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Old 06-23-2007, 01:42 PM
vidvis vidvis is offline
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Join Date: Jan 2006
Posts: 8
vidvis is off the scale
Default Re: rare front differential oil leak

I thought about that Humtech, but again, there is no trace whatsoever of diff. oil getting past the shaft seal. I thoroughly hose everything down with parts cleaner before taking it out for another drive. The only traces of oil is on the perimeter of the flanges near the bolts - no sign of it running down the face of the flange or along the stub of the shaft or anything like that nor is there any trace of an oil leak anywhere on the diff. case

Yesterday I unbolted the half shaft from the output shaft again, and again found a small amount of oil in the space between the flanges as well as on the perimeter of where the flanges come together. I cleaned it all up and then applied a small amount of gasket sealer to the flange faces and bolted them back together.

I later drove about 60 miles on 3 seperate trips between city and highway and inspected for oil each time. No trace of oil anywhere whatsoever.

I have yet to unbolt the flanges and see if there is oil built up in the space I sealed.

Humtech, if I find oil in there, what would that mean? I thought the output shafts were solid. As for the half shaft, it does have an end cap pressed into it on the flange end that bolts to the output shaft, but it seems solid and I can't imagine something exactly resembling the clean gear oil I changed not that long ago coming from a half shaft.
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