Diagnostic Dilemmas: The Effects of Warm-Up Laps on a Running Engine
Most diagnostic technicians have experienced the frustrations of troubleshooting temperature-related engine performance problems. All too often, the true nature of the problem is concealed by the very fact that it occurs only at specific engine temperatures. If the engine quickly passes through the critical temperature range needed to duplicate the problem, the problem can easily
Internal Engine Repairs: Why Head Gaskets Fail
A blown head gasket is bad news for any motorist. It means the cylinder head has to be removed, and possibly resurfaced, to replace the head gasket. If coolant has entered the cylinders and/or crankcase, additional repairs or a whole new engine may be needed depending on the extent of the damage. Anyway you look
Selling Service for Low-Maintenance Ignition Systems
ition system maintenance as long as it feels like it’s “running good.” In reality, spark plugs eventually develop high electrical resistance because the electrodes wear away. When this happens, the secondary ignition voltage will increase until the ignition coil, ignition cable, spark plug boot or spark plug develops a high-voltage leak. When a high-voltage leak
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
When it’s Time for a Rebuilt Engine Installation
I noticed the Toyota 4WD truck as soon as I turned into the parking lot on Monday morning. I knew the owner because we’d been servicing his vehicles for a number of years, and I was always impressed by how clean and straight the truck was for its age. It was parked kind of crooked,
Aftermarket Update: Underhood Service
AMI Announces 2004 Babcox Memorial Scholarship Recipient Bedford, TX – The Automotive Management Institute (AMI), in conjunction with Babcox Publications, recently announced Gregory J. Satori, owner, Satori’s Auto Service, Manitowoc, WI, as the recipient of the Tom B. Babcox Memorial Scholarship. The scholarship recognizes a management-oriented member of the Automotive Service Association (ASA) Mechanical Division.
Ending a Volvo Head Gasket Leak
Volvo engines have always been noted for their durability and long-term, trouble-free operation. But just like any internal combustion engine, they could develop head gasket problems that stem from owner neglect or the engine design. This article will detail the diagnostic process and procedures for replacing the head gasket in the most common Volvo engine
The Lube, Oil and Filter Market
As with everything else under the automotive sun, technology is changing the lube, oil and filter market. To be more specific, modern technology is making it possible to use the vehicle’s on-board engine management system to mathematically determine the length of an oil change interval. At the most basic level, the PCM simply adds up
News: Underhood Service
CARQUEST Selects 2004 TECH-NET Professional/ASE Technician of the Year Raleigh, NC – Richard Robb of Elkhorn, WI, has been named the 2004 TECH-NET Professional/ASE Technician of the Year. Owner of Hi-Tech Automotive, Robb is an ASE-certified master automobile technician with L-1 certification. He was selected for the award after meeting the criteria set by CARQUEST
CO2 Systems Will Breathe New Life Into A/C Designs
SAE to work with the industry and the EPA to create efficient, environmentally sound automotive refrigerant systems, but how will it affect technicians and repair shop profits? The Society of Automotive Engineers (SAE) recently announced a cooperative research program that will work with the industry and the U.S. Environmental Protection Agency (EPA) to develop and