Technical Bulletins

See a clear example of why you should always purchase OEM-matched aftermarket brake parts. 

A discussion of how excessive moisture build-up can lead to a pedal pulsation over time. 

How mistakenly putting petroleum-based fluid in your master cylinder can cause problems with your brake system. 

A discussion about why cleaning wheel hubs is so important during a brake job, and what tools can help with extremely rusty hubs.

A discussion about how a low brake pedal may not always be caused by a problem in the hydraulic system. 

Troubleshoot a hard brake pedal with these brake booster checks and tests. 

How to properly identify brake noises and know what’s causing them.

How to properly inspect a brake hose both internally and externally. 

A discussion about the cause of pedal pulsation and how to fix it. 

A discussion on how a fixed caliper operates vs. a floating caliper. 

How to perform an isolation test/line lock test to properly diagnose a spongy brake pedal.

A discussion about how to remove a rear drum-in-hat rotor that is stuck on the parking brake. 

A discussion about the different types of brake pad wear sensors. 

A discussion about the problems that can occur if lug nuts aren't torqued evenly and to specifications. 

A discussion about how to properly inspect and clean a caliper bracket to avoid brake noise, brake pull and/or premature/uneven pad wear. 

A discussion about how overheated brakes, brake drag or premature brake wear can actually be caused by a clogged brake hose as opposed to a problem with the caliper. 

A discussion about how to identify the correct hardware for your application when multiple hardware kits come in the box with your brake pads. 

Discussing the different types of rear brake hardware, what their function is and why it is always important to replace drum brake hardware during a rear brake job. 

A discussion about the proper replacement procedure for a 2000-2008 Ford Focus rear brake drum.

Discussing the tools you need to perform a quality brake job. 

How to use a C-clamp to install brakes that use drag reduction clips. 

How to properly remove a caliper during a brake job when the caliper is OK to reuse. 

Condition: Parking Brake Cable is Frozen

How to figure out if a frozen wheel cylinder is the cause of rapid front brake wear/a loss of braking. 

How to properly inspect a caliper piston's operation to ensure the square cut seal is working properly. 

A discussion about what to do if the brake fluid levels in your master cylinder reservoir are too high or too low. 

A discussion about inspecting your brake fluid, testing your brake fluid for moisture content and diagnosing the cause of low fluid levels. 

A discussion about the different types of brake fluid and their distinguishing characteristics. 

What to do when the ABS light is on or there is a false ABS activation after a wheel bearing hub replacement.

How to diagnose and correct the cause of brake pull.

A discussion about “hot spots” on a rotor's surface. 

A discussion about the safety issues of using lightweight rotors. 

How to properly check rotor runout. 

How to repair or attach a wire to a circuit. 

A discussion about the cause of brake pedal pulsation 2-4,000 miles after brake service.

A discussion about the importance of on-vehicle brake lathe use. 

A discussion about electrical circuit repairs.

How to fix a low-sinking or spongy brake pedal. 

How to fix hard braking/lack of power assist in cold weather. 

How to fix slow speed ABS false modulation on SUVs and Light and Medium Duty Trucks. This is a revision of bulletin 02-02.

A discussion about brake noise, vibration and harshness

 Brake Pad Burnishing on Severe Duty Applications

A discussion about the safety precautions you need to take before servicing a hybrid vehicle.

How to bench bleed a step bore master cylinder. 

How to troubleshoot the magneto resistive wheel speed sensor.

How to identify brake hose restriction. 

A discussion about the causes of brake pad puck (lining) shearing. 

How to properly use brake lubricants.

A discussion about the development, refinement and implementation of Raybestos friction technology. 

How to properly clean a new or machined rotor before installation. 

How to purge air and contaminates from a hydraulic system with a pressure bleeder.

A discussion about the features and benefits of rebuilt calipers. 

How noise, brake pull and/or pulsation could be caused by bearing failure and how to identify it.

A discussion about the cause of pedal pulsation. 

How to calibrate a bench-type brake lathe. 

How to check the lateral runout on a rotor. 

A discussion about brake lubricant, including what to use and where to use it. 

A discussion about variable reluctance wheel speed sensors. 

A discussion about passive and active wheel speed sensors.

A discussion about torque limiting sockets (torque sticks).

How to fix lateral runout causing pedal pulsation one to 12 thousand miles after a brake service. 

How to diagnose the cause of a low/spongy brake pedal with an isolation test. 

A discussion about the basic principles of braking. 

A discussion about ceramic brake pads. 

A quick tip that makes service to rear drum brakes easier.

How to maintain a safe brake temperature.

How to minimize brake dust on wheels. 

A discussion about voltage drop tests.

How to see if low source voltage is causing your ABS system to malfunction. 

How to diagnose if the RWAL/RABS valves are restricting fluid flow on Kelsey Hayes rear wheel ABS systems.

A discussion about on-the-car brake lathes.

A discussion about digital volt-ohm meters (DVOM) and its importance in diagnosing electrical and electronic problems.

How to determine if brake pulsation is coming from the front or rear in vehicles with four-wheel disc brakes. 

A discussion about how brake fluid can cause corrosion in your hydraulic system over time. 

A discussion about infrared thermometers and how they are used to evaluate brake system efficiency.

A discussion about lubrication and where to locate lubrication points.

How to resurface drilled and slotted performance rotors. 

How to fix rotor lateral runout with correction plates. 

Tips on brake lathe maintenance. 

How to use an on-car lathe with ABS-equipped vehicles. 

A discussion on the concerns surrounding manual transmission clutch replacement.

How improper voltage can lead to misleading ABS codes.

A discussion on why sanding drums and rotors is NOT recommended. 

How to resolve slow-speed ABS false modulation.

How to diagnose the problem of disc brake squeal after brake reline. 

How to do a quick check for rear brake shoe contact area.

How to fix brake drag on lifted trucks. 

A discussion about non-ferris ceramic brake pads.

Test procedures for wheel speed sensor testing. 

A discussion about brake bleeding.

How to resurface high performance/fleet duty rotors.

How to perform an isolation test when you have a low brake pedal.

A discussion about brake lubricants.

A discussion about the three most common methods used to bleed brakes. 

A discussion about how corrosion on your calipers can cause problems with your brake system. 

A discussion about how corrosion on your rotors can cause problems with your brake system.