re changing oil by self rist another dealer service scam in article qk m pbe news ysu edu ak yfn ysu edu john r daker writes i was worried about someone stealing my oil once also i finally decided to just have my drain plug welded shut it works great i figure that when i add three or four quarts when the oil light comes on every month or so that it s just as good or better than the old wives tale of changing the oil and filter every miles works for me i must say i did the same thing to my drain plug for the same reasons i was wondering how you filled your crankcase though as i welded my hood shut also out of fear that somebody might steal my air filter oh come on silly all you have to do is cut a hole in your hood and put a tube there so you can get to the oil fill hole what do you think all those big air intake things are for on those hot rod cars they re just for looks only little does anyone know they provide access to the oil fill hole well over where we live we have problems with vandals stealing people s wheels those locking nuts didn t stop them so to be safe and sure i welded the lug nuts to my wheels together it works serious i haven t had my wheels stolen yet
