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I noticed a drip on the floor under my '79's rear end so out came the jack stands and flashlight today.
Diff is leaking from the drain plug. I sent the diff, t/a's & halfshafts off to VanSteel for a rebuild a couple of winters ago and they did an outstanding job. I failed to mention the leak from the drain plug before sending the parts in thinking they would magically know to fix the problem. So, what can I do about this? Put an O-ring on the drain plug? Teflon tape? New plug? Should I remove the limited slip diff lube tag from the plug?