2016 Editions Archives - UnderhoodService
Water Pump Replacement: Nissan VQ-35 Series

At the top of the list of the most difficult water pumps to ­replace are those found in the Nissan VQ-Series V6 engines. The pump is turned by the timing chain and is nestled in the engine block. This can make for a very difficult job no matter if the engine is mounted transversely or longitudinally.

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.

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.

Finding The Cause Of Battery Drain In A Chevrolet Impala

Finding the cause of battery drain can be tricky, but sometimes your ears will help you find the culprit.

Timing Chain Wear: Why Oil Quality Matters

Without proper timing of internal engine components, the engine will suffer a catastrophic failure. This is what happens when a timing chain or belt breaks.

The BMW M12: One Horsepower Per One CC

In 1986, the turbocharged BMW M12 engine for F1 could produce an amazing 1,500hp for qualifying trim. Not bad for a 1,500cc engine. Even more amazing was that they used stock blocks from their road cars to manufacture the engines.

Unconventional Auto Repairs

There are times when all the diagnostic trees, diagrams and graphs in the world aren’t enough to properly repair a vehicle. Sometimes, you just can’t get from Point A to Point B without some homemade ingenuity.

Are We The Underdogs of The American Economy, or Are We The Foundation?

The auto care industry is an economic underdog. But if you look a little closer, it’s been a cornerstone of growth through the good times and the bad.

Fencing In Vehicle Networks: Discussing Cybersecurity Best Practices On The Horizon

Shortly, you will see cars in your bays that have the ability to communicate with one another. These cars are already on the street, and can facilitate driver access to potentially dangerous networks.

Hyundai Fuel System And Emissions Diagnostics

Bob Dowie recently had a 2002 Elantra GLS in the shop. This vehicle is a good example of some common fuel trim and emissions problems you’ll see.