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I tried reading through other threads, but didn't find any problems that exactly matched mine. This noise, which is a whinning/squealing/kinda-rubbing noise, sounds to be coming from around the front, left wheel. It started about a week ago when I would drive over any type of dip that would cause the wheel to maybe drop just a little into the dip. The noise was only lasting 1/2 a second or so, but yesterday it happened more frequently and would last up to 10 seconds. I've heard it in a wide range of temperatures, but yesterday was the coldest day we've had in a while. I thought maybe the cold had something to do with it, but this morning it didn't happen at all. It's probably an easy issue, but I'm lost. I've had bearings go out and that's not what this sounds like.
Could be bad wheel bearing or spindle bearing if it is a 4wd. I just changed my front wheel bearings and they were making a noise when turning. With ac on I could not hear it. Only when moving truck to shop with windows open and ac off could I hear it in a turn. If it is a bad bearing you don't want it to fail while driving. I would pull the wheel and check it out.
I'll check the bearings, but don't believe that's the problem. Like I said, I've had bearings go out in the past and it's not the same noise. This noise is louder and it comes-and-goes very distinctivly. It's almost like driving on rumble strips, but without the vibration and maybe not quite as loud.
Does it change/go away while braking? Does turning the wheel at that time make any difference? Just throwing some scenarios out there to maybe narrow down the focus.
Try jacking up the truck and grabbing the tire and see if there is any play. Lots of play may be a bad ball joint. Also, like what Barry suggested, is your 4x4 hubs locked or stuck?
What about when you hit a bump? Does it seem start/stop when you hit a bump and keep on going? If so, those are the same symptoms as my steering damper. Go out and check the damper, make sure theres no fluid or anything leaking from it.
We think we found the problem. The plastic or rubber pads on the front leaf springs are gone and the leaves are rubbing each other. Also found that I have to replace all the ball joints AGAIN. Going to replace the shocks and u-joints while we have it all apart.
Anybody know where to get those pads for the leaf springs?
I'll check the bearings, but don't believe that's the problem. Like I said, I've had bearings go out in the past and it's not the same noise. This noise is louder and it comes-and-goes very distinctivly. It's almost like driving on rumble strips, but without the vibration and maybe not quite as loud.
Classic symptoms of a bad wheel bearing.
The description that I give customers on the phone is that it is like driving on a grated bridge deck.
The kind that you can see the river through the road bed if you look down while you are crossing it. If you are on a motorcycle and fall off the bike, it will be like falling on a cheese grater at 60 mph.
Originally Posted by Capt.Schenk
The hubs are both unlocked. Braking doesn't seem to stop the sound when I hear it, but swerving back and forth lightly stops it.
You are alternately loading and unloading the bad spot on the wheel bearing race.
Again, classic symptoms of a bad wheel bearing.
All it takes is a little tiny chip in the surface of the bearing for it to sound like the wheel is getting ready to fall off.
Originally Posted by Capt.Schenk
We think we found the problem. The plastic or rubber pads on the front leaf springs are gone and the leaves are rubbing each other. Also found that I have to replace all the ball joints AGAIN. Going to replace the shocks and u-joints while we have it all apart.
Anybody know where to get those pads for the leaf springs?
Add these to the list as you are replacing the wheel bearings.
Classic symptoms of a bad wheel bearing.
The description that I give customers on the phone is that it is like driving on a grated bridge deck.
The kind that you can see the river through the road bed if you look down while you are crossing it. If you are on a motorcycle and fall off the bike, it will be like falling on a cheese grater at 60 mph.
You are alternately loading and unloading the bad spot on the wheel bearing race.
Again, classic symptoms of a bad wheel bearing.
All it takes is a little tiny chip in the surface of the bearing for it to sound like the wheel is getting ready to fall off.
Add these to the list as you are replacing the wheel bearings.
YES Ref my post #2. I agree that you have covered all the issues why I think it is a wheel bearing.