Group 0 · General / PAGE 20
Operating brake Foot operated, hydraulic-mechanicalboost · Dual-circuitbrake system, 4-piston AI mo
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911 Carrera (996) Entire vehicle -General
Brakes
Operating brake Foot operated, hydraulic-mechanicalboost
Dual-circuitbrake system, 4-piston AI monobloc
brake calipers at FA and RA,distributed per axle,
internallyventilated brake discs at front and
rear axles, ABS standard, Traction Control (TC)
optional with switch-overpossibilityto
automatic brake differential (ABD).
Vacuum brake booster
(boost factor) 3.85
Brake master cylinder 0 mm (in) 23.81/23.81 (0.94/0.94)
Brake master cylinder stroke mm (in) 18/18 (0.71/0.71)
Pressurereducer -switching-on
pressure 55 bar
-reducing factor 0.46
Brake disc ~ mm (in) Front 318 (12.53)
Rear 299 (11.78)
Effective brake disc 0 mm (in) Front 261.8 (10.31)
Rear 247.6 (9.75)
Brake disc thickness mm (in) Front 28 (1.10)
Rear 24 (0.95)
Effective total brake
area per wheel cm2 (sq.in) Front 127 (19.69)
Rear 98 (15.195)
Piston 0 in brake caliper mm (in) Front 36 (1.42) and 40 (1.576)
Rear 28 (1.10) and 30 (1.182)
Drum-typeparking brake Parking brake
0-9 0 Technical data
Printed in Germany, 1997 996O_1
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