Posted 5/31/2009 21:40 (#728611 - in reply to #724390) Subject: Re: A/C to use dye, or not to use dye?
The best is nitrogen at 300 PSI. I test for 1/2 hour and can't drop. If it drops thats a leak. I use the sniffer ( E L D ) with nitrogen pressure to find the leak. I always put dye in after the system has be flushed and repaired. Its good for the next leak!@!
A/C to use dye, or not to use dye?
