How do you know when it’s time to flush coolant? Technicians may have different views on the subject, but Dorman Training Center instructor Pete Meier explains how using a test strip at every service is a surefire way to get an accurate picture of the coolant’s health.
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Description Technician A is using the min/max function of a digital voltmeter to test the battery and charging system on a customer’s vehicle. He notes a max reading of 17.2 volts has been recorded. Technician B says that the alternator has failed and is overcharging....
If you’ve read my work here on Shop Press, you know I’m a sucker for chrome and mid-century automotive design. This week, I'd like to take a look at one of my favorite examples of that era: "Dagmar bumpers," the colorfully common slang used to describe the...
Description Aerosolized tire sealant is widely available, and in some vehicles, it is used in place of a full-size spare. While this “tire repair in a can” might be the best solution in a jam, it creates a messy, stinky situation for a tech changing the tire for a...
Back in the early aughts, I lived in the Washington, D.C. area for about nine years. Since my parents live in Pennsylvania, this necessitated many three-and-a-half-hour drives (as little as three, if I was lucky) back home for holidays or just a regular visit. At the...
Description Technician A and Technician B are discussing battery testing. Technician A says that an open circuit voltage of less than 10.5 volts indicates a bad battery. Technician B says that a reading of 12.5 volts indicates an 80% state of charge. Who is correct?A)...
Recently, I wrote about how brake cleaner can be hazardous if not used correctly, and how you should take safety precautions when using it. One of our readers had an insightful comment on the piece.Now, I think it’s debatable that carburetor cleaner is more hazardous...
Description When the check engine light (CEL) pops up and your OBD-II scan tool displays a code, that’s only the start of the diagnostic process. By breaking down the structures used to create DTCs, you can learn how to “decode” beyond the simple descriptions...
As we are deep into winter here in the northern hemisphere, I believe it’s time for this seasonally appropriate rant: clean the #&@$ing snow off the roof of your car or truck.
Now this is a well-cleaned car ready to hit the road! Photo by Jonathan Roth.
Look, I’ve been there. You’re running late for work after a big storm the night before, and you just want to do the bare minimum to get your car on the road and get to work. Well, don’t. According to research by the AAA Foundation for Traffic Safety, about 46 percent of crashes involving bad weather take place in the winter, and nearly every one of them is due to someone not spending time to actually prepare his or her motor vehicle for driving. Or at least that’s how I choose to interpret it. If it’s light and fluffy snow, it’ll blow off as you’re driving and obscure the visibility of other drivers. I’ve already driven behind people with so much flaky snow blowing off their car that I might as well have been in a thick fog. And if it’s in a truck bed? Powdery snow in a truck bed can blow for a damn hour, it seems like. If it’s hard-packed snow, that’s even worse. It’ll fly off the vehicle in sheets (also known as “ice missiles”), potentially smashing into someone’s windshield and possibly killing them.
You see this kind of behavior all the time. The Buffalo Bills were playing an away game this past Christmas Eve, while Buffalo was getting buried in four feet of snow. Video of the players coming back to their cars buried in snow went viral, but I chose to focus on the white SUV that barely had any snow cleared off the back.
After Buffalo #Bills played on Saturday Christmas Eve, they had to wait till Sunday and then had to fly to Rochester NY w Buffalo airport closed. Bused to their cars and they were buried in snow. Amazing. pic.twitter.com/zfmD0157Aw
In fact, in six states (New Hampshire, Connecticut, Michigan, New Jersey, Pennsylvania, and Rhode Island), the law explicitly says that snow and ice need to be cleared off your entire vehicle. In two of those states, the laws are actually named for drivers who were killed by ice falling from vehicles: Jessica’s Law in New Hampshire and Christine’s Law in Pennsylvania. Even in states that don’t have a specific law, police can and will cite motorists with driving with an unsecured load if they don’t clear the snow or ice off, or can hold the driver liable if that snow or ice causes an accident. This past December, a Washington state patrol trooper stopped a driver whose vehicle was completely covered in snow. The driver received a $553 ticket for negligent driving in the second degree. In fact, if you do just a quick Google search about accidents caused by snow not cleared from the roof of a vehicle, you’re likely going to get links to a bunch of accidentlawyer websites with information on this very topic. Do you really want to be on the receiving end of a lawsuit from one of these places?
The solution is really very simple. Buy a snow broom for your vehicle, keep it in your vehicle (maybe as part of your “car crate”), and use it. You can find them for as low as $12. I have one in my car. It’s a cheap one, but it does the job of pushing the snow off the roof. Just from my observations, though, there are too few damn people who have or use them. I also recommend reading this piece from the New York Time’s Wirecutter about best practices, steps, and tools for completely clearing the snow from your car.
It ain’t much, but it gets the job done. Photo by Jonathan Roth.
Possibly the biggest and most dangerous offenders of not clearing snow are tractor trailer drivers. I’ve already been on the highway behind a tractor trailer that had ice missiles flying off its roof, and boy, that was one of my scarier experiences while driving. I get that clearing snow and ice from the tops of trailers can be very difficult and often unsafe, but it is way more unsafe to have ice missiles flying off a trailer. However, I get that we don’t have a great solution for this yet. Fleets need to have some means of easily clearing the snow off the roofs of trailers, and there should also be something to remove snow from trailers at truck stops and weigh stations. We need ideas, pressure on fleets, and legislation to solve it. Some ideas have been thrown out like having defrosters on the roofs of trailers or making them curved or sloped in some way. Something similar to the FleetPlow shown in the video below would be great.
Whether or not we stop salting the roads, as my colleague Lemmy has proposed, it’s incumbent on all drivers to use freaking common sense when snow and ice storms hit. This must include all of us doing a better job of cleaning the snow and ice off our cars.
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Technician A completed a compression test, noting high readings suggest an exhaust restriction, while Technician B says the test checks volumetric efficiency.
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