Recently I was organizing my books on a new bookshelf and came across one that I had almost forgotten about. I picked it up after seeing an exhibition called “See the USA: Automobile Travel and the American Landscape” at the Building Museum when I lived in D.C. The...
Description Which of the following statements about piston rings is incorrect? A) End gaps must be evenly spaced around the piston B) Rings are installed on the piston using a ring compressor C) Rings must be installed facing the correct vertical direction D) End gap...
Of all the fluids a vehicle needs, the brake fluid is arguably the most important. Inspecting your customers’ brake fluid is vital to the continued safe operation of the braking system. It’s a service you should perform not only when you’re servicing the brakes but as...
Description The Rust Belt and the Salt Belt may sound similar, and you might even hear them used interchangeably, but they are distinct names that any automotive professional or enthusiast should know. Take a few seconds to get the real story on these terms.Related...
Description Auto repair pros probably know the expression “buy once, cry once,” and for some tools, techs should buy the best they can afford. In other cases, cheap and basic versions will be just fine. So which tools are worthy of serious investment? Nick, Miriam,...
Description An engine exhibits a knocking noise. During a cylinder power balance test, the noise abates. Technician A says the noise is likely worn big-end bearings on the connecting rod. Technician B says the noise is likely piston slap. Who is correct?More ASE...
I recall being very alarmed at how far the door spring traveled. As a teenager in my first job at a dealer, I was working on a small S-10 truck that needed door hinge pin bushings. I levered that door spring out of its perch with a slotted screwdriver like a goon and...
Description Recently we took a trip to Dorman Proving Grounds manager Nick D'Alessio’s personal shop, Elite JDM. While we were there, we shot some videos about some fascinating things we found in his shop. We decided to put those four videos together in a playlist for...
Well, this was a humdinger. Let me explain how I ended up here. I was popping ball joints free from the lower A-arms so I could swing the CV axles out and replace the hub assemblies on this car. The left side freed up with a few taps. This side? Well, this picture is...
The Serviceability Hall Of Shame was born from all the times we’ve looked at a vehicle and realized some usually simple task was going to be nightmarish. It is, ultimately, a response and explanation of the inevitable question, “Good Lord, why?!” Today’s entrant isn’t...
Please forgive me, because I’m about to be a dinosaur and proselytize for a few moments. Many moons ago, I would have customers request an oil change and a lube job. It was so prevalent that the acronym for this, LOF, is still in pretty common use. (That’s “lube, oil,...
What to check when you’re checking out a car (VIDEO) Description What do you check when you’re going over a vehicle? If you’re like a few Dorman contributors, there’s likely to be a range of answers, a few dependencies, some overlapping areas,...
We’ve all found something strange in our mechanical travels. I’ve seen plenty of drugs. Having worked in the Midwest, guns were not unfamiliar. Most were usually accompanied by a pair of muddy duck boots in the passenger footwell. But I found a real good one...
As a little mechaniclet, I didn’t really give much thought to my air tool fittings or their air lines. Yes, the type of tool, the amount of air moving through the lines, and the distance from the compressor are all variables that determine how well a tool might work,...