So I just changed differential fluids, and when i did, color was a very off-white cream which probably meant water ingress in the past when i drove through some floodwater.
In hindsight i forgot that maybe I should have flushed it first with extra fluid but I forgot to.
So i just have two concerns:
Will not flushing again basically contaminate my new diff oil and harm my differential?
And i noticed my diff drain plug surface area was covered completely in metal powder. Ive been driving like this for about 7,000 miles. Was this a sign of significant damage?
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