I have a major oil leak in a 97 VW Jetta GL. It is coming from the fixture that the oil filter screws into. When the car is started the oil is coming out of " A" where the top round piece connects with the square fixture that the oil filter screws into. I'm pretty sure that I need to remove "B" and replace a seal of some sort. Or maybe I need to replace the whole fixture. I have a Haynes manual, but it doesnt have any diagram for this that I can find. I need to know the name of the parts that are shown in the picture and if anyone can tell me the easiest way to fix this problem that would help a lot. Thanks.