Technical data - 911 Carrera

BRAKE TECHNICAL DATA - 911 CARRERA SPECIFICATIONS

Designation

Notes, dimensions

Wear limit

Operating brake (foot brake)

Hydraulic dual-circuit brake system with front-axle / rear-axle brake circuit division. Vacuum brake booster, internally ventilated and perforated cast iron brake discs with black four-piston monoblock fixed calipers at front and rear axles. ⁽¹⁾⁽²⁾
ABS as standard. ⁽¹⁾⁽²⁾
As an option: ⁽¹⁾⁽²⁾
- up to model 99 with ABS/TC ⁽¹⁾⁽²⁾

Brake booster (vacuum)

10 inch

Boost ratio

3.85

Brake master cylinder

front

23.81 mm

rear

23.81 mm

Stroke

18/18 mm

Brake proportioning control ⁽³⁾

1 proportioning valve 5/55 or EBV ⁽³⁾

Brake discs

front

318 mm

rear

299 mm

Effective brake discs

front

261.8 mm

rear

247.4 mm

Piston in brake caliper

front

2 x 40 + 2 x 36 mm

rear

2 x 30 + 2 x 28 mm

Brake pad area

front

254 cm ²

rear

196 cm ²

Total brake pad area

450 cm²

⁽¹⁾	Description of Traction Control (TC) in Repair group 45.

⁽²⁾	Porsche Stability Management (PSM) with the functions ABS, Traction Control (TC), ABD, MSR (engine drag torque control), FZR (vehicle regulator) and EBV (electronic brake distributor). Passive switching possibility for TC, FZR and MSR.

⁽³⁾	EBV = electronic brake distributor (brake proportioning control). As a result, no screw-in brake proportioning valves are required.