Removing and installing cover with centre differential — AUDI

Audi
Audi A4
2001
Audi A4 Cabriolet
2003
Power transmission
5-speed manual gearbox 01A, four-wheel drive
Edition
12.2008
Removing and installing cover with centre differential
Gearbox installed
Special tools and workshop equipment required
Engine and gearbox jack
V.A.G 1383 A
Drip tray
Removing
WARNING
Follow steps required when disconnecting battery
Rep. Gr.
27
.
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.
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
1)
Always renew bolt with washer
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
1)
Always renew bolts