Audi A4: Noise Insulation
Overview - Noise Insulation
1 - Quick Release
- Without fastener
2 - Plug/Rubber Grommet
- Plug for vehicles without parking heater
- Rubber grommet for parking heater exhaust pipe
3 - Bolt
- 12 Nm
- Quantity: 2
4 - Rear Noise Insulation
- Removing and installing. Refer to → Chapter "Noise Insulation, Removing and Installing, Rear".
5 - Air Guide
- Removing and installing. Refer to → Chapter "Noise Insulation, Removing and Installing, Rear".
6 - Expanding Rivet
- Quantity: 2
7 - Quick Release
- Without fastener
- Quantity: 5
8 - Front Noise Insulation
- There are different versions. Refer to the Parts Catalog.
- Removing and installing. Refer to → Chapter "Noise Insulation, Removing and Installing, Front".
9 - Expanding Rivet
10 - Fastener
- Quantity: 7
11 - Quick Release
- Quantity: 7
12 - Bolt
- 20 Nm
- Quantity: 4
Noise Insulation, Removing and Installing
Noise Insulation, Removing and Installing, Front
Removing
- Remove the bolts -1-.
- Loosen the quick-release fasteners -2, 4 and 5-.
- Remove the front noise insulation -3-.
Installing
Install in reverse order of removal and note the following:
Vehicles with Parking Heater
- The rubber grommet -A- must rest without tension in the noise insulation -B-.
- The exhaust pipe -C- must be flush with the rubber grommet or it can protrude out slightly.
- The exhaust pipe opening must be perpendicular to the noise insulation and must not point in the direction of travel -arrow-.
Tightening Specifications
- Refer to → Chapter "Overview - Noise Insulation"
Noise Insulation, Removing and Installing, Rear
Removing
- Remove the expanding rivets -arrows-.
- Disengage the quick releases -2 and 3-.
- Remove the rear noise insulation -4- and air guide -1-.
Installing
Install in reverse order of removal.
READ NEXT:
Underbody Trim Panel
Overview - Underbody Trim Panels
1 -
Nut
2 Nm
Quantity: 2
2 -
Front Underbody Panel
Removing and installing. Refer to
→ Chapter "Underbody Trim Panel, Removing and In
Underbody Trim Panels, Removing and Installing
Underbody Trim Panel, Removing and Installing, Front
Removing
- Remove the nuts -arrows-.
- Remove the front underbody trim panel -2-
from the center underbody trim panel -1-.
Installing
Roof Molding/Roof Railing
Overview - Roof Railing
1 -
Nut
Quantity: 4
Insert with locking fluid. Refer to the Parts Catalog.
Tightening specification and sequence. Refer to
→ Fig. "Roof Railing - Tightening
SEE MORE:
Injection System
Component Location Overview - Injection System
Component Location Overview - Engine Compartment
1 - Oxygen Sensor after Catalytic Converter -G130- with Heater for
Oxygen Sensor 1 after Catalytic Converter -Z29-
Component location. Refer to
→ Fig. "Component Location Oxygen Senso
Fuel Filler Door Unit
Overview - Fuel Filler Door Unit
1 -
Drain Hose
From the fuel filler door unit
Removing and installing. Refer to
→ Chapter "Fuel Filler Door Unit Drain Hose, Removing and Installing".
2 -
Emergency Release Cable
Removing and installing. Refer to
→ Chapter "E
