Rear Brakes
34 21 REAR BRAKES BLADES F54 SPECIFICATION
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IMPORTANT:
Installation of new brake pads is approved only provided that the brake disc thickness exceeds the specified dimension (see table). Brake discs must be replaced when they reach the nominal thickness (see table) minus 2.4 mm!(Not applicable to perforated brake discs and M vehicles)Applies only to M vehicles and perforated ventilated brake discs:The brake discs must be replaced once they wear to the nominal specified thickness (see table) minus 1.6 mm!Depending on:
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| Thickness difference in the friction surfaces of the brake disc | Max. mm | 0.01 |
| Nominal size (diameter x thickness) | mm | 300x20 |
| Minimum brake disc thickness stamped on brake disc chamber | mm | 18.4 |
| Nominal size (diameter x thickness) | mm | 280x10 |
| Minimum brake disc thickness stamped on brake disc chamber | mm | 8.4 |
| Pad wear warning from remaining brake pad thickness | mm | 3.7 |