46 Technical data · Designation Notes, dimensions Wear limit

911 Carrera (996) Brakes -Brake mechanics 46 Technical data Designation Notes, dimensions Wear limit Operating brake Hydraulic dual-circuitbrake system with front (foot brake) axle-rearaxle brake circuit distribution. Vacuum brake booster, internallyventilated and perforated brake discs with four-pistonmonobloc fixed caliper at front and rear axles. ABS as standard, optionallywith traction control (TC).* Brake booster (vacuum) 13 10 inches Boost factor 3.85 Brake master cylinder ~ front 23.81 mm ~ rear 23.81 mm travel 18/18 mm Brake booster* * Switching pressure reduction factor 55 bar -0.46 Identification 5/55 Brakediscs fa front 318 mm fa rear 299 mm Effectivebrakedisc ~ front 261.8 mm ~ rear 247.4 mm Piston~ in brakecaliper front 2 x 40 + 2 x 36 mm rear 2 x 30 + 2 x 28 mm Brakepad area front 254 cm2 rear 196 cm2 Total brake pad area 450 cm2 Description, Traction Control (TC)in Repair Group 45 Vehicles with ABS and vehicles with ABS/TC = 1 brake proportioning valve Technical data 46 -3