You ARE accounting for them, right?

DEF is easy to contaminate, and fortunately, it’s also easy to test. Check to be sure that your customers’ DEF is up to spec with these simple tests.
In this challenge, techs and DIYers get as close as possible to a target final pressure to see who’s got the best skills and strategies at the tire machine.
Which of the following is LEAST LIKELY to require a separate gasket for installation?
Crank fasteners are often a real pain to remove. Mechanics with expensive impact wrenches and large breaker bars struggle to remove them—but there’s a better way.
Under what conditions would the EGR system be expected to be operational? We have the correct answer.
Break out your paint pen—you’re the service writer now!
Do you have a study guide to prepare for your ASE exams? Which parts of that study guide do you use the most? Dorman Training Center instructor Pete Meier explains.
Why wouldn’t your shop purchase a few of these?
Two technicians are examining a tapping sound coming from a V6 engine. See who has the correct response about what’s causing the noise.
We’ve all heard the expression “buy once, cry once,” and for some auto parts, those are words of wisdom. For others, it might be an unnecessary expense.
When it is necessary to make your own gaskets, small bolt holes are often the trickiest features to cut.
Which of the following is the most critical result of a rust hole in an exhaust system?