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Home >> Porsche >> 2021 >> 718 Boxster S, Automatic DCT Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 5 (46 Brakes - Brake Mechanism 2.0L -- 982 - BOXSTER/CAYMAN) >> WM, 4600TW Technical Data/Brake Wear Limit >> Technical Data/Brake Wear Limit >> Technical Data

Technical Data

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Service brake (footbrake) 

Parking brake 

Location Description Type Basic value Tolerance
Brake booster gear ratio (i)   Factor 5.5  
Brake disc diameter, front   Diameter 330 mm  
Brake disc diameter, rear   Diameter 299 mm  
Effective brake disc diameter, front   Diameter 277, 8 mm  
Effective brake disc diameter, rear   Diameter 247, 6 mm  
Piston diameter in front brake calliper   Diameter 38/38 mm  
Piston diameter in rear brake calliper   Diameter 28/30 mm  
Effective brake pad area per wheel, front   Area 143 cm2  
Effective brake pad area per wheel, rear   Area 96 cm2