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We took apart a broken VW EGR valve and were extremely surprised! Could it be that many EGR valves don't break because of carbon build-up, but that there is a completely different cause? Be curious and write to us what you think! We will also show you what an insane amount of work it is to install and remove the EGR valve on Caddy and Co., why we can hardly get any original VW EGR valves anymore and what the problem is when we install EGR valves from accessories.