Without ABS
- Connect the gauge set. See Fig 1.
- Bleed the brake system. See BLEEDING BRAKE SYSTEM .
- Press brake pedal until first brake pressure specification is within specified range. See PROPORTIONING VALVE TEST SPECIFICATIONS . Press brake pedal until second brake pressure specification is within specified range. If pressures are not as specified, replace the brake pressure differential valve.
PROPORTIONING VALVE TEST SPECIFICATIONS
| Application | Outlet Pressure - psi (kPa) | |
|---|---|---|
| First Pressure | ||
| Front | 284 (1961) | |
| Rear | 256-312 (1765-2157) | |
| Second Pressure | ||
| Front | 850 (5884) | |
| Rear | 370-426 (2280-2672) | |