Vehicle fuel tank anti-siphoning system comprises perforated tube fixed in filler neck and anti-theft screw for drain plug

摘要

The anti-siphoning system consists of a tube (3) that screws into the original filling neck of the tank and is perforated with holes of 4 - 15 mm diameter. It has an oval bottom plate (4), also perforated and folded about a centre line. In addition, the tank drain plug is replaced by a screw with a truncated conical head that can only be undone by a special key.