Knowing When A DIYer Is In Over His Head
10/10/2011
A favorite pastime of mine is to hang out at the coffee pot end of the wholesale service counter and observe the comings and goings of my jobber store’s retail clientele. One minute it’s the high school kid attempting his first oil change; ... more
ASE PS2 Test Preparation Guide: Driveline Components
10/10/2011
● CONSTANT VELOCITY (CV) JOINTS — Used mostly in front-wheel drive (FWD) cars but also many four-wheel drive (4WD) and All-Wheel Drive (AWD) vehicles that allow the operating angle of the joint to change without affecting the speed of the shaft... more
Let There Be Light
1/25/2011
An illuminating story on the evolution and latest developments in headlamp technology. more |
The World of Fuel Pump Diagnosis
12/9/2011
It’s no secret to any parts professional that a very high percentage of in-tank electric fuel pumps returned for warranty aren’t truly defective. Unfortunately, many amateur and professional technicians assume that, because they can’... more
ASE PS2 Test Preparation Guide: Ignition System
10/10/2011
● SPARK PLUGS — Provide a source of ignition in each cylinder of a gasoline-powered engine. High voltage from an ignition coil passes down through the spark plug’s conductive core and jumps across an electrode gap at the end of the plug ... more
How To Sell And Use Automotive Chemicals
6/10/2011
In the modern era of reduced vehicle maintenance requirements, it’s very easy to develop a complacent attitude toward selling automotive chemicals. But, in our current market, automotive chemicals have become far more than just “snake oil&#... more
The Changing Face of Auto Repair
2/23/2011
At this moment, we’re entering into our third year of our Great Recession. On the one hand, our economy is building up some steam. Currently, some independents have prospered as neighboring dealerships and other independents have closed their door... more
How Automotive Computers Work and How They Fail
1/25/2011
To many amateur mechanics, an automotive computer is a “black box” that mysteriously controls all of the engine functions. In reality, an automotive computer or powertrain control module (PCM) is an information processor that turns electrical inputs from system sensors into electrical outputs into system actuators. more |