Drum Brakes, Understanding The Hydraulic Side
The wheel cylinder supplies the muscle for a drum brake. Most wheel cylinders are relatively simple: a pair of horizontally opposed pistons mounted inside a cast iron or aluminum housing. A brake line or hose from the master cylinder routes hydraulic pressure to the wheel cylinder, which pushes the pistons out. This forces the brake
Disc Brake Calipers
Disc brake calipers come in many sizes and configurations, including fixed-caliper, multi-piston designs, and the more modern floating-caliper, single piston designs that may also contain a mechanically actuated parking brake. Needless to say, disc brake calipers have undergone a series of design changes that continue to make them more adaptable to late-model import vehicle applications.
Technician Health and Safety: The Most Important Tool You’ll Ever Own
The life of an automobile technician is filled with many short- and long-term health hazards. The health offenses that I can recall throughout my career include: cuts to the hands, arms and face; burns on my hands and arms; flying debris in my eye; squirting fluid in my eye; breathing car-generated dust; breathing excess car
The Pricing Game: Technology Puts Part Prices in the Hands of Your Customers
What is the right amount for parts mark up? 20%, 35%, 100%, or do you just go by the retail price of a part as determined by the manufacturer, jobber or WD? This is a tough question in terms of business practices and ethics. This gray area can get a lot of people in trouble.
Bleed and Flush Pointers
As we all know, a bleed and flush is really two separate processes that many times overlap on the same job. Bleeding the system is done to remove all air from the hydraulic system, while flushing is performed to replace the fluid. More and more shops are performing a variety of fluid flush services as
Hydro-Boost Power Assist Systems: Operation Diagnosis and Repair
The hydro-boost uses the hydraulic pressure from the power steering system to provide the driver assist in applying the brakes.
Brake Tech Update: Uncovering Brake Fluid Leaks on Acura Integras
The brake fluid level on 1994 Integras may be low in the ABS reservoir, and fluid may appear to be leaking from under the label on the ABS accumulator. The likely cause is that the ABS accumulator internal O-ring is damaged, allowing brake fluid to leak out. Diagnosis: Remove the label from the ABS accumulator.
The Top 5 Favorite Tools of the Country’s Top Technicians
Dan & Kris Cesena Honda Hospital, Inc. San Mateo and Milpitas, CA Our top five favorite tools (and why) are: The Snap-on MicroVAT Battery/Starter/Alternator Tester. Why? Well it makes it much easier to test batteries, alternators and starters; it has an infrared port, which sends the data to an optional thermal printer; and with these
Volkswagen New Beetle Maintenance Essentials
The New Beetle has been around for several years now, and except for the classic shape, it’s not the Beetle of old. Unlike its ancestor, this New Beetle is conventional, modern and sophisticated. It has all of the bells and whistles of other current models, the performance and handling of a conventional front-wheel-drive car, and
Saab 5-Speed Tranny and Clutch Repair
When Saab first introduced the 9000-model lineup in 1986, the gearbox was mounted transversely in the car. It was designed in this way for effective cooling and to provide the shortest possible path for the power flow to the wheels. All Saab transmissions have five forward speeds and reverse – all of which are synchronized.