Do it yourself
Frequently asked questions about cars and motorcycles

How to Replace the Thermostat in an Alfa Romeo 159

Model: Alfa Romeo 159 MK 1 - Years 2005-2011
Part: Thermostat

In today's video, you will see how to replace the thermostat in an Alfa Romeo 159. This tutorial also applies to the other two models in the same family, namely the Brera and the Spider. First, remember to work only with a cold engine to avoid issues. Open the bonnet. It is advisable to disconnect the service battery to prevent problems. Locate the thermostat, positioned on the right side of the engine bay, at the bottom. Disconnect it from its connector and remove it. Then, insert the new unit and test its operation. Finally, complete the job.

Updated on 27 June 2026 by ScegliAuto

Video tutorial

Related tutorials

Alfa Romeo 159 (2005-2011 / MK 1) Before you can start, open the tailgate of the boot on your Alfa Romeo 159. Begin by moving the carpet that covers the fixing nuts of the rear light.…
Alfa Romeo 159 (2005-2011 / MK 1) Before you can begin, open the bonnet of your Alfa Romeo 159. Start by removing the hoses and collectors located above the starter motor by unscrewin…
Alfa Romeo 159 (2005-2011 / MK 1) Before you can start, open the rear doors of your Alfa Romeo 159. Begin by unscrewing and removing the bolts that secure the lower bench of the rear …

Other guides you may be interested in

How to Replace the Cabin Filter on the Opel Grandland X

If you own an Opel Grandland X and want to know the steps to replace the cabin air filter, carefully read the following guide and follow the described steps. First, enter the vehicle and go to the passenger side. Then, locate the box containing the air filter in the lower side area of the dashboard. Remove the cover of the box and finally replace the old filter with the new one. Refit the cover, and you are done.

Watch the video!


by ScegliAuto

More videos