Did this job today. Piece 'o cake! 2 minutes tops to have the EGR Valve in my hand, 20 minute soak, 10 minute scrub, 10 minute soak in fresh cleaner, cleaned it up/off and 2 minutes to install with new o-rings and gasket. Waaaaaay too easy to do, no smoke on start up and it seems much happier now

Jim