The ABS Phenomenon: Profitability Hinges on Solid Preventive Maintenance Program
Profitability Hinges On Solid Preventive Maintenance Program An unusual event happened last week: a customer actually wanted a glowing warning light on his anti-lock braking system diagnosed! A preliminary interview revealed that: a) the ABS warning light was continuously illuminated, b) the brakes pulled to the right, and, c) the brake pedal pulsated when pressure
Brake Caliper Diagnostics
The owner of a 2004 Malibu says that there is a squeaking noise coming from the right front wheel. A quick inspection shows that the master cylinder is low on fluid and the pads are down to the sensor. You tell the owner that she needs to have the brake pads replaced. She responds that
Complete Brake Jobs
Restore Brake System Integrity For Better Performance And Safer Driving The rate at which the brake linings wear out depends on the frequency of use, how hard the brakes are being applied, the temperature of the linings and the wear characteristics of the friction material itself. Consequently, a set of brake linings on one vehicle
Brake Tech: What is a Complete Brake Job?
Most motorists know brake linings don’t last forever. Brake pads and shoes use friction to stop a vehicle, so every time the brakes are applied the linings experience wear. After so many stops, the linings wear out. The rate at which the linings wear out depends on the frequency of use, how hard the brakes
Brake Fluid Q & A
Mike Evangelo of Dynamic Motorsports and Rossion Automotive e-mailed me with six questions about brake fluid. I like a challenge, so here are my answers. 1. What are the fundamental differences between synthetic fluid and conventional DOT 3 and 4? Simple, it all comes down to the base stock. Both synthetic and conventional brake fluids
The Long-Lasting Brake Job: Can Your Brake Job Go 12, 000 Miles Without a Problem?
All shops what to see a customer again, but not for a brake comeback. What is the magic number of miles that can separate a comeback from a service situation? In my opinion, the minimum is 12,000-miles. Even installing new friction, rotors and calipers will not ensure a long-lasting brake job. The long-lasting brake job
GM ‘W Platform’
Preventive Maintenance and Undercar Service
Selling Services: Brake Line Repair: Tubing, Hoses and Fluid
Corroded brake lines and flare nuts have been a problem since hydraulic brakes were first installed on vehicles. Improved materials and processes have improved serviceability, but in the Northeast and Midwest where salt and other agents are used to de-ice roads, it is still a problem. Brake Tubing 101 Beginning in the 1930s, the Bundy
Selling Services: Bleeding ABS Brakes after Component Replacement
Bleeding the brakes after brake components have been replaced is a step you don’t want to skip if you want a firm brake pedal. Air trapped in the lines, calipers or wheel cylinders will make the pedal feel soft and spongy. Air is compressible, so when the brakes are applied any air bubbles in the
Doing the ‘Complete’ Brake Job
Brake work continues to be a solid service opportunity for independent repair shops because brakes are items that inevitably wear out. Disc brake pads need to be replaced, and the rotors usually need to be turned or replaced. The front brakes do the most of the braking, so they receive most of the attention when
Braking Horsepower: How Much Does Your Car Have?
We all know brakes get hot, sometimes very hot. If you watch closely on race day, it’s not uncommon to see the rotor on a race car glowing bright orange. Iron is in the range of 1,700º F when orange. At the most basic level, a brake is an energy conversion device. Normally people will
Drum Brake Self Adjusters: Understanding These Ancient Devices
d bridge bolts. Opposing piston calipers are bolted to the knuckle and have pins to position the pads. Drum brakes have return springs to return the shoes to a rest position and hardware to hold the shoes to the backing plate. The shoes return to a fully retracted or rest position when the master cylinder