Diagnostic Solutions: Cooling Fan Failure Diagnosis
Cooling fan operation is often taken for granted by many technicians because testing a cooling fan requires at least 15 minutes of fast idling or running until the coolant temperature reaches 220-230° F. If the cooling fan doesn’t activate, a coolant temperature sensor, fan relay, fan electrical circuit or the fan itself may be at
Diagnose Problems Faster and More Easily with the Raytek MiniTemp Infrared Thermometers
Portable IR thermometers have become indispensable tools for automotive troubleshooting and diagnostics. Quick noncontact temperature measurements make it easy to spot cooling system faults, identify engine misfires, check for proper A/C performance, verify catalytic converter operation and much more.
Rotating Electric Update
Question: There is a lot of talk in the industry regarding returns on non-defective parts. So, how can repair shops and technicians reduce the number of warranty returns on rotating electrical parts? Answer: Misdiagnosis of starting and charging problems is the main reason many starters and alternators are returned. The issue isn’t the quality of
Diagnostic Oddities
This article is dedicated to some Ford specific issues that, after being brought to light, can save your shop thousands of dollars in wasted time and liability. There may be some other makes out there with some similar designs and quirks, but the only technical references will be for Ford vehicles. By Glen Beanard Giddy
News Update: Heritage Equity Group Names Executive Council Members
Art Lottes, Leon Viars and Joe Bagwell have been named members of the Heritage Equity Group Executive Council, the company recently announced. The cornerstone of Heritage Equity Group is Beck/Arnley, a full-line foreign nameplate replacement parts company, that it acquired in 2005. Together with Heritage Equity Group owners Max Dull, Patrick Greene and Richard Crawford,
Better Breathing: EGR Improvements
So Why Do We Have EGR? By Glen Beanard, technical contributor The Exhaust Gas Recirculation (EGR) system was created in the early 1970s for the same No. 1 ranking motivation that drives every other engine management system design — to reduce emissions. The EGR valve targets one specific pollutant, oxides of nitrogen (NOx). Under normal
Leak Detection: Becoming Your Shop’s Leak Detective
When a customer’s A/C system isn’t cooling well and the refrigerant charge is low, you know the system is leaking. The question is where? Finding refrigerant leaks on today’s vehicles can be a challenge. For one thing, many of the A/C system parts are buried and difficult to reach. Also, most systems today hold much
Weather Report
Today’s forecast is hot — damn hot with sprinkled patches of grease, burns, scrapes and fussy service managers. Does this sound like your shop in the summer? The alternative calls for waaaay cold with reports of numb fingers and aching feet and toes from standing on ice-cold concrete for eight hours at a time. The
Handling the Load
It takes a lot of amps to power the lights, electric defrosters, wipers, power windows, power seats, power liftgates, the ignition system, fuel injectors, fuel pump, cooling fan, A/C compressor, heater fan, heated seats, audio system and navigation systems on today’s late-model vehicles. Since alternators can generate only so many amps, their output may depend
Rotating Electrical Parts Back to the Seller
Fighting the Urge To Return Electrica Components