Fuel Pump Testing and Fuel Issue Diagnosis (Page 3/3) theogre MAR 24, 03:43 PM quote Originally posted by Patrick: Maybe there are different rules in different jurisdictions... but out here, the wrecking yards puncture the bottom of every gas tank. I guess it's done to fully drain them. Unfortunately, this procedure certainly cuts down on the number of good used gas tanks for any vehicle around here. I've never seen a "law" requiring that but many companies will punch fuel tanks & more to drain most fluids to save labor hr. Some places may have a law/rule requiring that because of so many "junk yard" fires. Near me yards cannot stack cars like old TV show junk yards because of pollution & fires even before the "Green Agenda" got normalized. They used to stack a lot then sold as 1 piece then that Scrap Co hauls or a lot of time crush & hauls leaving a lot of oils etc. on the ground.