If your system is charged you'll want to go to the A/C shop and have the refrigerant evacuated and recovered anyway, both from a protect the planet and your wallet perspective!
PANTERA INTERNATIONAL
A DE TOMASO CAR CLUB
Presents the De Tomaso Forums
The On-Line Meeting Place for De Tomaso Owners and Enthusiasts From Around the World
Clicking on the banner will take you to the sponsor's website.