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Symptoms - Disc Brakes

Symptoms - Disc Brakes


Note

The following steps must be completed before using the symptom tables.



1. Perform the Brake System Vehicle Road Test before using the hydraulic brake symptom tables in order to duplicate the customer's concern.

2. Review the system operation in order to familiarize yourself with the system functions. Refer to the following:

Brake Warning System Description and Operation

Disc Brake System Description and Operation

Brake Booster Vacuum Assist Description and Operation

Brake Assist System Description and Operation

Hydraulic Brake System Description and Operation


Visual/Physical Inspection


Inspect for aftermarket devices which could affect the operation of the hydraulic brake system. Refer to Checking Aftermarket Accessories .

Inspect the easily accessible or visible system components for obvious damage or conditions which could cause the symptom.


Intermittent

Faulty electrical connections or wiring may be the cause of intermittent conditions. Refer to Testing for Intermittent Conditions and Poor Connections .

Symptom List

Refer to a symptom diagnostic procedure from the following list in order to diagnose the symptom:


Brake Warning Indicator Malfunction

Brake Pulsation

Brake System Noise

Braking Action Uneven - Pulls to One Side

Braking Action Uneven - Front to Rear

Brake Pedal Excessive Travel

Brake Pedal Excessive Effort

Brakes Drag

Brake System Slow Release