Troubleshooting: Discs

RUST ON DISC

Symptom

Vibration, noise, Squeal

Condition

Rust on discs

Cause

Mostly occurs when vehicles stand for a long period of time

Solution

Clean off rust, machine discs if there are deep pit marks or replace discs. Replace brakes pads if necessary

 

 

RIDGE ON DISCS

Symptom

Squeal, poor stopping power

Condition

Ridge on discs

Cause

Worn disc through normal wear

Solution

Machine disc or replace discs

 

 

GROOVES ON DISC

Symptom

Squeal, Grinding , poor braking

Condition

Grooves on disc

Cause

Foreign object embedded in pads, poor quality discs, poor quality pads

Solution

Replace pads, machine or replace discs

 

 

CRACKED DISC

Symptom

Vibration, Noise

Condition

Cracked disc

Cause

High operating temperature, disc worn below minimum specification

Solution

Replace disc

 

 

WORN DISC

Symptom

Reduced pad life, brake fade

Condition

Worn Discs

Cause

Discs not replaced regularly

Solution

Replace discs

 

 

HOT SPOTS ON DISC

Symptom

Vibration, shudder

Condition

Hot spots on disc/ “bluing” of disc

Cause

Excessive heat - sticky calipers, discs too thin, vehicle driven outside design parameters e.g. overloading, racing

Solution

Replace pads, replace discs

Login Form