I removed the Dual Converter Y Pipe for better access to the EGR Tube. Long process up to this point is in a post over in Exhaust. Lower nut on the EGR Tube was in a position where because of the angle on the open end side of the wrench I couldn't hit it with a hammer, the lower end of the wrench was right up against the frame rail. I put an extension on the wrench to give me more leverage using a piece of 1 5/8 fence pipe I got from HomeDepot, squeezing it in a vice to get the box end to fit in the pipe. First tried my 3-in-1 butane mini-torch on the nut which gives good focus but not enough heat, so I blasted it the map gas. This is all after several days of periodically squirting it with PB blaster while working on other parts of the project. PB Blaster doesn't come with a red tube anymore, find an old tube and attach it anyway for better focus to squirt the nut from the top rather than from underneath. Couldn't get the nut to budge at first so heated, put the wrench and extension on it and hit with a hammer a few times, when it didn't move squirted more PB Blaster on it and let it sit a while and repeat. After about four iterations of this (of course I was extra careful so as to not damage the EGR Tube) I finally got some movement in the nut. Worked it back and forth with my 1 1/16 combination wrench and unscrewed it from the exhaust manifold. Now on to what should be the easiest part, disconnecting EGR Tube and Valve from the top.
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