Strange ‘knocking’ sound solved!

[Sk23]

Hi

I started driving today and there was a strange knocking that got worse with speed. I looked under the vehicle, felt around the tires to make sure nothing was rubbing, messed with settings, read posts online trying to figure it out. Turns out it was ‘reverse brake assist’ in settings. I turned it off and problem gone. Quiet as a feather. I’ve attached a photo if this happens to you. Settings > drivers assist > reverse brake assist. Toggle off!

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[Mach-Lee]

That doesn't make any sense, reverse brake assist would only be active while backing in reverse. Were you backing up when the noises happened?

 

[jremy7]

Had this very issue which was resolved using your method. Thank you very much for saving me the 90mn trip to the only Ford dealer near me that deals with EVs.
Update: Taking the Mach-E for service tomorrow (2/15/23). Dealer Service Department said they might have to keep the vehicle for a week!

 

[generaltso]

Ummm......but what if you wanted to use Reverse Brake Assist? Something's not right.

 

[dtbaker61]

Hi

I started driving today and there was a strange knocking that got worse with speed. I looked under the vehicle, felt around the tires to make sure nothing was rubbing, messed with settings, read posts online trying to figure it out. Turns out it was ‘reverse brake assist’ in settings. I turned it off and problem gone. Quiet as a feather. I’ve attached a photo if this happens to you. Settings > drivers assist > reverse brake assist. Toggle off!

does not solve it for me....

but on a related topic; I wish that 'cross-traffic alert' and 'driver alert' settings would STAY OFF when I disable them rather than reset every trip. I find these Alerts more distracting than the situation I have already seen. Even MORE distressing when passengers react with WATCH OUT or DID YOU SEE THAT after the fact.

My typical response has been "Yes Honey I saw that 2 seconds ago.... ignore the flashing lights and beeping and let me drive please."

@Ford Motor Company , are you listening ? PLEASE make these 'Alerts' stay off if disabled.

 

[AzCoronaDog]

Did you try higher octane fuel?

 

[SprManKalEl]

Did you try higher octane fuel?

Maybe faster electrons

 

[dtbaker61]

Did you try higher octane fuel?

on a more serious note.... I would suggest that the OP request the dealership pull brakepads on his next 10k,20k,30k and check for missing chunks of pad that may have stuck to rotors.

 

[AzCoronaDog]

on a more serious note.... I would suggest that the OP request the dealership pull brakepads on his next 10k,20k,30k and check for missing chunks of pad that may have stuck to rotors.

I like making jokes, but you are 100% correct, a reverse braking setting making noises in forward is not something to be ignored just because turning the setting off made it go away.

After all, brakes that don't work are the quietest brakes of all!

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