The technical data are valid for the 911 Carrera 2 Turbo Look 911 America Roadster and 911 Carrera RS

TL = Carrera 2 Turbo-Look. Carrera 2 Turbo-Look specif, are also valid for the 911 America Roadster. RS = 911 Carrera RS. For the 911 Carrera RS America, the values from p. 46-0101/0102 apply.

Designation

Remarks, dimensions

Wear limit

Service brake

Hydraulic dual-circuit brake system with front axle/

(foot brake)

rear axle brake circuit division. Hydraulic brake

booster, internally vented and drilled brake discs

with four-piston fixed caliper on front and rear axle.

ABS standard.

Brake booster

hydraulic

Boost factor

TL

4.8

RS

3.6

Brake master cylinder

0 front

23.81 mm (RS 25.4 mm)

0 rear

23.81 mm (RS 25.4 mm)

stroke

20/12 mm

Brake power controller

Switchover press. / red. factor

TL

60 bar - 0.46

RS

55 bar - 0.46

Brake disc 0

front

322 mm

rear

299 mm

Effective brake disc 0

front

268 mm

rear TL

249 mm

rear RS

246 mm

Piston 0 in caliper

front

2 x 44 + 2 x 36 mm

rear

2 X 34 + 2 x 30 mm

Brake pad area

front

250 sq.cm

rear

172 sq.cm

Remarks, dimensions

Wear limit

Total brake pad area

Pad thickness front rear

Brake disc thickness, new front rear TL rear RS

Minimum brake disc thickness*

Thickness tolerance of brake disc, max.

Lateral runout of brake disc, max.

Lateral runout of wheel hub, max.

Lateral runout of brake disc when fitted, max.

Surface roughness after machining, max.

Pushrod clearance (measured at brake pedal plate)

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