How much does it cost to replace PCCB brakes in Yellow?

[Dee]

the reason for rotor replaement on PCCB"s is due to high termperature wear vaporizing the carbon fibres inside the rotor lowering rotor density - there are 3 markings are each rotor - number's like 53/42

in my mad up example above 52 is the "factory number" and 42 is the "wear number" - I.E. if the density tool shows a value of 42 at that point on the rotor time for a new rotor

your Porsche dealer can use their carbotech tool to measure the rotor density to confirm the rotors are not worn.

I thought an illustration is welcome here.
The numbers on my front rotor.
As Dave said, these spots are used for measuring density with a carbotech tool.
It doesn't say ANYTHING about wear in general but ONLY about density.
A huge difference in density is a sign there's something wrong with the integrity of the rotor -> replacement.

The only accurate way to measure wear is to weigh them:

If the weight gets below 8170 gram it's time to replace them.
Just my €0,02.

Grtz Dee.

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[Flying ace]

For all 4 rotors and calipers, My Audi RS E-Tron GT my dealer estimated between $30k to $35k.

So we total the car then?

 

[daveo4EV]

So we total the car then?

PCCB's cost more than a Honda if you have to replace all 4 rotors…

 

[mystermykee]

PCCB's cost more than a Honda if you have to replace all 4 rotors…

And I love that. IMO, PCCBs on a primarily regen braking car is the biggest flex, aside from propping up the spoiler when parked and having the "electric" decal on car with no gas sibling.

 

[daveo4EV]

And I love that. IMO, PCCBs on a primarily regen braking car is the biggest flex, aside from propping up the spoiler when parked and having the "electric" decal on car with no gas sibling.

it's even more of a flex when you realize the Taycan can't run long enough or hard enough to need a braking system who's super power is thermal endurance…

given the amount of time you can be at full pace with 100 kWh of power is less than a sprint race - you will not thermally saturate cast-iron/steel rotors in that amount of time…

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