Brake Pulsation Questions Causes, Rotors, DTV
Brake Questions Answered by the editors of BRAKE & FRONT END 1. What causes runout? Brake Rotor runout can be caused by several things: variations in manufacturing tolerances, sloppy resurfacing procedures, a buildup of rust and corrosion between the rotor, hub and wheel, and uneven torque on the lug nuts. 2. What else can cause
Subaru: The ‘Complete Service’ Value Proposition
Begins With Determining How Customers Use Their Vehicles
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
Diagnostic Solutions: Noise, Vibration & Harshness Diagnosis
Since the earliest days of the automotive service business, “squeak and rattle” diagnostics has become a euphemism for low-profit, nuisance repair work. Unfortunately for those of us in the auto repair business, even our best customers have the occasional need for noise, vibration and harshness (NVH) diagnostics. On the plus side, if NVH diagnostics are
Selling Services: Our 15 Minutes: Can A Truck Stop A Plane?
Engineering and servicing brake systems has likely never been considered a “glory job.” However, it is certainly a necessary, challenging and rewarding occupation. Our contribution to driver safety and confidence can be rivaled by few others outside the medical domain. When I first started in the brake industry, I quickly came to a point where
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
Diagnostic Solutions: Disc Brake Caliper, Inspection and Installation Procedures
The repair or replacement of disc brake calipers has always been a controversial topic for most import shop owners and brake technicians. Some recommend replacing the brake calipers along with the brake pads, while others won’t replace the calipers unless they’re found to be defective. For many, routine caliper replacement is a cost issue and
From Rivets to Hooks: The Changing Brake Attachment Market
Relining and Rivets In the early days of BRAKE & FRONT END, the brake job was known as a reline. The technician would pull the drum and attach fresh friction material to the shoes at the shop. In 1931, a complete reline with adjustment could be had for $10.00! The shops could buy friction material
Suspension & Brake Repairs: Ensure Customer Service and Safe Vehicle Operation
This month, we find ourselves in a familiar environment — under a car or in the wheel well. The good news is you’re under a Mazda car or truck that will present few surprises in terms of service procedures, while providing the additional service opportunities we’ve come to expect from undercar repairs. A vehicle can
Brake Pad Wear
Brake pads are one of the few remaining accepted wear items in a modern vehicle. As a result, it represents a significant revenue opportunity for the service community. Drivers would surely love to have brake pads last for life. Service shop owners may have a different opinion. I’m sure that shop owners must deal daily
Nondirectional Rotor Finishes: Do You Need Them?
You have probably heard that nondirectional rotor finishes can lessen the risk of new brake pads squealing. They can, but do you really need to apply a nondirectional finish to freshly turned rotors. And what about new rotors? Should you give them a nondirectional finish if they don’t have one? Like many issues concerning brake
2006 Ford Explorer Pointers
Photo 2). Another change for the 4.6L in 2006 is that it no longer uses a knock sensor. Both, the 4.0L and the 4.6L use a PCM-controlled heated PCV valve. The PCV valve on the 4.0L SOHC engine is located in the back of the left valve cover, mounted horizontally, and is well hidden from