John Baxter

Crunching numbers

Oil analysis can measure the level of various metals and qualities such as acidity and viscocity - which may increase or decrease, depen...

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Highway blues

A Cummins QuickServe technician works at roadside. A front tire with a nail in it, multiple lights out because of a ...

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Premium savings

Most of the latest premium oils meet the CJ-4 standard for 2007 engines, which requires reduced consumption - one quality of a superior ...

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Spec’tator sport

Freightliner Coronado Ask eight truck makers to offer their strategies on suiting out their best owner-operator truck...

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Play it cool

The more careful you are with coolants, the more life - and profit - you get out of your engine. The top concerns for...

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The ultra-lowdown

New ultra-low sulfur diesel is coming to a pump near you. It'll cost slightly more, with slightly lower fuel economy, but it'll run cl...

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Squeaky Clean

The good news for 2007 engines is that maintenance and fuel costs will be affected only minimally, according to engi...

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Easy Rider

Fluid changes are just as important to automated transmissions as to manuals. Automated transmissions are increasingl...

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Buying Time

Checking the transmission fluid requires getting underneath and pulling a plug. But, unless seals are defective, leakage is negligible, ...

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One Piece At a Time

Tool by tool, building a home repair shop enables do-it-yourself maintenance and saves money. Doing your own repair w...

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