Brake Pedal Squeaks!

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PNW_IT_Guy

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Okay this might sound weird, but the brake pedal on my 2010 Yukon SLT squeaks when I press it. 100% it is inside and is NOT an issue with brake pads/rotors. Clearly not a big deal, but it drives me nuts. It's especially bad when I drive through my apartment complex with all the stupid speed bumps.

I have tried WD40 and white lithium grease to lube up any pivot point that I could find, but it STILL squeaks. It kinda seems like it gets worse during the winter. I thought I had it taken care of over the summer, but now that it's cold again the squeaky-squeak is back!

Any thoughts on what I could be missing?? Anyone else deal with the same thing?
 

strutaeng

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I have the same issue on my 06. Do you have the adjustable pedal feature? I'm starting to suspect it's that on mine.

My pedals have always been all the way to the bottom. I recently adjusted them mid-way and squeaking stopped for a few days, but I think it's back...(?)


I'm thinking maybe I should replace my brake pedal with the non-adjustable version?. But I haven't decided yet.
 
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petethepug

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Get a mechanics stethoscope and isolate the squeak. Then you can work on attacking it at the source.
 

Foggy

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Try a better lubricant !! wd40 won't hang on... lithium is hit or miss.
 

Foggy

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I found this screwing around on the parts web

I've also experienced the brake pedal squeek off and on
I don't know anything about this part. If someone knows , chime in

It's listed as a "brake pedal bushing" on RA
 

j91z28d1

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mine did it when I got it.. drove me nuts. like ready to pull the whole pedal box. I was able to spray enough lube up there they it would stop for a few days and come back. adjusting the pedal height would make it go away too. but I'm to tall to drive around like that.


after months of randomly messing with it, I figured out it was the spring. the tang that goes again the metal plate of the box, the tip of it digs into the metal and squeaks. I moved it twice by prying it over to a fresh spot but it would work it's way back. after a few trys I was able to bend up a piece of metal so I could pry the spring tang up, and stick a cut up piece of conveyor belt and jam under there.


hasn't made a noise in over a year. I don't really drive around with the radio even on anymore. I work around so much loud noise I am sick of it. so just turning up the radio wasn't an option haha.
 
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PNW_IT_Guy

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I have the same issue on my 06. Do you have the adjustable pedal feature? I'm starting to suspect it's that on mine.

My pedals have always been all the way to the bottom. I recently adjusted them mid-way and squeaking stopped for a few days, but I think it's back...(?)


I'm thinking maybe I should replace my brake pedal with the non-adjustable version?. But I haven't decided yet.
Sorry for going silent. I apparently don't get notifications from here. I actually saw your post right after posting mine. I do have the adjustable pedals. I'm not sure that has anything to do with my issue though, as I tried moving them back and forth and STILL heard the squeak.

I like the idea of the mechanic's stethoscope and I'll have to investigate about that spring (if I can figure out where it's at and get to it).
 

j91z28d1

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It may or may not; it depends on the "Preferences" settings in your account.

yeah. mine was all default to off. had to go in and manually turn them on.

I think most of these people that pop and and never come back don't even know someone answered their question.
 

j91z28d1

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but for anyone that does find this thread. if you have a squeaky brake pedal, that seems to come and go randomly, if you have adjusted pedals, and they are always fully down and then move them up about half way and it seems to go away. the fix for me was this sping tang. it's hard to see and even harder to get to. but it drove me completely nuts diving it. like rather take the other car than even drive the thing lol.

you'll see in the pic if you can zoom in, I put a scrap piece of rubber conveyor belt under it where it was digging into the steel for years. but any thick rubber under it would work. i tried a small rubber vacuum cap over the tip first but it ate right thru that and then I couldn't get it off, so it's still in the pic haha



Img_2025_03_08_18_54_43.jpeg
 

alpha_omega

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I found something similar on my 2011 Denali. Tried spraying and praying. Nodda. Mine seemed to start after having someone “help” me bleed the brakes.


“YOU WANT ME TO PUSH THE BRAKE NOW? I CANT PUSH ANY HARDER. TEN TIMES RIGHT?”

Wth? Nope! Just sit in that chair. I’ll use my Motive Power Bleeder.
 

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