Technical Values: Overview
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| Location | Des... | Type | Basic val... | Toleranc... | Toleranc... |
|---|---|---|---|---|---|
| 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 aluminium monobloc fixed-calliper brake on front axle and four-piston aluminium monobloc fixed-calliper brake on rear axle. | ||||
| PSM | Porsche Stability Management (PSM) as standard with the functions Antilock Brake System (ABS), Anti-Slip Regulation (ASR), Engine Drag Torque Control (EDTC), Automatic Brake Differentia l (ABD), brake force boosting, brake system pre-filling. | ||||
| Tandem brake booster Ø (vacuum) | 9/10 Zoll | ||||
| Boost ratio | 8 | ||||
| Brake master cylinder Ø | 28.57 mm | ||||
| Brake-circuit division | 24/12 mm | ||||
| Brake disc Ø, front | 390 mm | ||||
| Brake disc Ø, rear | 358 mm | ||||
| Brake disc thickness, front | 38 mm | ||||
| Brake disc thickness, rear | 28 mm | ||||
| Thickness tolerance of brake disc, max. | 0.01 mm | ||||
| Effective brake disc Ø, front | 323.4 mm | ||||
| Effective brake disc Ø, rear | 302.2 mm | ||||
| Piston Ø in front brake calliper | 6 x 36 mm | ||||
| Piston Ø in rear brake calliper | 4 x 32 mm | ||||
| Brake pad area, front | 480 cm2 | ||||
| Brake pad area, rear | 200 cm2 | ||||
| Total brake pad area | 680 cm2 | ||||
| Service brake (footbrake) with PCCB 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 aluminium monobloc fixed-calliper brake on front axle and four-piston aluminium monobloc fixed-calliper brake on rear axle. The brake callipers are painted yellow for visual differentiation. | ||||
| PSM | Porsche Stability Management (PSM) as standard with the functions Antilock Brake System (ABS), Anti-Slip Regulation (ASR), Engine Drag Torque Control (EDTC), Automatic Brake Differentia l (ABD), brake force boosting, brake system pre-filling. | ||||
| Tandem brake booster Ø (vacuum) | 9/10 Zoll | ||||
| Boost ratio | 8 | ||||
| Brake master cylinder Ø | 28.57 mm | ||||
| Brake-circuit division | 24/12 mm | ||||
| Brake disc Ø, front | 420 mm | ||||
| Brake disc Ø, rear | 370 mm | ||||
| Brake disc thickness, front | 40 mm | ||||
| Brake disc thickness, rear | 30 mm | ||||
| Thickness tolerance of brake disc, max. | 0.01 mm | ||||
| Effective brake disc Ø, front | 351.8 mm | ||||
| Effective brake disc Ø, rear | 314 mm | ||||
| Piston Ø in front brake calliper | 6 x 36 mm | ||||
| Piston Ø in rear brake calliper | 4 x 32 mm | ||||
| Brake pad area, front | 480 cm2 | ||||
| Brake pad area, rear | 216 cm2 | ||||
| Total brake pad area | 696 cm2 | ||||
| Pad thickness, front | Wear limit 2 mm | approx. 9.7 mm | |||
| Pad thickness, rear | Wear limit 2 mm | approx. 8.8 mm | |||
| Brake disc thickness, front | New | 38 mm | |||
| Brake disc thickness, rear | New | 28 mm | |||
| Brake disc wear dimension, front | 36 mm | ||||
| Brake disc wear dimension, rear | 26 mm | ||||
| Lateral runout of brake disc, maximum | 0.03 mm | ||||
| Lateral runout of wheel hub, maximum | 0.02 mm | ||||
| Lateral runout of brake disc when installed, maximum | 0.06 mm | ||||
| Pushrod play | Not adjustable | ||||
| Parking brake (foot-operated parking brake) | Drum brake acting mechanically on both rear wheels | ||||
| Parking-brake drum Ø | Wear limit 211 mm | 210 mm | |||
| Brake shoe width | 30 mm | ||||
| Brake pad thickness | Wear limit 1 mm | 3 mm | |||
| Pad thickness, front | Wear limit 2 mm | approx. 8.6 mm | |||
| Pad thickness, rear | Wear limit 2 mm | approx. 8.9 mm | |||
| Brake disc thickness, front | New | 40 mm | + 0.1 mm | - 0.1 mm | |
| Brake disc thickness, rear | New | 30 mm | + 0.1 mm | - 0.1 mm | |
| Brake disc wear limit, front | Brake disc minimum thickness (wear limit) is stamped on the brake disc hub. Example: Min. Th. 37.7 mm | (Read value on brake disc hub) XX.X mm | |||
| Brake disc wear limit, rear | Brake disc minimum thickness (wear limit) is stamped on the brake disc hub. Example: Min. Th. 29.7 mm | (Read value on brake disc hub) XX.X mm | |||
| Peak-to-valley surface roughness of brake disc | New | 0.006 mm | |||
| Wear limit: Surface changes in front and rear brake discs | Wear limit: Connected surface fracture > 1 cm2 and/or surface roughness of brake disc > 80 micrometer. Replace PCCB brake discs on both sides of the axle. | Values and procedure for: 46 51 02 Checking front PCCB brake discs/46 54 02 Checking rear PCCB brake discs. | |||
| Lateral runout of brake disc, maximum | 0.03 mm | ||||
| Lateral runout of wheel hub, maximum | 0.02 mm | ||||
| Lateral runout of brake disc when installed, maximum | 0.07 mm | ||||
| Pushrod play | Not adjustable | ||||
| Parking brake (foot-operated parking brake) | Drum brake acting mechanically on both rear wheels | ||||
| Parking-brake drum Ø | Wear limit 211 mm | 210 mm | |||
| Brake shoe width | 30 mm | ||||
| Brake pad thickness | Wear limit 1 mm | 3 mm |