Brake Grinding Noise Help
#1
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Brake Grinding Noise Help
Hey guys, I have a grinding noise coming from what I believe are the front brakes. It happens when I apply the brakes and sounds like the brake pad is worn out and there's metal-on-metal contact but when I checked the pads, they are at 80-90% (rears have about the same amount left). I hear it the loudest just before coming to a full stop, from about 20 mph down to stop. I thought it was caused by rust on the brakes but after I wore off the rust, the sound is still there.
Any ideas whats causing the noise? It doesn't make the noise when I make a turn, which I think some members here have and I believe is a separate issue.
Any ideas whats causing the noise? It doesn't make the noise when I make a turn, which I think some members here have and I believe is a separate issue.
#2
Go on the highway, and give high pressure to the brakes, let it really grind down the rotors and LMK if it's still the same noise.
It sounds like rusting that happens on the rotors, but from what you said, you've worn it out so i'm at a stump too.
On a side note, which rotors and pads do you have?
It sounds like rusting that happens on the rotors, but from what you said, you've worn it out so i'm at a stump too.
On a side note, which rotors and pads do you have?
#3
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On a side note, which rotors and pads do you have?
#5
I had the same issue with the front brakes. The GS's are known for an almost metal on metal noise from the front brakes eventually. I then got new rotors and pads replaced at a Lexus dealer. The service technician showed me where the noise was coming from looking at the rotor. It's the contact near the edge of the worn rotor that's making the noise. I asked to get the rotors serviced which would solve the problem, but they claimed their machine was not capable of going to the edge like that and the rotor was too thin. I didn't buy it, but I got a good deal with the brake job, so I went ahead.
I believe there was a TSB on this brake issue if your car is under warranty.
I believe there was a TSB on this brake issue if your car is under warranty.
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#8
Oh my goodness, it looks like your rotor's about to fall off tbh..... Look at the middle hub.... There's cracks and holes there! WTH???
You might want to invest in new rotors n pads (better to get the pads done since they're cheap IMO).
That rotor looks like it'll corrode and break into pieces soon.... You don't want that at optimal driving speeds man.
You might want to invest in new rotors n pads (better to get the pads done since they're cheap IMO).
That rotor looks like it'll corrode and break into pieces soon.... You don't want that at optimal driving speeds man.
#14
you are looking at about 500 for new brake rotors and pads with labor at lexus if worst comes to worst
rotors are about 115 each as i just sold a customer that service 30 mins ago. hope u get it all figured out!
rotors are about 115 each as i just sold a customer that service 30 mins ago. hope u get it all figured out!
#15
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Older version of the GS350 rotors were closed in that specific area, but the new set of rotors that all GS350 come with and sold at dealership are like that. My car is currently in service, Once I get it back I will post up a pic of the rotors. I even remember EBC rotors came just like that also.
Last edited by GS350Lexus; 11-06-13 at 02:41 PM.