Engines hum with stories, suspensions whisper secrets from every pothole, and dashboards quietly keep score of the miles ...

If you own a Cummins-powered vehicle, there's only one name you'll consistently hear when it comes to engine oil: Valvoline Premium Blue. The product is the only engine oil exclusively endorsed and co ...

Positive Crankcase Ventilation—three dirty words, but do they really need to be perceived that way? In general, the PCV system has two main functions: vapor relief and liquid separation. PCV systems ...

The pressurized wetsump oiling system on most production vehicles will look like this. Oil is stored in the oil pan and sucked into the oil pump (which is also located in the oil pan) to be pumped ...

We may receive a commission on purchases made from links. Knowing the ins and outs of your vehicle is essential for any DIY fix, and that goes tenfold for the engine and all its parts. When it comes ...

This paper explains the mechanisms that affect lubricating oil consumption in stationary gas engines. It explains the positive and negative consequences of oil consumption. It discusses the importance ...

Car maintenance can be as difficult as it is messy. This is primarily because there are just so many fluids involved. Fluids of the darkest, stickiest, most potentially dangerous sort, in many cases.

Diesel engines have been around for more than half a century. Chances are that if you are around fleets or equipment, you have encountered a diesel engine. They have been described as the workhorses ...

There are simple truths that have withstood the test of time: airlines will always look at ways to increase efficiencies, both in terms of cost as well as the required level of aircraft maintenance.