Originally Posted by Petros
how can the diff fluid be factory fill? i thought it's supposed to be replaced at 1200 miles during the break in period? and further still it's supposed to be replaced every 3rd engine oil change. Did you only have 3 engine oil changes in 50000 miles?
That is news to me. I had oil changes every 5k. I don't think diff fluid change was part of any of them.
Since per factory specs oil changes are to be done every 10k, you're saying that diff fluid has to be changed every 30k? Is that right?