WHen on the highway, anything over like 50mph, you can hear the back end humming. Its stock gears and everything. How do I make that nice and quiet? any help, please!

 

have fun buddy! you might have some bad bearings

 

i would change my fluid and inspect the diff. make sure to add the limited slip lubricant, available at auto zone or similar

 

how do i check it and how did i add fluid? its been doing it for months now

 

I have the samething with mine. I changed my fluid, not cause of the humming but cause it has 100k miles but it didnt change anything. I went to the shop and they told me that, that is just a normal thing for the stock rearend. It doesnt affect nothing really, does get annoying at times but oh well. Just upgrade to a 10 bolt or 9" if it gets to you too bad.

 

i had the same problem and changed my fluid, added limited slip lubricant, changed the bearings. result? the same problem goes on!

 

I had the problem too, not only was the rear end humming, it was squeaking, squawking, rattling - In a way it sounded like a haunted house!

We got it in the air on a lift, drained a little oil, and squirted in the entire bottle of GM's non-slip additive.

Worked like a champ! That quieted everything down - thank god.

 

There will always be some noise---it's not a Mercedes

 

thats what i thought lol

 

change the fluid with a good synthetic and add the gm additive. i bet the noise goes away.

 

you mean a 12 bolt I hope

 

Mines the same i quess Ill change the fluid.

 

Yeah, iVe heard that F-bods are notorious for that rear end Humming!, My Old 01 V6 Camaro did that on plenty occasions, My 02 SS does it only once in a great while, but does it none the less.

 

My v6 firebird did the same thing and the TA does it every once in a while, but not too often. I was told this was normal when I asked around about it.

 

ive done everything but still the same? what shuld I do ??

 

i just picked up my 02 z28 last night and i noticed a hum from my rear end. i thought it was just the tires. but im not gonna worry about it. its got 48000 mi on it so as long as it dosnt self distruct im good.

 

any idea?

 

Mine had a howl to it. Turns out I had bad bearings. Replaced them and no more howling....

 

The louder your exhaust, the less your rear hums/howls.

Its so odd how that happens...

 

i run 85w-140 non syn in mine, but i have a 12 bolt, quiet as a mouse, no problems here