Wheel Speed Sensors
According to a recent BRAKE & FRONT END survey, the most commonly replaced ABS items are wheel speed sensors and wheel bearing hub units with wheel speed sensors. Pulling a wheel speed sensor code does not mean that you should immediately pull and replace the sensor. If you do not confirm the source of the
Diagnostics Through CAN Networks
Since model year 2003, a growing number of domestic and import vehicles have been built with a new onboard communications protocol called CAN (Controller Area Network). CAN is essentially an engineering standard for how computers and modules talk to one another via the serial data bus in a vehicle’s wiring system. It’s a high speed
A Brief History
In 1931, people thought Edward S. Babcox was insane for launching a magazine in the middle of the great depression. But, 75 years and almost 900 issues later, BRAKE & FRONT END is still going strong. For the past few months, I have been reading back issues of BRAKE & FRONT END non-stop. In musty
Import ABS Diagnostics: Customer Input Can Help Pinpoint System Culprits
The ABS warning light is on in your customer’s car and he wants you to check it out. So where do you start your diagnosis? Because the ABS warning light is on, you know the ABS system has detected some kind of fault. But are there other problems that may be affecting the ABS system?
Honda Brake Service: Successful Jobs Are in the Details
You can’t argue that Hondas aren’t popular cars that have earned customer loyalty by giving many miles of trouble-free service to their owners. It’s safe to say that Honda has changed the way the world builds cars. And to think they’ve done it in 30 years is truly remarkable. All machines, even the good ones,
Servicing Import ABS Systems
Import anti-lock brake systems (ABS) are pretty much the same as domestic ABS systems. In fact, the same OEM suppliers who make the ABS system components for import vehicle manufacturers also make them for domestic vehicle manufacturers. The differences that do exist are typically limited to calibration, diagnostic codes and procedures, and wiring. The ABS
Selling Services: Selling the Scope to Your Customer
While replacing a blown head gasket and re-torquing the head bolts, you reach into your tool box and grab your 1/2-inch impact and rattle the bolts down. Just kidding! You would reach for your torque wrench and accurately follow the manufacturer recommendations for torque patterns and values. To guarantee a quality repair, an accurate torque
Bleeding ABS Systems
Occasionally, there will be a need to replace an ABS modulator or other hydraulic component, such as a pump/motor or even a master cylinder, on some systems. When this need arises, it will be essential you are prepared for the task. This article provides an overview of some of the techniques, tools and procedures required
Diagnosis of Faulty ABS Systems
ABS diagnosis typically starts with accessing the associated DTCs and then applying the appropriate flowchart. There will be times when this type of approach will not be possible, or the occasions when it doesn’t yield positive results. When this is the case, it is always helpful to have an understanding of how the systems and
ABS Bleeding Service Pointers Help Complete the Job Right the First Time
Honda Honda has a well-deserved reputation for overall vehicle reliability, which extends to the ABS system. For the most part, bleeding the system will present no unusual problems. Caution: A word of warning when working around the accumulator and modulator assembly. The brake fluid is under thousands of pounds of pressure (3,625-5,075 psi). Be sure
Parking Brakes: The Forgotten Fourth Pedal…Or the Seldom-Used Stick
How Much Is Really Enough?
The Forgotten Fourth Pedal…Or…The Seldom-Used Stick
On some vehicles it is the forgotten fourth pedal. The emergency or parking brake is a critical component of the brake systems that should not be ignored. Though most motorists seldom use their parking brakes, it is a required safety device and must work properly when called upon to keep a vehicle stationary. The main