TECHNICAL BULLETINS
Overtightening of wheel nuts
Over tightening of wheel lug nuts can distort the disc rotor resulting in uneven rotor wear and even...
Friction Material Deposits
Friction material deposits are a common cause of steering wheel vibration when braking...
DTV Disc Thickness Variation
Disc Thickness Variation, DTV is a variation in thickness of the disc rotor braking surfaces as it rotates on the axle...
Common Brake Problems
Remind your customers of the importance of regular brake inspections. Most drivers will only have their brakes inspected when they run...
Machining of disc rotors
There is much controversy over when to machine the rotors. Some technicians are of the opinion that rotors...
How to clean a Disc Rotor before fitting
Cleaning a disc rotor correctly will often eliminate any issues with squeal, runout (DTV) and pad contamination. Most disc rotors have...
Fitting a Hat Type Disc Rotor
The following steps are recommended to ensure the best possible results after fitting a hat type disc rotor...
Disc Rotor Minimum Thickness
Australian Standard AS3617‐1997 4.3 (b)(iii) ‐ If after machining the brake disc measures on or below the minimum thickness specified by the vehicle manufacturer, the brake disc...
Bedding In Brakes
Both disc rotors and brake pads are manufactured to exacting tolerances so why bed them in? Regardless of material chemistry, the two...
Thermographic heat paint
Does the heat paint return to its original colour? The thermo graphic heat paint used in DBA Performance 4000 and 5000 series disc rotors has...