Differential oil leak since changing

[Dave1027]

The diff was clean before but since I replaced the oil and put in M1 synthetic the diff seems to have a slight leak so that half of it now (10k mile later) has an slight wet look to it. I know synthetic oil can seep through tinier cracks. Anybody else notice this?

I guess I will degrease it and try to ascertain exactly where it's leaking from and go from there.

[bshovers]

The diff was clean before but since I replaced the oil and put in M1 synthetic the diff seems to have a slight leak so that half of it now (10k mile later) has an slight wet look to it. I know synthetic oil can seep through tinier cracks. Anybody else notice this?

I guess I will degrease it and try to ascertain exactly where it's leaking from and go from there.

I had a leak as well. I went the route of just pulling the diff cleaning it really well and sealing it back up with RTV. A paper gasket used to be available to purchase but has been discontinued. This solved my problem. Hopefully some other may have more helpful info. Maybe replace the seals?


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[Dave1027]

Kinda looks like my leak is coming from the axle shaft seal. Doubt it's the drain plug. I did tighten it to spec.

16158

[Avetiso]

Unfortunate coincidence?