re changing oil by self in article apr cbnewsj cb att com rdb cbnewsj cb att com ronald j deblock jr writes you can avoid these problems entirely by installing an oil drain valve in place of the bolt i have one on both of my cars there have been no leaks in miles combined miles on both cars yes but then someone would have no problem draining your oil in a parking lot all they have to do is reach underneath turn a valve and forget the trip home but there is less likelyhood they have a wrench with them i personally recommend installing a special locking drain plug to keep vandals away steve
