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

Instructions for Replacing the EGR Valve Cooler

Model: Volkswagen Passat B6, 3C - Years 2005-2010
Part: EGR valve

The EGR circuit collects some exhaust gases at the outlet and re-injects them into the engine's air intake: the main advantage is that NOx is reduced at the source, limiting the quantities produced during the combustion process, rather than through post-treatment of exhaust gases. The EGR cooler cools the exhaust gases before they enter the engine to improve temperature management. By cooling the gas, the combustion temperature is reduced, and the amount of NOx particles formed at high temperatures is decreased. The EGR cooler is located next to the engine's exhaust manifold, and the acidic action of the gases can damage it, leading to leaks of coolant and necessitating replacement.

Updated on 16 February 2026 by ScegliAuto

Video tutorial

Related tutorials

How to replace the EGR on a Volkswagen Passat
How to replace the EGR on a Volkswagen Passat
Volkswagen Passat (2014-2023 / B8, 3G, MK 8) Replacing the Exhaust Gas Recirculation (EGR) valve on a Volkswagen Passat is a task that requires precision and attention. Make sure the engine is c…
How to Remove the EGR Valve on the Volkswagen Passat 2.0 TDI
How to Remove the EGR Valve on the Volkswagen Passat 2.0 TDI
Volkswagen Passat (2005-2010 / B6, 3C) Briefly follow the main instructions to dismantle and remove the EGR valve from the Volkswagen Passat 2.0 TDI. First, open the bonnet of the vehicle …
How to Replace the EGR Valve on a Volkswagen Passat 1.9 TDI
How to Replace the EGR Valve on a Volkswagen Passat 1.9 TDI
Volkswagen Passat (2005-2010 / B6, 3C) In this short and simple guide, we will outline the steps to remove and replace the EGR valve on a Volkswagen Passat 1.9 TDI. First, open the bonnet …

Other guides you may be interested in

    Frequently Asked Questions

    • Passat 2005-2010 - Where is the EGR valve of a Volkswagen Passat located? Read answer

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