G37 Coupe V36 2008+ Discussion about the G37 Coupe

Newer brakes squeaking, should I WD-40 them?

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Old May 12, 2023 | 11:51 AM
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spankgo's Avatar
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Newer brakes squeaking, should I WD-40 them?

I had new brakes installed in January and all was well until recently I’m hearing a squeal when I brake. Would WD-40 do the trick to stop the squeak on new brakes? If so how and where would I apply it? I’m not very car savvy so please explain to me like a 5 year old 😆
*Brakes were installed by a mobile mechanic, so trying to save the $90 service call if something as simple as WD-40 would do the trick.
 

Last edited by spankgo; May 12, 2023 at 12:03 PM.
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Old May 12, 2023 | 10:57 PM
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WD-40 will ruin your brake pads, do not spray it on the brakes.

First thing to do is pull the tires and inspect brake pad thickness to see if you're on the squealers or not. Your mechanic may have not greased the caliper slide pins and one side might have stuck and quickly ate the pad causing you to be on the squealers.

Did you have all four corners serviced when you got your brakes done or was it just front or rear?

Which corner is making noise?

Does it look like your tires are worn out and or/worn DIFFERENTLY on any of your tires? Compare the two fronts to one another and then compare the two rears, see if they're wearing evenly on both sides or if one side is significantly more worn down than the other which would indicate an alignment issue.
 
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