Even for an experienced diagnostic technician, attempting to diagnose an intermittent misfire condition that occurs only under specific driving conditions can be a frustrating exercise. Contributor Gary Goms breaks it down, and includes tips for using a scan tool and a lab scope.
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Need a refresher? Here’s a crash course.
As auto technicians, the need for precise dimensional measurements is far less frequent than it used to be. Measuring brake rotors used to be a daily practice; now it’s almost completely forgotten. Occasionally, however, we still find ourselves needing the accuracy. It may be on an engine diagnosis or repair, or maybe it’s an expensive brake rotor that we’re hoping to resurface.You reach into your toolbox to grab your digital caliper or micrometer. Many of us upgraded to digital many years back. After all, it’s a lot quicker, and when you’re getting older and your eyesight isn’t what it used to be, digital is a nice way to go. But if your luck is like mine, the battery is dead.You still have your old ones, but you don’t have time to waste, and you’re thinking, “how do I read this thing again?” Need a refresher? Here’s a crash course.
Oil type is just as important as oil capacity.
Steve Coffell, a technician at Auto World in Hazelwood, MO, says his Top 5 Favorite Tools are: Related Articles – Gray Tools Introduces Made-in-USA Insulated Socket Sets – K-Tool International Offers Backlit Tire Inflator Gauge – ProMAXX Debuts Air-Hammer-Powered Fuel Injector Puller Kits OTC Genisys Touch – Quick scan, bidirectional control Snap-on VANTAGE Pro
A wheel bearing that’s out of adjustment can reduce bearing life and can affect more than just the bearing. It’s important to adjust the wheel bearing endplay to the proper specifications. If the bearing set is adjusted too loose or too tight, it can cause the bearing to fail prematurely. There are a few types of assemblies, so using correct procedures and tools will ensure a comeback-free wheel bearing installation.
For shops, R-1234yf means several new procedures, a certification and new equipment in order to properly handle these new systems. Why the difference in handling and servicing R-1234yf systems versus R-134a? Flammability.
Every now and then, I get tunnel vision during diagnostics, and forget to think about the big picture.
Electronic leak detectors are much more sensitive and accurate than they were years ago.
Cortec suggests these simple options to prevent rust and ratchet hand tool maintenance up a notch.
The TechShop team visited Orlando, Florida last month to attend ISN’s Tool Dealer Expo.
