Directions
Edward Sunkin has been the editor of Underhood Service since April of 1999. He has been a member of the Babcox family of automotive aftermarket publications beginning in December 1994, when he joined the jobber/parts specialist magazine Counterman as an associate editor. Edward also spent three years as managing editor Engine Builder, learning about the
Back to School – With the Car: NAPA Recommends Sending an ”Auto Care Package” off to College
As summer winds down and young adults prepare to head back to college, NAPA AUTO PARTS recommends that parents assemble an "Auto Care Package" to send with their students. Planning ahead will help keep the car operational and may prevent breakdowns that could leave students stranded along the roadside.
Rotating Electrical Parts Back to the Seller
Fighting the Urge To Return Electrica Components
Battery, Charging & Ignition System Diagnosis: Getting Around those Difficult-To-Diagnose Faults
What do you really need to know about diagnosing and repairing starting, charging and ignition systems? Basically two things: that electrical and ignition problems are often difficult to diagnose (especially intermittent faults), and that a lot of electrical and ignition parts are unnecessarily replaced in an attempt to repair problems that are hard to diagnose.
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
Understanding How a Battery Operates
In the automobile, the battery serves three main functions. First is the obvious. It supplies electrical power for the ignition system, starter, computer system and every other electrical component while the engine is not running (or any other instance when the alternator is not charging). Second, it serves as a reserve power source, should the
Debunking the Battery
In the automobile, the battery serves three main functions. First is the obvious. It supplies electrical power for the ignition system, starter, computer system, and every other electrical component while the engine is not running (or any other instance when the alternator is not charging). Second, it serves as a reserve power source, should the
Mastering Mercedes Multiplexing
“CAN” is the new buzz word in automobile diagnostics. It stands for Controller Area Network and is a protocol for onboard diagnostics and scan tools. CAN is a high-speed data link that provides more information at a faster rate for better communication between onboard electronics and external diagnostic equipment. Many manufacturers have already started incorporating
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
The Ins and Outs of Diagnosing Battery, Charging and Starter Problems
You answer the phone and the voice on the other end says, “My car won’t start.” When temperatures drop, the no-start calls start pouring in. Cold weather increases the strain on the battery, starting and charging system and tends to bring out any weaknesses in these components. Cold weather thickens the oil and makes the