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.

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