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I was told today by a dealer looking at my car as a trade that my pads and rotors both are in need of replacement soon. I bought the car 5 weeks ago CPO and they told me all four pads are >85% so I'm kind of confused.
For steel discs....you need to measure the thickness.
eg: if they have a design range of 32-34mm, as do mine, and they measure say 32.5, then they have 25% left. Yours are visually looking great though PCCBs Im not sure what you do to check...Im guessing still thickness.
Find out the specs for yours as ceramics, measure them (with a proper tool...its very precise) and that is the specific answer. Visuals are a waste of time really. I was told I needed new discs recently...I measured them myself and my discs had 45% left......
Pads....look a bit low, but they are nothing major really.
just so i understand...so you bought the car from a dealer 5 weeks ago with CPO and you are now trying to trade the car to a different dealer who says the brakes need replacing. correct?
if so, i'd go back to original dealer and get their opinion on the brakes. i would think to CPO a car, the brakes would have had to be within spec, but not sure. either way, get a 2nd opinion in case the dealer you are trying to trade it to is just looking for a way to knock 10k or more off the value.
Maybe the dealer you are trading into has no experience with Ceramic brakes and thinks the rotors are toast based on the normal looks of ceramic rotors?
Only way to know status on the CC rotors is by weighing them.
The way CC disks deteriorate is that part of the stucture burn away, but across the material and not on the surface as you would expect.
Yeah, c'mon guys - we (well most) know the real way to test the pccb is to weigh and/or use the analyzer that Porsche has.
But, let's look at the overall picture. Just by looking at the calipers, the pads, the hats, the hardware, you can see that this car has low miles, probably no track use (of if any, VERY little), and the braking system shows little signs of stress. As such, wear to the PCCB unless it is physical damage, such as cracked or chipped rotors, is HIGHLY unlikely. Heat and hard use/wear turns calipers orange, the hardware other colors, that brake dust at 800+ degrees burns and sticks into everything.
anyway... If you're trying to sell the car post it here :-)
Yeah, c'mon guys - we (well most) know the real way to test the pccb is to weigh and/or use the analyzer that Porsche has.
But, let's look at the overall picture. Just by looking at the calipers, the pads, the hats, the hardware, you can see that this car has low miles, probably no track use (of if any, VERY little), and the braking system shows little signs of stress. As such, wear to the PCCB unless it is physical damage, such as cracked or chipped rotors, is HIGHLY unlikely. Heat and hard use/wear turns calipers orange, the hardware other colors, that brake dust at 800+ degrees burns and sticks into everything.
anyway... If you're trying to sell the car post it here :-)
06-27-2016, 10:00 PM
Do my brakes look bad?
