Nitrogen tests only one thing: does it leak statically. A test refrigerant tests everything. After it passes the test, which can last as long as you like, you put R12 back in. That's the official story.
-- Jim _______________________________________ http://www.okiebenz.com To search list archives http://www.okiebenz.com/archive/ To Unsubscribe or change delivery options go to: http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
