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Home >> Porsche >> 2019 >> Cayenne S >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 5 (46 Brakes - Brake Mechanism 3.0L -- 9YA - Cayenne (9YA)) >> WM, 4600TW PCCB - Technical Values And Wear Limits >> Technical Values

Technical Values

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Location Description Type Basic value Tolerance 1 Tolerance 2
Front brake disc Ø   Dimension 440 mm    
Rear brake disc Ø   Dimension 410 mm    
Front brake disc thickness   Setpoint value 40 mm    
Rear brake disc thickness   Setpoint value 32 mm    
Maximum thickness tolerance of brake discs   Dimension 0.02 mm    
Effective front brake disc Ø   Dimension 344.6 mm    
Effective rear brake disc Ø   Dimension 340.8 mm    
Brake pad area per front wheel   Area 330 cm2    
Brake pad area per rear wheel   Area 153 cm2    
Front pad thickness Wear limit 2 mm Set value approx. 9 mm    
Rear pad thickness Wear limit 2 mm Set value approx. 11.3 mm    
Front and rear brake disc wear limit 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 XX/XX
Read off values on the brake disc pot
   
Maximum thickness tolerance of brake discs   Dimension 0.02 mm    
Maximum lateral runout of brake disc   Dimension 0.03 mm    
Maximum lateral runout of wheel hub   Dimension 0.03 mm    
Maximal lateral runout of brake disc when installed   Dimension 0.06 mm