audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Removing and installing rear final drive > < Additional work required after renewing four-wheel drive control unitJ492
Exploded view - rear final drive
   
Exploded view - rear final drive
  Caution
Only certain parts of the rear final drive may be dismantled.
t  Currently the two superposition gears → Item and → Item may not be removed from the final drive.
t  Therefore it is currently not possible to repair the components inside.
1 - Bolt
q   50 Nm + turn 180° further
q   Always renew
2 - Flange shaft (right-side)
q   Removing and installing → Chapter
q   Do not interchange with flange shaft (left-side); the two shafts are different
3 - Protective ring
q   Renewing → Chapter
4 - ATF breather
q   For superposition gear (left-side)
q   Clip onto breather pipe
5 - Gasket
q   With strainer
6 - Hydraulic control unit
q   With four-wheel drive pump -V415- and pipes to superposition gears
q   Removing and installing → Chapter
q   Dismantling and assembling → Chapter
7 - Bolt
q   20 Nm
q   2x
q   M8, 50 mm long
q   Follow correct tightening sequence → Anchor
8 - Bolt
q   20 Nm
q   M8, 50 mm long
q   With captive seal underneath bolt head
q   Coat thread with sealing paste -D 176 501 A1-
q   Follow correct tightening sequence → Anchor
9 - Bolt
q   20 Nm
q   M8, 30 mm long
q   Follow correct tightening sequence → Anchor
10 - Oil seal
q   For flange shaft (left-side)
q   Renewing → Chapter
11 - Superposition gear (left-side)
12 - ATF inspection plug
q   15 Nm
q   Always renew
q   With captive seal
13 - Flange shaft (left-side)
q   Removing and installing → Chapter
q   Do not interchange with flange shaft (right-side); the two shafts are different
14 - Protective ring
q   Renewing → Chapter
15 - ATF drain plug
q   15 Nm
q   Always renew
q   With captive seal
16 - Gear oil drain plug
q   15 Nm
q   Always renew
q   With captive seal
17 - Final drive housing
18 - Oil seal
q   For propshaft flange
q   Renewing (final drive 0BF) → Chapter
q   Renewing (final drive 0BE) → Chapter
19 - Protective ring
q   Renewing → Chapter
20 - Propshaft flange
q   Removing and installing (final drive 0BF) → Chapter
q   Removing and installing (final drive 0BE) → Chapter
21 - Circlip
q   Always renew
q   Installing → Anchor
22 - Gear oil inspection plug
q   15 Nm
q   Always renew
q   With captive seal
23 - Bracket
q   For wiring harness
24 - Bolt
q   9 Nm
25 - Superposition gear (right-side)
26 - Oil seal
q   For flange shaft (right-side)
q   Renewing → Chapter
27 - ATF breather
q   For superposition gear (right-side)
q   Clip onto breather pipe
28 - Breather for final drive
q   Clip onto breather pipe

   

Removing and installing rear final drive > < Additional work required after renewing four-wheel drive control unitJ492