Originally Posted by conmam

Here is a very simple tool that I fabricated ( Took me 15 minutes to do a good fabrication job) in order to drive that stupid vent pipe into the Nismo diff cover. This tool works every time rather that getting my head beat out banging the breather pipe in while trying to align it.

Simply take your 3/8 inch drive 9mm socket and carefully cut out the part shown in order to accommodate the part of the pipe sticking up. Drive the breather pipe in nice and straight.....