AUDI A4 1995 B5 / 1.G 01A Transmission Rear Final Drive Remove Install Workshop Manual

39-104


Rear final drive, removing and
installing

Special tools and equipment

VAG1359/2 universal transmission
attachment
VAG1383A transmission jack

Removing

- Remove rear section of exhaust system located
rearward of exhaust pipe clamp(s).
Repair Manual, Engine Mechanical, Repair
Group 26

- Remove heat shield above driveshaft.
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- Check for factory color marking on driveshaft. If not, mark position of
driveshaft flange (arrow -A-) in relation to drive flange in rear final drive
(arrow -B-) with color marking.
- Remove mounting bolts from driveshaft flange.

Note:
If the driveshaft cannot be pushed up past the flange, tie up the driveshaft
after lowering the differential. When lowering the driveshaft, protect it from
dropping and note permissible bend angle of the driveshaft Notes,
Page 39
-68
.
Repair Manual, Suspension, Wheels, Brakes, Steering, Repair Group
42
- Tie driveshaft to parking brake cable using wire.
- Disconnect left and right driveaxles from final drive.
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- Place VAG1383A transmission jack with 1359/2 universal transmission
attachment under final drive and support weight of final drive.
- Fasten final drive using belt.

- Remove mounting bolts (arrows) of front crossmember for final drive.
- Remove front crossmember.
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WARNING!
For sefety reasons, two persons are required for lowering the final
drive, and raising it again for installation.
Note:
Crossmember -1- does not need to be removed.
Installing
Installation is the reverse of removal, note the following:
Notes: - Remove mounting bolts -B- and -C- from rear crossmember at final
drive.
- Lower final drive using transmission hoist.
Always replace self-locking nuts.Always replace self-locking driveshaft bolts.The threaded holes on the drive flange on the final drive should be
cleaned of all locking compound residue after driveshaft has been
removed. Otherwise there is a risk of seizing the bolt when tightening
and subsequently breaking off at the next disassembly. The threads can be cleaned using a thread tap.Replace seals between driveshaft and drive flange (remove protective
film and bond seal to drive flange. Adhesive bond surface must be
free of grease.
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Notes: - Use transmission hoist, to raise final drive far enough until both drive
axles can be installed.
- Tighten drive axle bolts slightly.
- Raise final drive and bolt to crossmember and transmission support.
- Install drive shaft Page 39
-74
.
Always replace self-locking bolts for driveshaft.

To prevent imbalance, the flanges of the driveshaft (arrow -A-) and of
the final drive (arrow -B-) must be installed so that the factory color
markings (or the color markings made during removal) are aligned. After removing driveshaft from final drive, additional balance disc
(thicker washer) which may have been installed between base plate
and bolt head may not be re-installed.
- Check oil level in final drive Page 39
-84
.
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- Align exhaust system free of stress.
Repair Manual, Engine Mechanical, Repair
Group 26
Tightening torques

Component

Tightening
torque
Driveshaft to final drive 55 Nm (41 ft
lb)
Front crossmember for final drive
to body 40 Nm (30 ft
lb)
Front crossmember for differential
with mounting bracket for exhaust
system to body 23 Nm (17 ft
lb)
Rear crossmember for final drive
to subframe 50 Nm (37 ft
lb)
Rear crossmember to final drive 55 Nm (41 ft
lb)
Drive axle to drive flange M8 40 Nm (30 ft
lb)
M10 80 Nm (59 ft
lb)
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39-110

Rear final drive to repair stand,
mounting


Special tools and equipment
VW540 holding fixture

- Mount complete final drive to repair stand using VW540 holding fixture.
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