Do it yourself
Frequently asked questions about cars and motorcycles
Car tutorial (Do it yourself) Motorcycle tutorial (Do it yourself) Frequently Asked Questions

How to Replace the Engine Coolant Thermostat on an Audi A4 B7

Model: Audi A4 B7 - Years: 2004, 2005, 2006, 2007, 2008
Part: Thermostat

See other generations:
Video tutorial

This guide shows how to replace the engine coolant thermostat on an Audi A4 B7. The first step is to disconnect the battery. Remove the serpentine belt and the alternator using the four 6 mm bolts.

Disconnect the electrical wires from the alternator and remove the unit; take off the air intake hose. At this point, from the bottom of the created space, remove the two coolant hoses from the engine.

The thermostat is now ready to be removed. Take out the two 10 mm bolts holding it in place and clean the area.

Reassemble everything in position.


Updated on 17 June 2026 by ScegliAuto


Related tutorials

How to Replace the Thermostat in the Audi A4?
How to Replace the Thermostat in the Audi A4?
Audi A4 (2000-2004 / B6) In this tutorial, you will learn how to replace the thermostat in the Audi A4, a simple and quick operation. First, ensure that the engine is complet…
How to Replace the Thermostat on an Audi A4?
How to Replace the Thermostat on an Audi A4?
Audi A4 (1994-2000 / B5) To replace the thermostat on an Audi A4, lift the vehicle and access the underside to disconnect the radiator hose and completely drain the coolant. …
How to Remove the Thermostat from an Audi A4
How to Remove the Thermostat from an Audi A4
Audi A4 (1994-2000 / B5) Do you want to remove the thermostat valve from your Audi A4 and don't know where it is located? Let's see in the following video where and how to re…

Other guides you may be interested in

How to Open the Fuel Filler Flap in the Hyundai i30?

In this tutorial, you will learn how to open the fuel filler flap in the Hyundai i30, a very simple operation that follows the typical procedure of most vehicles. First, unlock the locks using the designated button on the remote, then open the driver's door, locate the release lever on the left side of the seat, and operate it. Next, move to the fuel filler flap, open it completely, unscrew the cap, and refuel as needed. To close the flap, simply press it gently.

Watch the video!


by ScegliAuto

More videos