Test Values And Wear Limits - 18-Inch Basic Brakes
WARNING: This page is about a different car, the 2020 Porsche Panamera, 2019 Porsche Panamera, 2018 Porsche Panamera, and 2017 Porsche Panamera. However, it is still accessible from the selected car via links, so may be relevant.
Information
Depending on the wear of grey cast-iron brake discs, two condition criteria can make replacement necessary:
- Formation of cracks at advanced stage on the brake disc friction surfaces.
- Minimum brake disc thickness is not retained due to wear (material erosion due to friction).
| Location | Description | Type | Basic value | Tolerance |
|---|---|---|---|---|
| Pad thickness, front | Wear limit 2 mm | approx. 9.44 mm | ||
| Pad thickness, rear | Wear limit 2 mm | approx. 9.32 mm | ||
| Brake disc wear dimension, front | 32 mm | |||
| Brake disc wear dimension, rear | 26 mm | |||
| Lateral runout of brake disc, max. | 0.03 mm | |||
| Lateral runout of wheel hub, max. | 0.02 mm | |||
| Lateral runout of brake disc when installed, max. | 0.06 mm |