1988 v12 - air con inside temp

[wolf_walker (rex)]

Photos aren’t great but there are a few here I believe:

1994 4.0 HVAC problems

AJ Coulda been any of the POs that changed it. Whoever did didn’t put a sticker on it and of course the other(s) didn’t or even cross through with a marker. Not unusual But the fittings are definitely R134. N2 is nitrogen. It’s used instead of air when pressure testing. Air can react with old Freon and form acids. You will have to evacuate the system afterwards anyway but N2 is what is normally used The 134 swap kits supplied back in the 90s never included the TXV, so it’s going to be for R1…