Brake Booster
WARNING: This page is about a different car, the 2021 Subaru Ascent. However, it is still accessible from the selected car via links, so may be relevant.
| Item | Specification | ||
|---|---|---|---|
| Type | Vacuum suspended | ||
| Effective diameter | mm (in) | 215 + 227 (8.46 + 8.93) | |
| Brake fluid pressure | Brake pedal force N (kgf, lbf) | Fluid pressure kPa (kgf/cm2 , psi) | |
| When engine is stopped | 147 (15, 33) | 441 (4.5, 64) | |
| 294 (30, 66) | 1378 (14.1, 200) | ||
| When engine is running and vacuum pressure is at 93 kPa (697 mmHg, 27.47 inHg) | 147 (15, 33) | 7782 (79.4, 1128) | |
| 294 (30, 66) | 14564 (149, 2112) | ||