what is this hole for? 1994 gmc sierra 4x4 k1500
Asked by glentrs May 28, 2010 at 10:43 PM about the 1994 GMC Sierra 1500
Question type: Maintenance & Repair
I was changing the oil filter and noticed a hole, it has threads in it, seems to be an outlet plug for some kind of oil, the pan is shaped like a bloated belly its not tranny or oil pan. someone lose it or... I just got this oldie.