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Battery Testing 2.0: That Clicking Sound Doesn’t Always Mean a Bad Battery

Battery Testing 2.0: That Clicking Sound Doesn’t Always Mean a Bad Battery

Sometimes diagnosing a no-crank/no-start problem can be more difficult than diagnosing a driveability problem. The average passenger car or light truck has at least two dozen electronic control units on-board, and luxury vehicles can have three times that many. Some of those tiny electronic brains can make a decision that will drain the battery almost overnight.

Article

Make Shop Safety a Top Priority

Make Shop Safety a Top Priority

Shop safety is one of those topics that must be reviewed on a regular basis. It is also as enjoyable to discuss as sitting down to buy life insurance. I just hope my column reminds everyone to stop and take note of this important topic today.

Article

Tool Review: Sonic Strut Spring Compressor

Sonic Tools’ Canvik strut spring compressor’s basic kit (model 120001) includes two sets of jaw...

I’ve owned many coil spring compressor tools designed for use on MacPherson struts, some of which I like and some that I despise. Sonic Tools USA’s model 120001 (made for them by Scangrip Canvic) is now my favorite.

Article

HFO 1234yf Refrigerant and Coolant Mapping

A simple wax pellet thermostat.

When I look at the new vehicles that are rolling into the showrooms and being advertised on TV, the focus seems to be on customer comfort, convenience and fuel economy. This is definitely the focus of most manufacturers, and they continue to roll out products that achieve those goals.

Article

Failure in Spec: What Happens When a Mass Airflow Sensor Lies

This Acura engine has both a MAF and a manifold absolute pressure (MAP) sensor. Notice how...

Sometimes the hardest part of chasing driveability problems is knowing where to start. It’s tough enough when the trouble codes indicate something vague like “random misfire” or “system too lean,” but it can be even worse when there are no codes at all, with only a driver’s complaint about stalling or sluggish performance. What do you look at first?

Article

Rust Never Sleeps

Rust Never Sleeps

For those of us who reside in a “snowbelt” area of the country, city and county road crews have different approaches in their attempt to keep road surfaces clear and free of the slippery stuff (ice and snow).

Article

Tool Review: Sonic CV Boot Clamp Tool

The Dutch-made Sonic Tools’ CV boot clamp tensioner tool, P/N 805018, provides a grip handle for...

Sonic Tools is a manufacturer based in the Netherlands, with a U.S. headquarters in Alabama. I admit that I only recently became aware of the firm. The width and breadth of their line rivals any of the major tool providers that you may have dealt with. From screwdrivers to pneumatics to tool storage and everything in-between, they make it. Their catalog is absolutely mind-blowing.

Article

Profiting from TPMS Service

Here are some examples of TPMS sensors on the market today. Pictured clockwise from the top are...

Tire pressure monitoring systems (TPMS) are a significant advance in driving safety, but most motorists are unaware of the system’s importance or what to do when the warning light comes on.

Article

Addressing Carbon Buildup in GDI-Equipped Vehicles

Bosch GDI cutaway.

Driven by strict emission laws and a growing demand for low fuel consumption, an increasing number of vehicles equipped with gasoline direct injection systems (GDI) are now being seen on roads today. However, a common complaint about these vehicles has been the buildup of carbon deposits inside the cylinder head.

Article

Complete Brake Service Tips: Service Guidelines to Aid in Your Diagnosis

Brake rotor temperatures can rise to extreme levels during braking. The example shown here...

Brake service requires more than simply replacing rotors and pads. Rather than repairing the obvious issue(s), we need to determine the cause of the concerns to avoid repeating the problem. Taking the time to inspect the system will avoid comebacks and result in a satisfied customer. This brief article provides service guidelines as well as a variety of tips to aid in your diagnosis.

Article

Doing the Right Thing

Doing the Right Thing

Years ago, I wrote an article for our sister publication Modern Tire Dealer. I had the opportunity to spend a bit of time with the folks who ran a community-help program that was conducted by a tire dealer in cooperation with a local radio station, all based in a western New York state metropolitan area. The program was called “Captain Friendly.”

Article

4WD Shifts Without Command

4WD Shifts Without Command

This bulletin applies to 2004-2011 Chevy Colorado and GMC Canyon 4WD vehicles. If you have a customer that complains about an intermittent unrequested transfer case mode shift, scan for DTCs and correct as needed.