have a vacumn line hanging down from front axle housing.is it a vent or need to be connected some where else
It might be the vacuum line to engage the front hub.
Can you find an unconnected nub anywhere within reach?
do you know where i can get a diagram?
Look for something like this on the front axle.http://www.autozone.com/shopping/repairGuide.htm?pageId=0900c152800a9ea7