[Mainlube]

Originally Posted by rowan194

I changed my diff oil today to see if it would get rid of the whine at about 80-90km/hr... it hasn't totally eliminated it, but the noise is softer now. Thought I would give it a try as it only cost me $25 for a couple of litres of oil, and I already had a hand pump.

Anyway, I got to wondering. How often should diff oil be replaced as part of routine maintenance? I'm assuming what I drained today is factory original, so it's done nearly 200,000km. It looked in pretty good nick, a bit darker than the new stuff, but no sludge or bits of metal coming out of the drain hole.

Diff oil change

60,000 klm for abit of track work
100,000 klm for normal

Hope you flushed

Cheers

Steve