As I'm in the process of taking my AC system apart, I was wondering if anyone knew off-hand the size of the large nut on the AC hose in the attached photo? The largest open-end wrench I have is 7/8, and that's to small.

In addition, I was wondering what the best way was to loosen that nut and the one in the other photo without over-stressing anything, as I can't seem to get a counter-hold on anything in the second photo?

Also, are these nuts things that normally have to be torched before you can loosen them.

Thanks in advance.

Bill

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Bill
1981 380sl

No photo is attached?

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2005 Pathfinder LE
2001 E55
1998 M3
1982 320i

For some reason, now, when I try to upload the photos, I get a message saying I already attached them in this thread. But I don't see them, either.

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Bill
1981 380sl