Technician A is preparing to recover the refrigerant from a customer’s vehicle. What are the steps he should take when performing this service?
Recovering A/C Refrigerant-ASE Practice Question (VIDEO)
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Dead Battery? (Video)
Dead Battery? (Video) Description With dozens of electronic control units on automobiles built in the last 25 years, incidents of battery drain caused by an ECU that will not turn off when it is supposed to are on the rise. Tracing the ultimate cause can be made...
Check Engine Light On?
Diagnosing an illuminated check engine light (CEL) is something professional technicians do on an everyday basis. The key to a correct diagnosis is following a logical diagnostic process and gathering the information you need to isolate and repair the cause. The...
Betcha Haven’t Serviced the Tool You Use on Every Job
The most dangerous thing we do all day long is one most of us don’t think about: we raise a vehicle weighing a ton or three high in the air and work beneath it. And yet, lifts aren’t maintained well in most shops. I’ve seen lifts out of plumb, bent legs, lifts with...
The Other Way to Use a File that Many Mechanics Don’t Know (VIDEO)
The Other Way to Use a File that Many Mechanics Don’t Know (VIDEO) Description Need a smooth finish on a part you’re cleaning up with a file? Lemmy shows how draw filing can achieve a clean result with a totally different method of holding a traditional...
Inside Global (Generic) OBD-II
The engine control module (ECM) could just as correctly be referred to as the emissions control module. Its primary function is to ensure that tailpipe emissions remain at or below the emissions standards to which the vehicle was originally certified. The ECM turns on...