Try this stuff, Nylog: http://www.acsource.com/cgi-bin/SoftCart.exe/scstore/p-RT200R.html?L+scstore+qygr3469+994458624

You can also find it at AireCo (nationwide distributors). At a minimum you use the oil that is in the system.

Also, If they were using sealant (e.g RTV) forget it. Someone had a brainf@rt. Antisieze on threads is not a bad idea. Be very careful about contaminating the lines though.

Oil. Flush it all and go with http://www.acsource.com/cgi-bin/SoftCart.exe/scstore/polyalpha/polyalpha.html?L+scstore+qygr3469+994458624 It's manufactured by http://www.rocoil.com/rocoil2.html

Great board at http://www.aircondition.com/wwwboard/ for discussing automotive a/c.

Good luck. I'm getting ready to convert two R-12 systems to R-134.

__________________
S, J.R. Brown
2000 G500 LWB Obsedian Black
2005 Toyota Tacoma Access Cab Off Road Sport
1993 Volvo 240 Sedan Anthracite
1980 450SEL Champange (owned it for 15 years. Great car)
1986 280GE LWB Anthracite (Sold it and kinda wish I hadn't)