| Service brake (footbrake) with grey cast iron brake discs (standard brake) with PSM (Porsche Stability Management) as standard |
Hydraulic dual-circuit brake system with brake-circuit division per axle. Vacuum brake booster, internally ventilated brake discs with six-piston aluminum monobloc fixed-calliper brake on front axle and one-piston floating-calliper brake with integrated parking brake on rear axle. |
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| PSM |
Porsche Stability Management (PSM) as standard with functions ABS, ASR (Traction Control TC+, engine drag torque control MSR, ABD, PTM lock control (longitudinal)). Optional: Levelling system, infinite shock absorber adjustment PASM, electronically regulated limited-slip rear differential PTV+ |
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| Tandem brake booster Ø (vacuum) |
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9/9 Zoll |
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| Boost ratio |
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9 |
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| Brake master cylinder Ø |
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28.57 mm |
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| Brake-circuit division |
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24/12 mm |
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| Brake disc Ø, front |
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350 mm |
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| Brake disc Ø, rear |
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330 mm |
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| Brake disc thickness, front |
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34 mm |
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| Brake disc thickness, rear |
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22 mm |
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| Thickness tolerance of brake disc, max. |
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0.01 mm |
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| Effective brake disc Ø, front |
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142.6 mm |
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| Effective brake disc Ø, rear |
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144.1 mm |
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| Piston Ø in brake calliper, front |
2 x 36 mm + 2 x 36 mm + 2 x 36 mm |
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| Piston Ø in brake calliper, rear |
43 mm |
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| Brake pad area per wheel, front |
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224 cm2 |
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| Brake pad area per wheel, rear |
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89.4 cm2 |
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| Service brake (foot brake) with ceramic brake discs with PSM (Porsche Stability Management) as standard |
Hydraulic dual-circuit brake system with brake-circuit division per axle. Vacuum brake booster, internally ventilated brake discs with six-piston aluminum monobloc fixed-calliper brake on front axle and one-piston floating-calliper brake with integrated parking brake on rear axle. |
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| PSM |
Porsche Stability Management (PSM) as standard with functions ABS, ASR (Traction Control TC+, engine drag torque control MSR, ABD, PTM lock control (longitudinal)). Optional: Levelling system, infinite shock absorber adjustment PASM, electronically regulated limited-slip rear differential PTV+ |
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| Tandem brake booster Ø (vacuum) |
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9/9 Zoll |
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| Boost ratio |
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9 |
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| Brake master cylinder Ø |
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28.57 mm |
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| Brake-circuit division |
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24/12 mm |
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| Brake disc Ø, front |
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396 mm |
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| Brake disc Ø, rear |
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370 mm |
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| Brake disc thickness, front |
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38 mm |
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| Brake disc thickness, rear |
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30 mm |
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| Thickness tolerance of brake disc, max. |
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0.01 mm |
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| Effective brake disc Ø, front |
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164.7 mm |
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| Effective brake disc Ø, rear |
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159.75 mm |
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| Piston Ø in brake calliper, front |
6 x 36 mm |
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| Piston Ø in brake calliper, rear |
43 mm |
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| Brake pad area per wheel, front |
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234 cm2 |
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| Brake pad area per wheel, rear |
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106 cm2 |
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| Pad thickness, front |
Wear limit 2 mm |
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approx. 9,68 mm |
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| Pad thickness, rear |
Wear limit 2 mm |
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approx. 11.6 mm |
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| Brake disc minimum thickness after machining, front |
Only as-new brake discs may be reworked! Only rework the brake disc symmetrically, evenly from both sides! |
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33.6 mm |
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| Brake disc minimum thickness after machining, rear |
Only as-new brake discs may be reworked! Only rework the brake disc symmetrically, evenly from both sides! |
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21,6 mm |
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| Brake disc wear dimension, front |
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32 mm |
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| Brake disc wear dimension, rear |
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20 mm |
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| Peak-to-valley surface roughness of brake disc after machining, max. |
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0.006 mm |
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| Thickness tolerance of brake discs after machining, max. |
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0.02 mm |
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| Lateral runout of brake disc, max. |
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0.03 mm |
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| Lateral runout of wheel hub, max. |
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0.02 mm |
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| Lateral runout of brake disc when installed, max. |
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0.06 mm |
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| Pad thickness, front |
Wear limit 2 mm |
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approx. 8.8 mm |
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| Pad thickness, rear |
Wear limit 2 mm |
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approx. 11.3 mm |
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| Lateral runout of brake disc, max. |
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New |
0.025 mm |
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| Lateral runout of wheel hub, max. |
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New |
0.02 mm |
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| Lateral runout of brake disc when installed, max. |
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New |
0.07 mm |
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