Are you using a hose for R-134 or R-12? If you hook those little cans of refrigerant to the high side port, they can explode and cause frostbite and blindness. If you aren't sure, you might be safer to have AC work done by the professionals. If you do tackle this, be sure to wear safety glasses at a minimum. Most professionals also wear face shields.
Sunday, June 19th, 2011 AT 10:36 PM