Unusual rotor wear...

[hawkeye3point1]

Out here we would freak out if our rotors were scored that badly.

Be thankful for your climate, the Northeast is much less forgiving to all things metallic.

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[generaltso]

Really? Mine have never looked like that, unless there was a problem such as a sticky caliper. Are your rotors flat all the way across or does it have grooves cut into them already?
Out here we would freak out if our rotors were scored that badly. Even this Porsche doesn't have visible rings....
????

I don’t doubt that’s the case in Arizona. In VT, all rotors look like the OP’s, grooves and all.

 

[SnBGC]

Be thankful for your climate, the Northeast is much less forgiving to all things metallic.

Not sure I would use the word "Thankful".
Things don't rust here but they do melt.

I don’t doubt that’s the case in Arizona. In VT, all rotors look like the OP’s, grooves and all.

Real grooves or just surface discoloration? One or two hard stops and the rotors are smooth again?

 

[generaltso]

Real grooves or just surface discoloration? One or two hard stops and the rotors are smooth again?

Real grooves. There’s so much grit and grime that we drive through all winter that it’s unavoidable.

 

[buzznwood]

Really? Mine have never looked like that, unless there was a problem such as a sticky caliper. Are your rotors flat all the way across or does it have grooves cut into them already?
Out here we would freak out if our rotors were scored that badly. Even this Porsche doesn't have visible rings....
????

Always a bit tricky looking at a taycan as not only could it have the Porsche Surface Coated Brakes option, but they also disable regen periodically to give the brakes a bit of clean automatically.

Taycan owners manual:

"To assist in cleaning the brakes, the recuperation system is deactivated for a short time after standstill times of more than 6 hours. The recuperation system is activated again automatically afterwards."

 

[Logal727]

I took the above photo this morning before driving to work. It caught my eye as unusually heavy rust as the car had been sitting for 5 days.

This is the same rotor after driving to work without doing anything to clean the rotors.

Then same rotor after a couple cleaning stops in neutral here in the parking lot here at work.

Oddly satisfying

 

[ripperAZ]

Completely normal on an EV
You need to put it in neutral apply your brakes a few times with good pressure and burn off that residual dust the scoring is just a fantasy created by the dust it’s not actually the metal in most cases. Heat is your friend. Friction is part of braking.
Jes sayin. I see that all the time and then I can make it go away. It's not something to worry about it's just brake dust accumulation static electricity Makes it adhere braking makes it go away

 

[Mr67gta]

Really? Mine have never looked like that, unless there was a problem such as a sticky caliper. Are your rotors flat all the way across or does it have grooves cut into them already?
Out here we would freak out if our rotors were scored that badly. Even this Porsche doesn't have visible rings....
????

You live in dry Arizona things don't rust as fast

 

[HuntingPudel]

Don't really even need to put it in neutral. Just two-foot drive it. Stay in the go-pedal and drag the brake with the left foot. A couple of seconds at 35 MPH should scuff them clean.

 

[SnBGC]

You live in dry Arizona things don't rust as fast

The OP's photo doesn't look like rust. Those rear rotors looks like deep grooves and score marks. I can't see how that is normal but I suppose in harsh climates that may be the case.

We don't even need to turn rotors here. All we have to do is change pads (assuming the rotors are still smooth). I guess we are lucky in that regard. My 1999 F-250 goes through brake pads every 60k miles but the original rotors lasted 350,000 miles and were never turned. (They measured at the min thickness cast into the rotor so I changed them finally).

 

[Maquis]

Don't really even need to put it in neutral. Just two-foot drive it. Stay in the go-pedal and drag the brake with the left foot. A couple of seconds at 35 MPH should scuff them clean.

You beat me to it!

 

[Murse-In-Airy]

The OP's photo doesn't look like rust. Those rear rotors looks like deep grooves and score marks. I can't see how that is normal but I suppose in harsh climates that may be the case.

We don't even need to turn rotors here. All we have to do is change pads (assuming the rotors are still smooth). I guess we are lucky in that regard. My 1999 F-250 goes through brake pads every 60k miles but the original rotors lasted 350,000 miles and were never turned. (They measured at the min thickness cast into the rotor so I changed them finally).

I agree it doesn’t look good. It if they were cleaned off it would be easier to tell.

 

[Maquis]

Don't really even need to put it in neutral. Just two-foot drive it. Stay in the go-pedal and drag the brake with the left foot. A couple of seconds at 35 MPH should scuff them clean.

I have to do this every time I leave the car wash. If I don’t, my brakes are stuck the next morning.

 

[HuntingPudel]

I have to do this every time I leave the car wash. If I don’t, my brakes are stuck the next morning.

Bummer, I just drive up and down the cul-de-sac normally. So far no sticking and no rotor rust.

 

[Neil4Real]

Don't really even need to put it in neutral. Just two-foot drive it. Stay in the go-pedal and drag the brake with the left foot. A couple of seconds at 35 MPH should scuff them clean.

Wait, really? Just gently apply the brakes?

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