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Squeak at stop (from all 4 wheels)

Vic20

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My son and I both have Lightnings, my son has a 2024 Platinum, I have a 2024 Flash.

Today (3/8/2026 he showed me that his truck suddenly makes a squeak noise when stopping - like a brake pad squeak or grunt) right at the very last second of stopping. So in the driveway, it is possible to just get on the brake and lift off, and we hear the noise each time - no problem making the noise 20 times in the span of a short drive way. He said it just started. One can definitely here it in the cabin.

I tried my 2024 Flash, and I have the same noise, but only from the front. I just never noticed it.

Note: The rotors look good, he only has 17k on his Platinum, I have 26k on the Flash. It doesn't seem to be a bushing or shock squeak because everything is quiet on all bump roads, at either normal or crawl speeds.

Any ideas?! I could not find a match on this forum. I'll put in the word squeek here too in case that helps others find it - for the longest time I thought that is how the word is spelled!
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chriserx

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I can only guess that it's when the calipers actually engage. You can try a test on a steep-ish hill/garage and see if the pattern changes. Also can try 1 pedal drive vs 2 and more aggressive stopping.

Edit:
Also, just to be clear, are you certain it's not the brake actuator, it's kinda squeakish sounding but more electronic sounding.
 

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Try running at a good speed, in a parking lot, desolate road or as you're rolling onto an exit ramp from a freeway {Mass Pike}, move drive selector to neutral, apply the brake pedal to engage full hydraulic braking action, repeat when possible, hopefully this beds in the pads & rotors more and removes any built up surface rust on outboard/inboard surfaces.
 
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Vic20

Vic20

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I can only guess that it's when the calipers actually engage. You can try a test on a steep-ish hill/garage and see if the pattern changes. Also can try 1 pedal drive vs 2 and more aggressive stopping.

Edit:
Also, just to be clear, are you certain it's not the brake actuator, it's kinda squeakish sounding but more electronic sounding.
Okay, Thank you, I'll try. So do you think that when we push the brake, the calipers only engage at the very last second? If that is the case, maybe that is it, because it is only at the very last second, or half second, it is not on deceleration, only the very moment before coming to a stop.
 
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Vic20

Vic20

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Try running at a good speed, in a parking lot, desolate road or as you're rolling onto an exit ramp from a freeway {Mass Pike}, move drive selector to neutral, apply the brake pedal to engage full hydraulic braking action, repeat when possible, hopefully this beds in the pads & rotors more and removes any built up surface rust on outboard/inboard surfaces.
Okay, Thank you, I will try this too - yes, it is as if all pads are glazed or something like that, a type of grunt at the end, but more like a squeak grunt, or more like a quack-quack sound, one quack right before the wheel stops rotating and the body lifts, and another quack sound when the body squats just a little bit.

I thought since it is associated with a little body lift and a little body squat it was suspension, or bushings, but it is pure silence over any bumps when the body and chassis are doing a little dance.
 

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K6CCC

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I've heard that a few times on my 24 Flash with 18K miles. So far the only time I have heard it is when I pull out of the driveway and brake a bit at the dip at the gutter. Obviously the speed is very low at the time so only the friction brake doing anything.

Try running at a good speed, in a parking lot, desolate road or as you're rolling onto an exit ramp from a freeway {Mass Pike}, move drive selector to neutral, apply the brake pedal to engage full hydraulic braking action, repeat when possible, hopefully this beds in the pads & rotors more and removes any built up surface rust on outboard/inboard surfaces.
I will also give that a try.
 

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Being a former Model Y owner, about two years into Model Y production, Tesla changed their regular maintenance schedule, adding annual brake caliper lubrication for places that have real winter and salt on the roads.
 
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Vic20

Vic20

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Being a former Model Y owner, about two years into Model Y production, Tesla changed their regular maintenance schedule, adding annual brake caliper lubrication for places that have real winter and salt on the roads.
Okay, thank you, I'll try to take the wheels off and lube some any slides, etc.
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