Pinpoint Test K: The Pedal Goes Down Slowly
- K1: ROAD TEST VEHICLE - CHECK BRAKE PEDAL OPERATION
- K2: CHECK FOR BRAKE SYSTEM LEAKS
- Check for external brake system leaks. For additional information, refer to brake master cylinder component test in this article
Are there any external brake system leaks?
Yes
Rectify as necessary. Add fluid and bleed the brake system. Re-test the system for normal operation
No
GO to K3.
- Check for external brake system leaks. For additional information, refer to brake master cylinder component test in this article
- K3: COMPLETE A BRAKE MASTER CYLINDER BYPASS TEST
- Test for brake master cylinder bypass condition. Refer to Brake master cylinder component test in this article
Has a concern been identified?
Yes
Install a new brake master cylinder, add fluid and bleed the brake system. Re-test the system for normal operation
No
No action required, system is OK
- Test for brake master cylinder bypass condition. Refer to Brake master cylinder component test in this article