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Diagnostic Dilemma: The Case of the Missing Code

When doing mobile diagnostic work, no-code stalling complaints are a major part of your agenda. In most cases, the client shop is simply too busy to duplicate the failure or, in some cases, a long test drive will yield nothing in the way of useful...

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Secondary Ignition: The Art of Spark

What is a coil? From the beginning of the internal combustion engine, several different ignition systems have been used to create a high-energy spark. The most popular system, and the one that’s in use today, is a step-up coil. A coil is nothing...

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Diagnosing Catalytic Converter Failure Symptoms

Although construction can vary according to engine application, the common three-way catalytic converter contains a reduction and oxidation stage. To create maximum surface area, each stage is generally a ­ceramic or stainless steel honeycomb substrate...

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Automotive Pet Peeves 2: Reader Feedback Is Overwhelming

How many auto repair pet peeves are out there? Well, enough of them that one article wouldn’t hold them all. I’ve received so many emails, texts and phone calls about my article in the February issue that I thought: why not put everyone’s pet peeve...

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Air Filter Show & Tell: Seeing Is Believing

Air filters are normal wear items that ­require regular checks and ­replacement. Their role is to trap dirt particles that can cause damage to engine cylinders, walls, pistons and piston rings. In fuel-injected vehicles, the air filter also plays...

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Searching For 'Black Holes': Job Totals Reveal Missed Selling Opportunities

The concept for Maintenance Chronicle is simple: We ask one shop to record their maintenance sales for a two-week period, and then we see what we learn from the results. This edition of Maintenance Chronicle also proved to be valuable for the shop we...

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Electronic Proportioning Valve: Doing More With Less Hardware

Anti-lock brake systems (ABS) and the HCU are replacing proportioning, combination and other valves to change the braking forces in the front and rear. This is called Electronic Brake Distribution (EBD) and it can dynamically change the proportioning...

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NHTSA’s GM Brake Line Corrosion Investigation: Reading Between the Brake Lines

There will be no recalls on some GM vehicles for brake line corrosion. Instead, we received an advisory from the National Highway and Traffic Safety Administration (NHTSA) about brake line inspection and car washes. What was not discussed was the corrosion...

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2007-2011 Ford Expedition and Navigator Air Suspension

The Ford Expedition air suspension does more than just lift and raise the vehicle. The system levels the vehicle under loads and when a trailer is attached. The system uses only two air bags on the rear axle unlike previous models with air bags on all...

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Maintaining Your Spray Guns

If there’s one piece of equipment that epitomizes the painter and the paint shop, it’s the spray gun. Over the years we’ve seen many spray guns. Although there are operating principles and functions that remain the same, some have been improved...

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Wheel Bearing Adjustment Tools & Equipment

A recent survey showed that more than half of the bearings on the road today are adjusted incorrectly. A wheel bearing that’s out of adjustment can reduce bearing life and can affect more than just the bearing. An out-of-adjustment bearing affects...

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ETI's ToolTech 2015 Focuses on the Connected Vehicle

ETI’s Annual ToolTech conference remains the premiere event in the tool and equipment industry with more than 115 professionals from over 50 companies in attendance at this year’s ToolTech 2015 in Austin, TX. The Equipment and Tool Institute's...

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Removal or installation of spark plugs on modern vehicles requires extreme precision and care. Before removing a spark plug, check to see if it’s still working properly and whether the engine itself is in...Read More

Headlines

From AutoCarePro
May 21,2015
Perfect for everyday carry, yet tough enough for life in the shop, the new Snap-on Rave SEK60 series knives are an exclusive Ken Onion design. This compact,...Read More

From AutoCarePro
May 21,2015
Of the more than 840,000 automotive technicians working in the United States, 17 outstanding individuals have qualified for the prestigious 2015 World...Read More

From AutoCarePro
May 20,2015
Standard Motor Products (SMP) has announced the launch of a new national print and digital advertising campaign titled “The Evolution of Parts” for...Read More

From AutoCarePro
May 20,2015
The 2015 SEMA Show will include a new expansion area to accommodate additional exhibitors during the SEMA Show, which takes place Nov. 3-6 in Las Vegas....Read More

From AutoCarePro
May 19,2015
When Dayco Products LLC, then known as Dayton Rubber Manufacturing Co., opened for business on May 17, 1905, it was a dream come true for the five seasoned...Read More

From AutoCarePro
May 19,2015
Years back, when I was looking to hire a technician, my first criteria would be the person’s skill level. In fact, I mainly based my decision on the...Read More

From AutoCarePro
May 19,2015
Not long ago it was easy to beat your competitors. All that you needed was more equipment, a healthy advertising budget and the ability to fix cars right...Read More

From AutoCarePro
May 19,2015
Perhaps the worst time to look to hire a technician, is when we lose one.  At that point we go into “Crisis Hire” mode.  We most often settle for...Read More

From AutoCarePro
May 19,2015
East Penn was presented with Federated Auto Parts’ most prestigious supplier award on May 14 during the Federated national meeting and awards dinner...Read More

From AutoCarePro
May 19,2015
Grace Autosport, the first all-female IndyCar Series racing team, announced plans to compete in the 100th running of the Indianapolis 500 at the Indianapolis...Read More

From AutoCarePro
May 18,2015
Tenneco has introduced new “Tech Talk” discussion forums to its monroe.com, monroebrakes.com and walkerexhaust.com websites. The forums aim to help...Read More

From AutoCarePro
May 18,2015
Ford, General Motors, FCA US and Nissan collectively would have earned $2 billion more in operating profit last year had their supplier relations improved...Read More
Latest articles from our other sites:

Ultimate Underhood: From Mechanical Fuel Injection to Putters

Mechanical constant stream fuel injection is the pinnacle of pure mechanical engineering. The mechanic setting up the system must optimize the amount of fuel for a given throttle position, rpm and engine...More

Induction Cleaning Service For Direct-Injection Vehicles

You may have seen it before: misfire codes, stumbling and suspicious fuel trim numbers. On a scan tool, the engine may show a loss in volumetric efficiency. The driver may complain about a loss of power,...More

Snap-on Partners With CRKT And Ken Onion To Design The Rave, Exclusive Compact Pocket Knife

Perfect for everyday carry, yet tough enough for life in the shop, the new Snap-on Rave SEK60 series knives are an exclusive Ken Onion design. This compact, folding pocket knife features a 2.3-inch blade...More

Auto Care Association And ASE Recognize World Class Technicians

Of the more than 840,000 automotive technicians working in the United States, 17 outstanding individuals have qualified for the prestigious 2015 World Class Technician Award. The Auto Care Association...More

Electronic Proportioning Valve: Doing More With Less Hardware

Anti-lock brake systems (ABS) and the HCU are replacing proportioning, combination and other valves to change the braking forces in the front and rear. This is called Electronic Brake Distribution (EBD)...More

NHTSA’s GM Brake Line Corrosion Investigation: Reading Between the Brake Lines

There will be no recalls on some GM vehicles for brake line corrosion. Instead, we received an advisory from the National Highway and Traffic Safety Administration (NHTSA) about brake line inspection and...More

Deluxe Maintenance Carts from Homak

Homak Manufacturing’s Big Dawg series includes its 44" 10-drawer Deluxe Maintenance Carts. Built to handle the demands of professional shops, these carts feature thick-gauge steel frames, heavy-duty...More

K-Seal by Solv-Tec Offers One-Step Permanent Coolant Leak Repair

The company calls it 'The Miracle in the Little Blue Bottle' – K-Seal by Solv-Tec is a one-step permanent coolant leak repair that permanently seals most leaks in the engine block, cylinder head, head...More