CONTENTS
MOTION
BRAKING
PEDAL ACTION

EXCESSIVE PEDAL PRESSURE REQUIRED

CONDITION(S)

• EXCESSIVE BRAKE PEDAL PRESSURE REQUIRED
• BRAKE PEDAL DIFFICULT TO DEPRESS
• VEHICLE HAS POWER ASSISTED BRAKES

POTENTIAL CAUSE(S)

CHECK THESE FIRST:

1.DISCONNECTED, CLOGGED OR BROKEN POWER BOOSTER VACUUM HOSE; CONFIRMED BY SUCKING SOUND AND HIGHER ENGINE IDLE
Connect, clean or replace power booster vacuum hose.

2. DEFECTIVE BRAKE POWER BOOSTER
Have brake power booster professionally replaced.

3. FAULTY MASTER CYLINDER RESIDUAL PRESSURE CHECK VALVE
Have pressure check valve professionally repaired or replaced.

4. SEIZED WHEEL CYLINDER OR BRAKE CALIPER PISTONS
Have wheel cylinder or brake caliper professionally repaired.

5. RESTRICTION IN BRAKE LINE OR HOSE
Have brake line or hose professionally repaired.

6. FAULTY METERING VALVE
Have metering valve professionally replaced.

CHECK THESE NEXT:

CHECK THESE LAST:

CONTENTS
EXCESSIVE PEDAL FREE PLAY
BRAKES GRAB OR LOCK