Pinpoint Test E: the Pedal Goes Down Fast
E1: ROAD TEST VEHICLE
1. Road test and apply the brake pedal.
^ Is the brake pedal effort and brake pedal travel normal?
-> Yes
Vehicle is OK.
-> No
Goto [E2]
E2: CHECK BRAKE FLUID LEVEL
1. Check the brake master cylinder reservoir fluid level.
^ Is the fluid level within specification?
-> Yes
Goto [E3]
-> No
CHECK the brake master cylinder reservoir sealing points. For additional information, refer to Brake Master Cylinder Component Test.
ADD fluid and BLEED brake system. For additional information, refer to General Procedures.
TEST the system for normal operation. REPEAT road test if necessary.
E3: CHECK BRAKE PEDAL TRAVEL-PRESSURIZE SYSTEM
1. Pump the brake pedal rapidly (five times).
^ Does the brake pedal travel build up and then hold?
-> Yes
BLEED the brake system. Refer to General Procedures.
TEST the system for normal operation.
REPEAT road test. For additional information, refer to Hydraulic Brake Actuation.
-> No
Goto [E4]
E4: CHECK FOR BRAKE SYSTEM LEAKS
1. Check for external brake system leaks. For additional information, refer to Master Cylinder.
^ Are leaks found?
-> Yes
REPAIR as necessary, ADD fluid and BLEED brake system. For additional information, refer to General Procedures.
TEST the system for normal operation.
REPEAT road test.
-> No
System is OK.