Audi A6 Typ 4G: Noise Insulation
Overview - Noise Insulation

1 - M8 Bolt
2 - Quick Release
3 - Front Noise Insulation
- for the engine
- There are different versions. Refer to the Parts Catalog.
- Removing and installing. Refer to
→ Chapter "Front Noise Insulation, Removing and Installing".
4 - Rear Noise Insulation
- For the transmission
- There are different versions. Refer to the Parts Catalog.
- Removing and installing. Refer to
→ Chapter "Rear Noise Insulation, Removing and Installing".
5 - Air Guide
6 - Rubber Washer
7 - Quick Release
8 - M6 bolt
Noise Insulation, Removing and Installing
Front Noise Insulation, Removing and Installing
Removing
- Remove the bolts -1 and 2- and
open the quick-release fasteners -3 and 4-.
- Remove the front noise insulation -5-
to the rear.
- The guide tabs for the front noise insulation will disengage
while doing this.
- Remove the front noise insulation.
Installing
Install in reverse order of removal.

Rear Noise Insulation, Removing and Installing
Removing
- Remove the bolts -1-.
- Loosen the quick-release fasteners -2
and 4-.
- Remove the rear noise insulation -3-.
Installing
Install in reverse order of removal.

READ NEXT:
Overview - Front Underbody Panels
1 - Nut
With retainer
2.1 Nm
2 - Expanding Clip
3 - Front Vehicle Underbody Cover
Removing and installing. Refer to
→ Ch
Front Vehicle Underbody Cover, Removing and Installing
Removing
- Remove the nut -3- and
expanding clip -1-.
- Remove the front cover -2-
forward.
- Remove the front cover.
Installing
Overview - Protective Films
1 - Protective Foil - Fender
2 - Protective Foil - Door
3 - Protective Foil - Front Sill Panel Trim
4 - Protective Foil - Rear Sil
SEE MORE:
Caution
There is a risk of malfunctions.
The door lock must be removed and installed together
with the bracket to prevent over-bending the cable when
disengaging and engaging it.
The cable must be disconnected from/attached to the
lever on the door lock outside of the door.
Special tools
Applies to: vehicles with diesel engine
The diesel particulate filter filters nearly all of
the soot particles out of the exhaust. The filter
cleans itself automatically under normal driving
conditions. If the filter cannot clean itself (for example,
because you are only driving short distances),
th