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Brand new car...So I actually noticed this once on day 2, during hard braking while going around a bend that had a defect in the road that I did not anticipate. A clunking noise in the rear of the car...

Today, again during a sharp turn where I was riding the car somewhat quickly I heard the knocking. Reproduced EASILY there after. Accelerate to 35 mph, straight or through bend, and push down the brakes somewhat harder but no need to hit them hard. Knock knock knock which slows as the car slows. My wife gave me the 'uh oh' look because she knew this purchase was a gamble and a purchase based on emotion.

I then noticed this thread which seems to have closed out last year. https://www.giuliaforums.com/forum/...s-problems/13226-brake-knocking-noise-16.html
At first it seemed there wasn't much hope early in the thread above, but now it seems there is rotor cutting and pad scratching required to resolve. Not too keen on this especially as this will remove material and as this is a new car , wondering why it is still an issue.

My car was manufacturer in Nov of 2017 unfortunately. When I saw it was in transit to the dealer where my local dealer traded from, I was hoping for a newly produced car. The car has dusty dirt I noticed too in all the crevices of the exterior they couldn't wash away. This car must have been near brown dusty dirt for months before being shipped back to port then to another dealer my local dealer traded with.

Here's the kicker, the dealer that received the car before my local grabbed it, did some sort of pre-delivery thing where they put on new rotors/pads due to 'rot lot'. So while this car was built in Nov 2017, if they put all new rotors/pads on that must mean Alfa is still distributing pads/rotors that are just a bit too thick or have some sort of protectant glaze on them that is causing this knocking issue.

Not too happy about this. Coupled with my acceleration lag that has gotten worse now...I'm less happy. Overall I'm still smiling when I drive but you have to look a bit closer for the smile.
 

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I would just take it to the dealer. They will fix it.
 

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Brand new car...So I actually noticed this once on day 2, during hard braking while going around a bend that had a defect in the road that I did not anticipate. A clunking noise in the rear of the car...

Today, again during a sharp turn where I was riding the car somewhat quickly I heard the knocking. Reproduced EASILY there after. Accelerate to 35 mph, straight or through bend, and push down the brakes somewhat harder but no need to hit them hard. Knock knock knock which slows as the car slows. My wife gave me the 'uh oh' look because she knew this purchase was a gamble and a purchase based on emotion.

I then noticed this thread which seems to have closed out last year. https://www.giuliaforums.com/forum/...s-problems/13226-brake-knocking-noise-16.html

At first it seemed there wasn't much hope early in the thread above, but now it seems there is rotor cutting and pad scratching required to resolve. Not too keen on this especially as this will remove material and as this is a new car , wondering why it is still an issue.

My car was manufacturer in Nov of 2017 unfortunately. When I saw it was in transit to the dealer where my local dealer traded from, I was hoping for a newly produced car. The car has dusty dirt I noticed too in all the crevices of the exterior they couldn't wash away. This car must have been near brown dusty dirt for months before being shipped back to port then to another dealer my local dealer traded with.

Here's the kicker, the dealer that received the car before my local grabbed it, did some sort of pre-delivery thing where they put on new rotors/pads due to 'rot lot'. So while this car was built in Nov 2017, if they put all new rotors/pads on that must mean Alfa is still distributing pads/rotors that are just a bit too thick or have some sort of protectant glaze on them that is causing this knocking issue.

Not too happy about this. Coupled with my acceleration lag that has gotten worse now...I'm less happy. Overall I'm still smiling when I drive but you have to look a bit closer for the smile.
The thread is not closed, nobody has bothered to continue the discusion. Presumably they had their brake knocking fix and it hasn't returned. From that thread:

As the original creator of this thread I'm happy to say that my break knocking noise has been resolved. I must say that the attention to service of my vehicle by both McKevitt and Alfa has been exemplary. It's evident that Alfa wants to make in roads into the American market and customer satisfaction, at least in my case, is at the top of their list.

So what was the problem and solution? My knocking noise, as recorded by two individuals who subsequently posted, was identical. The first service did not correct the problem. I decided to wait for a factory solution as it appeared via this forum that a dozen or so also had this issue. I took the car in with 1500 miles and noticed while driving to the dealer that the knocking, that was once quite loud was now barely audible. The service manager said this was a good day to bring my car in as regional factory service tech (Wally Shima) happened to be at the dealership.

"The correction: scuff the front rotors and pads, bend the tension retainer so that it will apply more pressure on the disk pad."

That's from the service order. I drove the car home 75 miles and "abused" the brakes a couple of time, both without ABS intervention and with and no noise. Just the normal clunking from the ABS unit, not unlike every car I've driven with ABS (except my 2002 Mazda PU which was smooooth)

I second the nomination to take your car to the dealer and let them address the situation.
 

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Brand new car...So I actually noticed this once on day 2, during hard braking while going around a bend that had a defect in the road that I did not anticipate. A clunking noise in the rear of the car...

Today, again during a sharp turn where I was riding the car somewhat quickly I heard the knocking. Reproduced EASILY there after. Accelerate to 35 mph, straight or through bend, and push down the brakes somewhat harder but no need to hit them hard. Knock knock knock which slows as the car slows. My wife gave me the 'uh oh' look because she knew this purchase was a gamble and a purchase based on emotion.

I then noticed this thread which seems to have closed out last year. https://www.giuliaforums.com/forum/...s-problems/13226-brake-knocking-noise-16.html
At first it seemed there wasn't much hope early in the thread above, but now it seems there is rotor cutting and pad scratching required to resolve. Not too keen on this especially as this will remove material and as this is a new car , wondering why it is still an issue.

My car was manufacturer in Nov of 2017 unfortunately. When I saw it was in transit to the dealer where my local dealer traded from, I was hoping for a newly produced car. The car has dusty dirt I noticed too in all the crevices of the exterior they couldn't wash away. This car must have been near brown dusty dirt for months before being shipped back to port then to another dealer my local dealer traded with.

Here's the kicker, the dealer that received the car before my local grabbed it, did some sort of pre-delivery thing where they put on new rotors/pads due to 'rot lot'. So while this car was built in Nov 2017, if they put all new rotors/pads on that must mean Alfa is still distributing pads/rotors that are just a bit too thick or have some sort of protectant glaze on them that is causing this knocking issue.

Not too happy about this. Coupled with my acceleration lag that has gotten worse now...I'm less happy. Overall I'm still smiling when I drive but you have to look a bit closer for the smile.
You've got some great advice here, hypersloth. If you end up taking it into the dealer, don't hesitate to reach out. I am available via direct message and can get this over to a Case Specialist for further handling.

Jasmine
Alfa Romeo Social Care Specialist
 
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