Wheel-Ends: Torque your nuts

Attaching wheels to a truck hub is serious business. Yet it's not uncommon to see some big bruiser of a mechanic, one foot against the bottom of the tire, whaling away with a 1-inch-drive impact gun driving the wheel nuts home


Tire Report: Wheel-End Problems -- Beyond the Obvious

We focus on tires here, mostly, but wheels and hubs, and the other gear that attaches tires to trucks, deserve attention too. Wheel-ends function as a system:


CSA 2010: Maintenance Musts

Vehicle maintenance is one of the top areas where fleets are at risk under the Federal Motor Carrier Safety Administration's new CSA 2010 program

Automatic tire inflation systems are now available for 19.5-inch wheels and wide-base single tires. (Photo by Jim Park)


All Pressured Up: Automatic Tire Inflation Systems Offer Protection from Underinflation Woes

As I write each month on the latest advancements in tire development and improvements in technology to prolong tire life and reduce operating costs, one single theme remains front and center: the need to keep tires properly inflated

The FMCSA's new Comprehensive Safety Analysis 2010 program identifies 10 different groups of parts and accessories that the government considers critical for safe operation. (Photo by Paccar Parts)


Suggestions for Meeting CSA 2010 Regulations in the Shop

Checking out idled trucks used for spare parts during the economic downturn before they return to service will be particularly important after new federal safety regulations go into effect in the fall of 201

Synthetic engine lubricants are not new, but their cost has made them unattractive. That may be changing.


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

There's always activity in developing new brake friction material. But new legislation and new players are forcing the pace. (Photo by Bendix Spicer Foundation Brake)


Friction In Focus: Trends in Brake Friction Manufacturing

Brake manufacturers are continually working with their friction material suppliers on new materials that satisfy the market's demand for noise, cost and wear with no compromise in performance. But there are also external pressures for change


EGR Cooler Maintenance

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

Your coolant/antifreeze is the heart of your cooling system - and there are more choices to keep on top of than there used to be. (Photo by Jim Park)


Running Cool: Maintaining Your Cooling System

Twenty years ago, putting coolant in a heavy truck could be a bit like a kid's chemistry experiment. You started out with silicate-based coolant/antifreeze designed for cars and light trucks

Trucks are getting heavier, especially on the front axle. But help is at hand with new weight-saving front-end introductions. (Photo by Jim Park)


The Weight is Over: New Front-End Introductions

Fleets spec'ing new trucks are suffering several stages of sticker shock. For one, the price has just jumped another $10,000 for EPA 2010-compliant engines


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