play in the rear wheels

[Dfete1]

I jacked up the rearend today and both wheels slide in and out about 1/8". This is probably the reason for my rearend noise. What should I do? As soon as I get this taken care of, I'm planning a lift.

 

[Avanteone]

1/8" or so of play in and out is normal and acceptable. If you've got noise, it's something else. What year/model rear axle you working on?

J

 

[Dfete1]

Oh yeah.. I have a 91. chrysler 8.25, auto, 4x4,4.0 if that helps.

 

[Prepmech]

What kind of noise is it?

My 8.25 had at least that much movement, it is normal. There is some room between the cross shaft, c-clip, and spider gear for movement.

 

[Dfete1]

The noise comes on noticabley at around 30 and gets louder with speed. Once up to speed it's not as bad , but if you gas it it gets loud again. And coasting it pretty loud. It sound like it's louder on driver side.

 

[Prepmech]

What kind of noise is it?

Grinding
Squeeking
Rumbling
A throbbing rumble
metal on metal
ticking
growling
high pitched
low pitched
steady
thumping
etc...

 

[parkeruph]

My guess would be Ring Gear and Pinion Noise.
Hard to adjust out, normally calls for New Pinion and Ring Gear.

 

[Dfete1]

I guess it would kinda be a rumble that starts off low pitched and get higher and louder when gaining speed. It seems like I can find a sweet spot on throttle and it won't be as noticable.

 

[parkeruph]

Ring Gear Whines, Wheel bearings Rumble.

 

[djblade311]

don't forget that if you have recently lifted your vehicle without a SYE, then that could be a source of your noise. If it sounds more like a grinding, could be that.

Soo that begs the questions:

- How much lift if any?
- How many miles?
- Stock gears or aftermarket? Aftermarkets for the 8.25 are noisier.
- More on acceleration, deceleration, or both?

 

[Dfete1]

I have to fix this before I put a lift on it. 180K, stock everything. It's a little louder on acceleration.

 

[montanaman]

You sure the noise isn't a bad U-joint on your rear drive shaft? You can usually feel vibes with that also.

 

[Dfete1]

It does vibrate a little, but I put all new u-joints on already. Trying to cure this same problem. I opened up the diff. and the teeth look sharp and there was no metal on the magnet. I filled it back up with fluid and no difference.