Pinpoint Test E: The Pedal Goes Down Fast
- E1: ROAD TEST VEHICLE
- Road test the vehicle and apply the brake pedal.
Is the brake pedal effort and brake pedal travel normal?
- Yes : Vehicle is OK.
- No: GO to E2.
- Road test the vehicle and apply the brake pedal.
- E2: CHECK BRAKE PEDAL TRAVEL-PRESSURIZE SYSTEM
- Pump the brake pedal rapidly (five times).
Does the brake pedal travel build up and then hold?
- Yes
: BLEED the brake system.
Refer to: Brake System Bleeding - Vehicles Without: Carbon Ceramic Brakes (General Procedures). TEST the system for normal operation.
- No: GO to E3.
- Yes
: BLEED the brake system.
- Pump the brake pedal rapidly (five times).
- E3: CHECK FOR BRAKE SYSTEM LEAKS
- Check for external brake system leaks. For additional information, refer to BRAKE MASTER CYLINDER component test.
Are leaks found?
- Yes
: REPAIR as necessary, ADD fluid and BLEED brake system.
Refer to: Brake System Bleeding - Vehicles Without: Carbon Ceramic Brakes (General Procedures). TEST the system for normal operation.
- No : System is OK.
- Yes
: REPAIR as necessary, ADD fluid and BLEED brake system.
- Check for external brake system leaks. For additional information, refer to BRAKE MASTER CYLINDER component test.