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Home >> Porsche >> 2015 >> Macan Turbo >> Repair and Diagnosis >> External Pages >> Different car >> Section 282 (46 Brakes - Brake Mechanism -- 911 CARRERA (991)) >> WM 4600TW Technical Data/Brake Wear Limits - All 911 CARRERA Models (Except CARRERA "Edition", CARRERA Cabriolet "Edition", Turbo, Turbo S, CARRERA 4 "Edition", Turbo CABRIO, Turbo S CABRIO, CARRERA 4 Cabriolet "Edition", Gt3, Gt3 RS) >> Technical Data/Brake Wear Limits - 911 C2/C4 And 911 C2S/C4S >> Technical Data - 911 Carrera/911 Carrera 4 >> Parking Brake

Parking Brake

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2019 Porsche 911, 2018 Porsche 911, 2017 Porsche 911, 2016 Porsche 911, and 2015 Porsche 911. However, it is still accessible from the selected car via links, so may be relevant.
Location Description Type Basic value Tolerance 1 Tolerance 2
Brake booster (vacuum) C2/C4 Tandem/diameter 8/9 Zoll    
Brake booster transmission ratio (i) C2/C4 Factor 5.5    
Diameter of brake master cylinder, front/rear C2/C4 Diameter 26.99/26.99 mm    
Brake master cylinder stroke, front/rear C2/C4 Measured value 24/12 mm    
Brake disc diameter, front C2/C4 Diameter 330 mm    
Brake disc diameter, rear C2/C4 Diameter 330 mm    
Effective brake disc diameter, front C2/C4 Diameter 277.8 mm    
Effective brake disc diameter, rear C2/C4 Diameter 274.6 mm    
Piston diameter in four-piston brake calliper, front C2/C4 Diameter 4 x 38 mm    
Piston diameter in four-piston brake calliper, rear C2/C4 Diameter 4 x 32 mm    
Effective brake pad area, front C2/C4 Area 286 cm2    
Effective brake pad area, rear C2/C4 Area 200 cm2    
Total brake pad area C2/C4 Area 486 cm2