5 - 8
BRAKES
DIAGNOSIS AND TESTING
BRAKE SYSTEM DIAGNOSIS CHART GUIDE
CHART 1
SYMPTOM
Brake Warning
Light On
Excessive
Pedal Travel
Pedal Goes To
The Floor
Stop Light On
Without Brakes
All Brakes Drag
Rear Brakes
Drag
Grabby Brakes
Spongy Brake
Pedal
Premature
Rear Brake
Lockup
Excessive
Pedal Effort
Rough Engine
Idle
Brake Chatter
(Rough)
Surge During
Braking
Noise During
Braking
Rattle Or
Clunking Noise
Pedal Pulsates
During Braking
Pull To Right
Or Left
No: Not A Possible Cause
CHART 2
MISC.
WARNING
COND.
LIGHT
X
6
X
6
X
3
5
2
NO
X
4
NO
1
NO
NO
NO
NO
NO
NO
NO
X: Most Likely Cause
CHART 3
CHART 4
POWER
BRAKE NOISE
BRAKES
NO
NO
NO
NO
O
NO
NO
O
O
NO
NO
NO
NO
NO
NO
O: Possible Cause
CHART 5
WHEEL BRAKES
O
X
O
X
X
X
X
X
X
JA