GS - 3rd Gen (2006-2011) Discussion about the 2006+ model GS300, GS350, GS430, GS450H and GS460

Brakes squeaking while steering

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Old 08-09-11, 04:37 PM
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RudeDoggy
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Default Brakes squeaking while steering

Hello All,

Before everyone thinks this is another thread about squeaking brakes when braking, my question is a bit different. I think.

When I am at full steering wheel lock to the left and moving forward slowly (e.g. when maneuvering in a parking lot) I will get this scraping/squeaking sound. This won't happen if I turn to the right or if I'm turned to the left and reverse. It only seems to happen when I turn to the left at full lock and move forward.

I remember I had this problem when I first got my brake pads replaced at the dealership last year under the TSB for squeaky brakes, but I can't remember what they told me was the problem or the solution, but whatever they did got rid of the problem for a year or so. I think it would be hard for me to go back and get them to take a look at it, especially now that I'm out of warranty.

Does anyone know what is happening here and/or how to fix this? Any help would be greatly appreciated!

P.S. Anyone ever hear of their driver's side airbag shorting, resulting in requiring a new airbag? My car was throwing an SRS code and my independent mechanic deduced that this was the problem/solution. He reset the code and the light hasn't come back on yet in the past 5 days so I'll have to see if it comes back or not...
Old 08-09-11, 07:27 PM
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gridlock13
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it could possibly be the same problem i had. when i turned right i would get a scraping sound like i was dragging an empty coffee can. ended up being the rotor scraping against the dust shield. when i changed my brakes i found the spot and just bent the shield back a little. presto! sound is gone!

if it sounds like rocks rattling in a can though, that means the boot around the axle joint is torn and dirt has gotten in. hope this helps.
Old 08-09-11, 09:58 PM
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GS350Lexus
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If that sounds only comes on when you are fully at the steering lock and moving forward, it is a dust shield scrapping against the rotor. I had the same thing happen to me out of the blue, first it was the right side then the left side. All I did was take a 8" flat head screw driver and push against the dust shield. Did it in 4 places of the dust shield (top,bottom,right and left) without taking the wheels off. Remember you really need to push hard that dust shield is solid metal.
Old 08-10-11, 06:24 AM
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RudeDoggy
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Thanks guys! You guys are awesome! I think this is most likely what is happening. The dust shield is the black disc (for lack of a better description) that sits behind the rotor, right? I will give it a shot after work today. Thanks again!
Old 08-10-11, 11:32 AM
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gridlock13
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yessirrrr good luck!
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