Disc Brakes

Fig. 1 Proportioning Valve Inspection:

INSPECTION

1. On ABS models, disconnect harness connectors from ABS actuator.
2. Connect brake fluid pressure tool No. KV991V0010 or equivalent to air bleeder of front and rear brakes on either LH or RH side. Fig. 1.
3. Bleed air from tool.
4. Depress brake pedal and compare pressures.
5. On M30 models:
a. Front brake pressure is 924 psi.
b. Rear brake pressure is 597-654 psi.
6. Bleed brake system after disconnecting tool.