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Maintenance

Article

The Cordless Age

Cordless items are obviously handy, but the downside is we end up with many different chargers...

Like most shops, mine has become increasingly populated with cordless power equipment, ranging from impact wrenches, drills, saws, grinders, vacuums, a wide array of flashlights, tablets, cell phones, cordless desk phones and on and on.

Article

Turbocharger Service Tips

Turbocharger Service Tips

Turbochargers are essentially compressors that direct more air into the engine’s cylinders in order to produce additional power. A turbo derives its energy source from both temp and pressure of exhaust gas. Intake air enters through the air cleaner into the turbo compressor inlet. The air is compressed which raises air density and volume.

Article

Tracking Electrical System Failures

Figure 9: Water entered this module, caused by a leaking through an exterior source. Initially...

The need to track down electrical system failures in today’s vehicles are more prevalent now than they were many years ago. With the addition of system add-ons such as increased safety items, more entertainment and creature comfort options and overall improved vehicle operating capabilities, the technician is faced with the added complexity of performing proper diagnostics.

Article

Chasing Chassis Complaints: Tips and Diagnostics From the Experts

You can monitor suspension noise by checking both audio and visual noise levels.

Diagnosing chassis issues, including noise, vibration and drivability concerns ranges from the simple to the difficult-to-pinpoint. In this article we’ll discuss a variety of tips, both vehicle-specific and generic. As part of the article, we’ve included insightful comments from Federal-Mogul Motorparts and Arnott.

Article

Challenges You Face with Difficult Customers

Challenges You Face with Difficult Customers

This happens frequently, with many shops experiencing a frustrating issue with what we tend to identify as “difficult” customers. A passenger car enters the shop for a reported “brake noise.” Your inspection reveals badly scored front rotors, a badly rusted right rear rotor, stuck calipers, badly worn front pads and flexible brake hoses that have seen better days.

Article

OEM Battery Trends

Johnson Controls manufactures absorbed glass mat (AGM) batteries under private label for a range...

While the latest high-tech amenities are adding numerous safety, comfort and convenience benefits to a vehicle, they also are creating more battery-related issues for vehicle owners.

Article

Avoiding Brake Service Comebacks

Avoiding Brake Service Comebacks

A number of potential problems can easily result in operational issues and/or customer complaints following brake system service. Here we’ll discuss a few points that will help to avoid these concerns and help give your customers a “sweet” ride.

Article

Diagnosing and Servicing Gasoline Direct Injection Systems

Figure 2: The top scan tool graphic shows low side pressure at about 60 psi. The bottom graph...

For those of you who can recall when the manufacturers first came out with the port fuel injected systems, you will remember it wasn’t long before we saw some predictable problems surface on these vehicles, such as olefin and diolefin buildup on the pintle area of the injector causing a restriction.

Article

Towing the Line

Towing the Line

Quite often, vehicles enter your shop which feature a trailer hitch (bumper hitch, frame-mounted hitch receiver). This should alert you to that fact that the customer may, on occasion, be using their vehicle to tow a recreational or commercial trailer.

Article

There’s No Stopping the Electric Parking Brake

There’s No Stopping the Electric Parking Brake

The advent of electronic parking brake (EPB) systems offers advanced technology but can pose challenges for the service technician. This article explains the current systems and provides insight regarding understanding and troubleshooting these non-mechanical approaches.