2020 CX-5 brake grinding sound

Hello,

I have a 2020 cx5 GT that I brought on Monday and yesterday leaving work I came to a low speed stop, 25/30 miles per hour, and I heard and felt grinding in my front brakes. This happened at every low speed stop till I entered the freeway.

Let me also mention that I had a different 2020 cx5 GT last week that I took back for service that did the exact same thing. I hadn't signed papers on that car yet so I told them to give me a different car since the service technician said he had no idea why the brakes were making that sound and suggested they could lightly resurface the brakes.

I don't know what to do now? Take this car back for service again? Wait and see? Is this a common issue?
 
:
Southwest Ohio
:
'19 CX-5 diesel
I would first drive it a little bit. Do some stops. Even stop medium-hard a few times. Could very well be just a little surface corrosion or maybe even a corrosion prevention coating on the rotors.
 
:
2014 Ford Explorer Sport, 2009 CX9(Wife's)
How far did you drive before hearing/feeling the grinding?
Did it rain while it was parked?
 

Turborascal

Contributor
:
2019 Mazda CX-5 Signature; 2019 Mazda MX-5 30 AE, RF, #150/3000
How far did you drive before hearing/feeling the grinding?
Did it rain while it was parked?
Exactly ... surface corrosion begins on the cast iron rotors shortly after parking.
When driving off after the car sits for a time, a "pop" as brake pads release from the rotor and/or a grinding sound for the first stop or two is common.

If it occurs after several stops, it may indeed need to be checked.
 
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