Featured Archives - Page 6 of 16 - UnderhoodService
What Does The Customer Need?

What you repair, how often you perform maintenance, typical component failures and the motivating reason for owning a vehicle have already changed.

Speed Wrench: Providing Repairs And Customer Service With A Retro Flair

Customers at Speed Wrench Garage in Sandwich, IL, a Bumper to Bumper certified service center, certainly appreciate the attention to detail, whether it’s the authentic Texaco Motor Oil sign, or the reclaimed hubcaps adorning the wall.

TPMS Service: Taking Temperature Into Account

Ambient temperature affects tire pressure, and in the new world of TPMS, where the vehicle is constantly vigilant of tire pressure, these sometimes subtle changes in pressure could trigger the TPMS. For each 10° F of ambient temperature, tire pressures will change about 2%, or about 1 psi.

Tech Tip: Nissan Clunking Or Thumping Noise At Start Up

Fix Nissan vehicles that have a clunking or thumping noise with this TSB.

Alternator Testing: What Is The Correct Voltage?

For some alternators, it’s normal to see as low as 13 volts. For some, a constant 13.6 volts is an indication of a problem. For others, it’s normal to see as high as 16 volts for long stretches. Still, it’s perfectly normal for others to see the alternator not charge at all intermittently.

car-alternator-battery-charging-system
The Duramax Dilemma: Injector Circuit Diagnostics

The owner of this GM Duramax was headed to Montana on vacation with his family and camper trailer in tow. After stopping for lunch, the owner was dismayed to find that his Duramax immediately went into “limp mode” as the engine started.

The Evolving Oil Change Market

The only constant in the oil change business is change itself, especially if you’re trying to maintain an inventory of engine oil for all makes and models of vehicles.

What Repair Shops Should Know About Selling Filters

Consumers want the long-term benefits of choosing a premium filter, but they also want a reward now for making a smart choice.

Tips For Winter TPMS Service

The installation of snow tires can throw a monkey wrench into your service opportunities this winter if you’re not accustomed to dealing with TPMS. The laws regarding TPMS service are clear when it comes to what is, and what isn’t, proper protocol. Because these sensors are essential components for maintaining adequate air pressure, technicians are

Winter Maintenance Tips From Some of America’s Coldest Cities

Staying on top of your inspections is important, but there are some parts of the U.S. where winter maintenance takes on a new level of importance.

Changing How You Upsell Maintenance Service

We talked with three shop owners about how their shops maximize sales by educating the consumer and refining their in-house processes.

Subaru Oil Temperature Lamp Flashing, Multiple DTCs

If you encounter a Subaru that has the oil temperature warning lamp flashing with a code stored in memory and possibly an intermittent stalling condition, it may be the result of contamination in the valve body.