I have the AC system cranking out some cold air. As for the leak, I ended up using some AL822 flux core to solder up the aluminum. It worked great, I would really recommend it if you haven't tried it.

Finally got back to working on this. I found the leak in the low press line behind the wheel well. http://i636.photobucket.com/albums/uu87/mnm3693234/0621172010a_zpsgfddwxin.jpg Since the leak is in the tubing bend, I'm considering cutting a few inches back where the line is straight and get a junk ...

What's the mileage and condition of such 18-year-old Suburban? Worth significant $$$ to fix? Excellent condition with a rebuilt engine and trans, so its worth saving. I thought about buying a newer one a couple years ago, but after looking at the prices, it was way cheaper to keep mine going for a ...

I've looked over the lines with UV light and don't see anything yet, so I pull the rear evaporator out see no dye on it or at expansion valve connections. I do a quick pressure check while evap is water and see no leaks, so I guess leak has to be in the lines. What a pain.

I'm working on my 99 Suburban which all of sudden developed a quick leak. It was working just fine one day and about a couple hours later it quit. I pretty certain I've isolated the leak to the rear evap or rear lines, which I determined by isolating and pulling a vacuum on the rear evap and lines a...