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Home >> Porsche >> 2021 >> 911 Targa 4 >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 54 (46 Brakes - Brake Mechanism 3.0L (Eng Code MDK.KA) -- 992 - 911 CARRERA (992)) >> WM, 4600TW PCCB Technical Values And Wear Limits >> Technical Values

Technical Values

WARNING: This page is about a different variant/trim than selected.
Location Description Type Basic value Tolerance 1 Tolerance 2
Brake disc diameter, front   Diameter 410 mm    
Brake disc diameter, rear   Diameter 390 mm    
Brake disc thickness, front   Measured value 36 mm    
Brake disc thickness, rear   Measured value 32 mm    
Thickness tolerance of brake discs, maximum   Measured value 0.02 mm    
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