ok, need opinions. Axle noise after fluid change
01-19-2011, 02:27 AM
#1
ok, need opinions. Axle noise after fluid change K guys, I've rebuilt a few rear ends and I've changed fluids in all of my vehicles for years now with no issues, but my 99' Z has me annoyed. I was doing some normal maintenance which included changing the rear diff fluid, cleaned everything up and filled her up with Lucas Heavy Duty 80-90 gear oil. I know my torsen diff doesn't "need" additive but it's already in the Lucas oil. Well after the fluid change, now I get a whine when turning at slow speeds. Part of me thinks axle bearings, the part I don't want to listen too is wondering about the diff, but then I think, it was fine before the fluid change and was driven all highway to work (and driven easy) and I noticed it when I was driving around the parking lot at work. Almost sounds like that new tire "whine" you get in parking lots but I drive a short dirt road on the way to my house and it makes it on dirt so it's not the tires. I just find it odd that it was quiet before the new fluid and now it's not. 
01-19-2011, 02:33 AM
#2
01-19-2011, 11:12 AM
#3
I think it's more my curiosity as to why it happened. It's not horrible and I can live with it but there's that part of me that wants to know why. I'm gonna swap fluids and see what happens but I just find it weird that just the fluid would cause it or that something unrelated to the fluid change magically went out at that time.
01-19-2011, 12:24 PM
#5
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if your rear does not need the "additive" and your lub has the "additive" in it I would invest in a bottle of "additive" ( 10 bucks), you may find it to be a cheep fix
Johnny
Johnny
