Brake Proportioning/Combination Valve: Testing and Inspection

Fig. 18 Pressure Gauge Installation:

Fig. 19 Pressure Specification:

1. Check and fill brake fluid as required.
2. Connect pressure checking tool No. KV991V0010, or equivalent to air bleeders of front and rear brakes on either left or right sides, Fig. 18.
3. Bleed air from tool.
4. Depress brake pedal and check fluid pressure.
5. Compare pressure readings to specifications in Fig. 19.
6. If output pressure is not within specifications, replace proportioning valve.
7. Bleed brake system as described under "Brake System Bleed.