbox mounting and body

Component		Nm
-1- Tunnel cross member to gearbox mounting		23
-2- Tunnel cross member to body 1)		110 Nm + 90° 2)
-3- Tunnel cross member to body 1)	M10	55
l  1) Always renew bolt with washer l  2) 90° is equivalent to a quarter turn

Component		Nm
Cover with centre differential to gearbox		22
Propshaft to manual gearbox 1)		55
Heat shield for propshaft to cover for centre differential		25
l  1) Always renew bolts