Test Values/Wear Limits
WARNING: This page is about a different car, the 2024 Porsche 911, 2023 Porsche 911, and 2022 Porsche 911. However, it is still accessible from the selected car via links, so may be relevant.
Information
The following condition criteria can make replacement necessary depending on the wear of the PCCB brake discs (new generation without indicators in the friction surface):
- Too many damaged carbon fibres in the PCCB brake disc (wear caused by the effects of temperature).
- Check PCCB brake discs while complying with the measuring prerequisites using VAS 6813 Tester for PCCB brake discs.
- It is no longer necessary to check the brake disc minimum thickness for this generation of brake discs.
| Location | Description | Type | Basic value | Tolerance |
|---|---|---|---|---|
| Pad thickness, front | Measured value | approx. 12.0 mm | ||
| Pad thickness, rear | Measured value | approx. 12.0 mm | ||
| Brake disc wear limit, front and rear | Measure using VAS 6813 Tester. Observe measuring prerequisites. New values/wear values and three measuring points are lasered onto the brake disc hub. Wear value reached: Replace PCCB brake discs on each axle. | Measured value | Read off values on the brake disc hub | |
| Thickness tolerance of brake discs, maximum | Measured value | 0.02 mm | ||
| Lateral runout of brake disc, maximum | Measured value | 0.03 mm | ||
| Lateral runout of wheel hub, maximum | Measured value | 0.03 mm | ||
| Lateral runout of brake disc when installed, maximum | Measured value | 0.06 mm |