Servicing front final drive — AUDI

Notes:

The parts shown in the following illustration can be removed with the gearbox installed.
Rules for cleanliness when working on the automatic gearbox => Page
37-66
.
Repair instructions => Page
00-11
.
Apply a thin coating of Vaseline to the O-rings and the oil seals. Other types of lubricant will cause problems with the hydraulic actuation of the gearbox.
Do not interchange inner or outer races of bearings of the same size.

Gearbox housing
Baffle plate
Bolt - 8 Nm
2 off

Oil seal
Replacing => Page
39-21

Shim
Behind bearing ring
Specially calibrated and must not be replaced by any non-calibrated shim

Bearing outer race
Remove and install by hand

Differential
With taper roller bearing
With sender wheel for gearbox speed sender -G38

Oil drain plug - 50 Nm
With oil seal

Bolt - 25 Nm
Flange shaft, right
Replacing => Page
39-17

Oil seal
Replacing => Page
39-17

Oil filler plug - 50 Nm
For checking gear oil
With oil seal

Bolt - 23 Nm
12 off
for attaching -Item
14
-

Differential cover
Wigearbox speed sender -G38
Removing and installing
gearbox speed sender -G38
=>Fig.
1

O-ring
Replacing => Page
39-21
Fit with Vaseline

Shim
Behind bearing ring
Specially calibrated and must not be replaced by any non-calibrated shim

Bearing outer race
Washer

Bolt - 23 Nm
For securing -Item
23
-

Parking lock gear
Dished washer
4 off
Always insert 2 springs facing against one another

socket
Intermediate bushing
Replacing => Page
39-34

Oil seal
For ATF area
Pressed into intermediate sleeve -Item
23
-.
Only replace together with -Item
39-34

Oil seal
For gear oil area
Pressed into intermediate sleeve -Item
23
-.
Only replace together with -Item
39-34

O-ring
Black
Only replace together with -Item
39-34
Fit with Vaseline

O-ring
Green
Only replace together with -Item
39-34
Fit with Vaseline

Nut (special) - 120 Nm
For drive pinion shaft.
Replacing => Page
39-34
Watch out for scoring of sealing rings -Item
24
- and -Item
25
-
Peen at 2 positions after installing.

Speedometer sender -G22
Removing and installing => Page
39-1

O-ring
Fit with Vaseline

O-ring
Fit with Vaseline

Input shaft
Removing and installing => Page
39-26

Mounting
Fit filled with multi-purpose grease
On vehicles with 5 cyl. TDI engines apply thin coat of liquid locking compound AMV 185 101 A1 to outer bearing race

O-ring
Collared nut - 100 Nm
Locking => Fig.
2

Tab washer
For -Item
35
-
Replacing => Page
39-26

Flange shaft, left
Removing and installing => Page
39-26

Oil seal
Replacing => Page
39-26

Input gear
For speedometer sender -G22
Removing and installing => Page
39-2

Circlip
For -Item
33
- in gearbox housing

Spring
Only for vehicles with 5 cyl. TDI diesel engine

Thrust pin
Only for vehicles with 5 cyl. TDI diesel engine

Oil seal
Replacing => Page
39-26

Fig.1
Removing and installing gearbox speed sender -G38

Removing

Note:

Shown in illustration with gearbox removed.

Pull off the connector.
Release and unscrew sender -arrow-.

Installing

Fit new O-ring.
Apply multi-purpose grease to sender for insertion and tighten it to 30 Nm.

Fig.2
Securing collared nut for flange shaft

Tighten collared nut on flange shaft and secure with a new locking plate -arrows-.