Power Steering Repair
A long time ago in a garage far away a young technician was seeking a repair of a steering system. He found there are a lot of things that can go wrong with a rack and pinion steering gear. The steering wheel vibrates at speeds above 45 miles per hour; the steering wheel doesn’t return
Compressors, Condensers & Refrigerant
Hot weather is just a few weeks away in many areas of the country, and that means plenty of air conditioning service opportunities. Years ago, A/C was considered a luxury. Now it’s a necessity. Automatic climate control systems use A/C year-round for defrost and dehumidification as well as cooling. Even so, it’s hot weather that
Power Steering Racks: Leak Diagnosis & Repair
Power steering is a wonderful invention, especially for those who lack upper body strength or have puny arms. Years ago it was considered a luxury option mostly for elderly people who drove big cars. But today, everybody wants effortless steering, whether they drive an econocar or a three-ton SUV. Consequently, virtually all cars are now
Brake Dynamometer Testing: One Test is Worth a Thousand Expert Opinions
Some friction material companies market their products by saying they are third-party tested or tested on their own brake dynamometer. But, understanding what this really means is tough if you do not understand how a brake dynamometer operates. In the engine performance world, an engine dynamometer is associated with measuring performance. Brake dynamometers also measure
Perspectives: How Global Issues Can Dictate Your Bottom Line
One of the vital tasks that shops must undertake is managing the expectations of their customers. This is really a job for anyone who sells a product. When I complain about the price of a pair of jeans that my wife buys for herself, she always says, “They don’t cost the same amount as they
Servicing Cartridge FWD Wheel Bearings
Early front-wheel-drive wheel bearing service was difficult and time intensive. The most common arrangement was a pair of tapered roller bearings similar to that of a rear-wheel-drive vehicle, but with a spacer between the bearings. Servicing this arrangement took time and often special tools. Of course, an axle shaft went through the bearings and spacer.
Steering Racks: Leak Diagnosis & Repair
Power steering is a wonderful invention, especially for those who lack upper body strength or have puny arms. Years ago it was considered a luxury option mostly for elderly people who drove big Buicks, Cadillacs, Lincolns and Imperials. But today, everybody wants effortless steering, whether they drive an econocar or a three-ton SUV. Consequently, virtually
A/C Update: Expect Refrigerant Prices to Have Chilling Affect on Your Customers
Well, it seems expected higher fuel prices (national gasoline prices set a record average high in March) won’t be the only bee in the bonnet of drivers this summer. If their vehicles need A/C service, car owners may get charged up over the higher refrigerant costs, too. Obviously, the fault is not yours – the
Operation, Diagnosis and Repair of Hydro-Boost Power Assist Systems
Hydro-boost power assist was introduced in 1973 by Bendix as an alternative to the vacuum booster. The hydro-boost uses the hydraulic pressure from the power steering system to provide the driver assist in applying the brakes. There are three reasons why a vehicle may be equipped with hydro-boost instead of a vacuum booster: The is
Rotor Metallurgy
In the past few years, the prices of rotors seem to be dropping. Call just about any parts supplier and they can quote you a vast range of prices for the same application. When you compare the rotors side-by-side, they may look the same. But, the difference between a comeback and satisfied customer might be
Rotors and Pads: Analyzing Replacement Options
Although the industry has seen anti-lock braking systems (ABS) become standard equipment on modern imports, the majority of brake service still focuses on the replacement of brake pads and rotors. Rotor replacement, of course, has changed because new rotors have become a more cost-effective method of resolving pedal pulsation and brake shimmy problems associated with
Parking Brakes: The Forgotten Fourth Pedal…Or the Seldom-Used Stick
How Much Is Really Enough?