Under The Hood

1  -  20  of  29

January 17, 2013

Maximizing Filter Performance To Reduce Maintenance Costs

In the heavy-duty trucking business, fleet managers must be ready to expect the unexpected as seemingly minor unexpected maintenance can ultimately lead to a major system failure

January 17, 2013

The Next Generation of Oils: New API oil category will help meet fuel economy/GHG regs

Three years from now, you'll see a new API diesel engine oil-service category, designed to help meet federal greenhouse gas/fuel economy standards, which have a final phase-in date set for model year 2018 trucks.

January 5, 2013

The business case for synthetic lubes goes beyond extended drain intervals

For years, some fleets have turned to synthetic engine oils for easier starts in cold-weather climates and to help them extend oil drain intervals

November 6, 2012

Maintaining Diesels

You don't have to go far to find a fleet having trouble with engines. Mostly they report emissions systems problems, not surprising given the short time the engine makers had to meet the Environmental Protection Agency's tight timelines. To be fair, owners of diesels meeting EPA 2010 standards are reporting fewer problems than they had with the first few generations of EPA 2007-compliant engines

November 2, 2012

Are your batteries up to the challenge?

Uptime and utilization are everything, so you don't want a truck sitting on the shop floor during basic battery maintenance. Most fleets pull the batteries at the first sign of trouble and replace them with fresh batteries to get the truck moving again, planning to deal with the bad batteries later. But what killed the batteries in the first place

October 16, 2012

New Oil Category Will Help Meet Fuel Economy/GHG Emissions Regs

By January of 2016, you'll see a new API diesel engine oil classification, designed to help meet federal greenhouse gas/fuel economy standards. In fact, you may, for the first time, see two separate categories

September 10, 2012

Coolant Basics: New TMC Recommendations

Engine failure due to cylinder liner cavitation corrosion is disturbingly common in the industry, yet it typically can be prevented through proper cooling system maintenance

July 23, 2012

6 Steps to Cleaner Fuel

If you take the plunger out of one of today's fuel injectors and hold it in your hand, the warmth of your hand will make the metal expand so you can't get the plunger back inside the barrel.

April 18, 2012

How Oil Filters Can Help Fleets Extend Drain Intervals

High diesel and crude oil prices may make headlines, but the cost of engine oil has risen, as well, making an extended-oil-drain strategy more appealing

January 3, 2012

Charging Batteries in Cold Weather

One of the biggest misconceptions is that batteries charge the same throughout the year. They simply don't! In warm weather (above 40 degrees), batteries are very easy to recharge

October 12, 2011

12 Things You Should Know About Oil & Coolant Analysis

Oil and coolant are like your blood and your sweat, respectively, and they have to work together to keep you aliv

August 15, 2011

The Art and Science of Truck and Engine Diagnostics

Diagnostics took a while to become a high art, though for for a long time it was a human one.

July 10, 2011

HVAC: Environmentally Friendly Refrigerants of the Future

There may be a new refrigerant in your future. This year, the first stage of a European Union ban goes into effect on mobile refrigerants with a global warming potential greater than 150 in new car and light-truck platforms

July 10, 2011

2010 Engine Scorecard: Updated

There are several themes that run through almost any conversation about 2010 engines these days. Mostly they represent good news, we found as we talked to a variety of fleets in a follow-up to last October's "EPA 2010 Engine Scorecard.

May 17, 2011

The Risks of Hydrocarbon Refrigerant Blends

When the temperatures warm up, it's a good time to remind technicians and drivers about the dangers associated with hydrocarbon refrigerants being sold as cheap substitutes for R-134a and R-12

May 2, 2011

Charged Up: Battery Advances

Lead acid batteries - the most common type of battery found in trucking and automotive applications - were developed in the mid-1800s. After more than 160 years, the technology still delivers, because lead acid batteries are relatively inexpensive when compared with other types of batteries

January 5, 2011

Don't Take Grease for Granted

Grease has been called the "Rodney Dangerfield of lubricants." The late comedian was often known to lament, "I just don't get no respect." Likewise, grease is often an afterthought when it comes to truck maintenance

December 2, 2010

Filtering Out The Facts

One of the methods all diesel engine manufacturers have adopted to reduce emissions - especially particulate

August 18, 2010

Synthetic Oils & Lubes: Made to Measure

Synthetic oils make up only a small part of the lubricant market, but they are set to take on a more significant role

June 18, 2010

EGR Cooler Maintenance

The Technology and Maintenance Council has a Task Force looking in to EGR cooler maintenance


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