Getting the Most Out of Your Lifts
Lifts play an important role in the day-to-day operations of any automotive service facility. Some may even argue that a lift is a shop’s most valuable employee. After all, lifts never call in sick or go on vacation. However, one of the worst things a shop owner can do is fall into the trap of
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
Searching for the Diagnostic Path
Most recently, I’ve found myself dealing with an increasing number of random, multiple-code complaints that involve computer operating strategies and networking communications issues in which the multiple trouble codes or DTCs tend to be symptomatic, rather than indicative, of a component failure. A basic illustration of what I’m talking about is a simple DTC 44,
A Tutorial in Hyundai Driveability
Diagnosing a driveability problem starts with the customer interview. When you are able to obtain the proper details about the vehicle’s symptoms, you will be able to diagnose the source of the problem more efficiently. Clues provided by the customer, such as “vehicle starts but runs rough until warm; worse when wet,” is invaluable information
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
GM Timing Belt & Chain Service
Some overhead cam engines in General Motors vehicles use timing belts to drive the cam (the 2.0L for example), some use chains (2.3L Quad Four, Cadillac’s Northstar dual overhead cam 4.6L V8, the Aurora Northstar 4.0L V8 and Chevy’s Vortec 4200 inline six), and some use a combination of both (Chevrolet’s 3.4L V6). The rest
Perspectives: How’s Business?
Looking at the automotive market from a macro perspective, all of the major indicators are moving in the right direction. The total number of miles driven continues to increase, approaching 2.8 trillion miles per year; cars and trucks are lasting longer, therefore requiring more service over the total life of the vehicle; the average age
Radiator Diagnostics & Troubleshooting
Although radiators aren’t glamorous, high-tech replacement parts like wide-band oxygen sensors and Karman-Vortex air flow sensors, diagnosing and replacing them when they become defective is becoming a more important part of vehicle maintenance today. There are at least three reasons why radiators are becoming important maintenance items. First, late-model vehicles are now being driven well
Getting “Tuned” Into Exhaust System Service Opportunities
Although stainless steel exhaust systems have reduced the number of exhaust system replacements, it’s important to remember that regular exhaust system inspections remain an integral part of import service. When inspecting an exhaust system, remember that the exhaust pipe and muffler must: Help “tune” the engine for peak performance; Reduce noise to legal levels; Meet
MACS Show: Technical Session Coverage
Once a year, the Mobile Air Conditioning Society (MACS) hosts a trade show for A/C shop owners and technicians. This year’s event in Orlando, FL, provided a wealth of service information to those who attended the technical sessions. For those who couldn’t be there, we pass along some of the highlights from the technical sessions.