transmission AUDI A8 1998 D2 / 1.G 01V Transmission Front Final Drive Service User Guide

Center differential to transmission housing 23
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39-28


Final drive to transmission housing seal,
replacing

Special Tools and equipment

VW681 extractor lever
3383 double seal installer
VAG1306 drip tray
VAG1358A - oil siphoning unit
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39-30


- Remove bolt for flange shaft (arrow) while securing against turning
using a drift.
- Using VAG1358A oil siphoning unit, siphon gear oil from the final drive.
- Place VAG1306 drip tray underneath.
- Remove right drive flange.
- Remove right transmission support page 37
-125
.

- Remove bolts for final drive cover opposite of shown tightening
sequence and remove cover.
- Pull out differential and remove.
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39-31


Note:
Shim is pre-determined and must not be exchanged for a shim with
another thickness. - Remove tapered roller bearing outer race of differential -1- and shim -
2- which is behind it from transmission housing by hand.
- Remove left drive flange page 39
-13
.

Note:
Extractor lever must be positioned behind both sealing lips of the seal. Do
not position at outer circumference of seal, otherwise the contact surface
in transmission housing will be damaged. When levering out, carefully
guide extractor lever. - Pull out seal.
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39-32

Installing

- Check seal seat in transmission housing for
damage; rework if necessary.

- Coat outer circumference and sealing lip of seal
with ATF.

- Slide seal onto 3383 double seal installer so that the projecting sealing
lip (arrow) of seal faces tool.

- Drive in new seal to stop.
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39-33

- Install left drive flange page 39
-22
.

- Insert adjustment shim -2- and tapered roller bearing outer race for
differential -1- into transmission housing up to stop by hand.

- Replace O-ring (arrow).
- Insert differential into transmission housing.
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39-34


Tightening sequence:
Repair Manual, Suspension, Wheels, Steering, Repair Group 40; Drive axle, removing and installing
- Install cover for final drive.
1. Stage: Tighten bolts 1 to 3 by hand2. Stage: Tighten bolts 1 to 12 in mentioned sequence to tightening
torque.
- Install right drive flange.
- Install right transmission support page 37
-125
.
- Installing drive axles: - Top-up and check gear oil in front final drive page 39
-1 .
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39-35

Tightening torques

Component

Nm
Cover for front final drive to transmission
housing
23
Mounting bracket for left drive flange at
transmission
23
Drive flange to transmission 23
Drive axle to drive flange M10 77
Driveshaft to drive flange M8 39
Heat shield for driveshaft to transmission
23
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39-37

- Remove right drive axle:

Repair Manual, Suspension, Wheels,
Steering, Repair Group 40; Drive axle, removing and installing


- Remove right transmission support page 37
-
125
.

- Remove bolt for flange shaft (arrow) while securing against turning
using a drift.
- Place VAG1306 drip tray underneath.
- Remove right drive flange.

- Remove bolts for final drive cover opposite of shown tightening
sequence and remove cover.
Pa
ge 35 of 37 Front final drive, servicin
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39-39

- Install right transmission support page 37
-
125
.

- Install drive axle.

Repair Manual, Suspension, Wheels,
Steering, Repair Group 40; Drive axle, removing and installing


- Top-up and check gear oil in front final drive
page 39
-1 .

Tightening torques

Component

Nm
Cover for front final drive to transmission
housing
23
Drive flange to transmission 23
Heat shield for driveshaft to transmission
23
Pa
ge 37 of 37 Front final drive, servicin
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11/20/2002 htt
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