Mystery Squealing
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Mystery Squealing
My wife's 99 Malibu 3.1 132K has developed a nasty squeal.
The sound from the left rear wheel and sounds a lot like a brake squeal: metallic, high pitched and ringing. The squeal occurs under two conditions, when the car is rolling and the wheel is turned right with authority as well as when braking.
I removed the drum and saw no irregular wear. With the tire on, I tried moving the wheel from side to side and top to bottom and got no movement. My first guess is a bad hub, but how does it explain noise when braking?
Thanks in advance.
The sound from the left rear wheel and sounds a lot like a brake squeal: metallic, high pitched and ringing. The squeal occurs under two conditions, when the car is rolling and the wheel is turned right with authority as well as when braking.
I removed the drum and saw no irregular wear. With the tire on, I tried moving the wheel from side to side and top to bottom and got no movement. My first guess is a bad hub, but how does it explain noise when braking?
Thanks in advance.
#4
because you put hub to strain.
take as much of it apart, as you can, without removing hub. Try packing bearing with some solid grease, like GM with PTFA or, at least, spray something in, if possible. If it gets better - you got your answer.
Btw, I have same noise in my Silverado. I just turn music louder.
take as much of it apart, as you can, without removing hub. Try packing bearing with some solid grease, like GM with PTFA or, at least, spray something in, if possible. If it gets better - you got your answer.
Btw, I have same noise in my Silverado. I just turn music louder.
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Good input, but I'm convinced the issue is the hub.
I left out a detail that I now realize is important--the car was recently in a flood that was at least deep enough to reach the rear hubs. The driveway is angled so the front hubs weren't affected. The hubs are likely original and water must have penetrated the seal and caused some rust. After driving it a bit, the rust has worn away and the noise is gone.
The good news is I have some time before I really need to worry about it.
I left out a detail that I now realize is important--the car was recently in a flood that was at least deep enough to reach the rear hubs. The driveway is angled so the front hubs weren't affected. The hubs are likely original and water must have penetrated the seal and caused some rust. After driving it a bit, the rust has worn away and the noise is gone.
The good news is I have some time before I really need to worry about it.