Brake Pedal to Auto Hold - Donkey sound?

DCYL725

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Are any of you guys/gals getting the occasional donkey squeal when engaging auto-hold at a red light?

I get it maybe 10-20% of the time. Doesn't bug me yet but was wondering if there are any safety issues or mechanical problems leading to the squeak.
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We're getting a sound when decelerating, at low speed, as the brake pedal is being feathered to achieve a smooth stop. This sound presented about a week after we got the car, and has gotten more pronounced, with longer duration...from being barely noticeable, to very noticeable. I'll record and post it.
 

W1NGE

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Are any of you guys/gals getting the occasional donkey squeal when engaging auto-hold at a red light?

I get it maybe 10-20% of the time. Doesn't bug me yet but was wondering if there are any safety issues or mechanical problems leading to the squeak.
No donkeys here.
 


Yorkshirepuds

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I get something similar when hard pressing the brake to engage 'HOLD', although mine is more of a 'fart' than a donkey :oops:... happens more rarely than yours though (maybe only about half a dozen times in total in the couple of months I've had the car). It's a very realistic trump noise though and pretty embarrassing when I have to explain to a passenger that it's the car that made the sound and not me... I can sense their disbelief!

Sounds to me like it could be a couple of pieces of leather on the seats rubbing together so I'm waiting to see if it disappears as it wears in a bit.
 
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DCYL725

DCYL725

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I get something similar when hard pressing the brake to engage 'HOLD', although mine is more of a 'fart' than a donkey :oops:... happens more rarely than yours though (maybe only about half a dozen times in total in the couple of months I've had the car). It's a very realistic trump noise though and pretty embarrassing when I have to explain to a passenger that it's the car that made the sound and not me... I can sense their disbelief!

Sounds to me like it could be a couple of pieces of leather on the seats rubbing together so I'm waiting to see if it disappears as it wears in a bit.
Yep.. mine sounds like a fart too. And a donkey squeal.
 


W1NGE

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I get something similar when hard pressing the brake to engage 'HOLD', although mine is more of a 'fart' than a donkey :oops:... happens more rarely than yours though (maybe only about half a dozen times in total in the couple of months I've had the car). It's a very realistic trump noise though and pretty embarrassing when I have to explain to a passenger that it's the car that made the sound and not me... I can sense their disbelief!

Sounds to me like it could be a couple of pieces of leather on the seats rubbing together so I'm waiting to see if it disappears as it wears in a bit.
Why hard press when a squeeze will do (to engage hold that is)?
 
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DCYL725

DCYL725

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Why hard press when a squeeze will do (to engage hold that is)?
Winge, the voice of reason on this forum as always!

Because sometimes you just want to press harder.
 

Yorkshirepuds

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Why hard press when a squeeze will do (to engage hold that is)?
Hmmmm... I'm happy to go along with calling it a squeeze, probably a better description than 'hard press'.

It still farts though. 🙈
 

ciaranob

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Hmmmm... I'm happy to go along with calling it a squeeze, probably a better description than 'hard press'.

It still farts though. 🙈
Perhaps the hard press is accompanied by a butt clench and related fart due to leather pinched :)?
 

soawjo

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Yes, I get this sometimes but like @Yorkshirepuds it more of a fart noise than a donkey. It happens when the car is 'cold' and the regen braking hasn't kicked in. Once the regen braking starts it stops
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