Rear end noise

ELVATO · Mar 22, 2008

Last weekend, a couple hours after having my tires changed, I was driving down the highway. I go to pass a car. Shortly after passing him, and as the speed was "winding down" I notice a strange sound.

Finally was able to locate it. Seems to be coming from the vicinity of the passenger side rear tire. It seems to come on from around 30 mph, and all the way up. It's only there when I have the foot on the gas. When I take it off, the sound more or less stops.

Here's some video from the third row area. This was turning on to a road, and going up to around 50 mph (there was a power truck in front of me.)
http://blip.tv/file/764879

Any ideas? TIA.

AvroAero · Mar 22, 2008

Are you talking that wirring sounds thats pretty evident and sounds dependant on speed or that clicking/thumping?

ELVATO · Mar 22, 2008

The whirring sound. In the beginning, tire howl seems to also be there, but it goes away, and just the whirring that's left behind, that's the sound I'm worried about. You can hear it by itself around second 24. Towards the end, that's just me passing over a section of bad road.

I have some other videos, but they upload slowly with this dial up

I was going to change out the tire with the spare, just to make sure it isn't the tire, but the Expy won't start. (That's another thread...*sigh*)

AvroAero · Mar 22, 2008

You sure thats not the wheel bearing? If not maybe they were stupid and didn't tighten the lugs properly or some crap. You said it happened right after you had the tires changed?

lol, seems like your full of luck with it right now.

JUST4FUN · Mar 23, 2008

im going with the wheel bearing too

ELVATO · Mar 23, 2008

Well, put in the spare, and it still makes the sound, so I don't think it's the new tires.

My dad doesn't think it's bearing, but either way, how would I check/change that?

Also checked the differential, and it has fluid (figured I might as well check to make sure.)

As a side note, how close are the pads supposed to be the rear rotors when the parking brake is off, and the tranny is in neutral? The pads seem to be on/touching the rotor.

mohs00 · Mar 23, 2008

just a thought...jack the rear end up as long as you are in 4x2 otherwise jack up frt and rear if in 4x4 and put it in drive and accelerate see if you hear the noise still also locate a stetascope (spelling) and listen to both other the rear bearings if one is bad it should make a loud growling noise....good luck

ELVATO · Mar 23, 2008

Yea, that's what my dad wanted to do, but we didn't have jack stands, and putting them up on just jack didn't seem very safe.

Guess I'll have to buy some tomorrow.

The sound has worsened after driving back up here. Now you can really hear it when I'm slowing down. *whir* *whir* *whir*

AvroAero · Mar 23, 2008

Don't forget about the A4WD if you can't go into 2wd btw

ELVATO · Mar 24, 2008

Well, here's a video of me spinning it by hand. I think it's coming from inside the tire, so that's where I recorded. It's the slight rubbing sound that I think is the problem. The squeaking sound is me spinning the actual tire.
http://blip.tv/file/770763

This is what it sounds like driving by slowly.
http://blip.tv/file/770769

Maybe this gives some of you an idea of what it could be. I think I'm just going to go to Greenway Ford, unless someone knows a better place here in Orlando.

TIA

Rear end noise

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