Hyundai doesn’t currently offer a diesel engine for sale in the United States, so it may surprise you to hear that the brand recently patented some interesting diesel engine technology. According to a ...

Put simply, the crankcase breather is a system designed to vent gases out of an engine's crankcase safely. The crankcase is a sealed, lower half of an engine that houses the crankshaft, which is what ...

Fuel dilution of the engine oil is a problem that faces many modern combustion engines. Also known as “crankcase dilution” it is a process where fuel is leaked into engine oil when it travels towards ...

Every engine has a means to ventilate the crankcase. If the oil pan wasn’t ventilated properly, then the engine life would be dramatically reduced. Ray Bohacz is a technical writer in both the ...

Navistar’s new 12.4-L International A26 engine is built from Volkswagen's proven MAN D26 engine crankcase, and produces up to 475 hp and 1,750 lb.-ft. of torque. Navistar says the design is 600 to 700 ...

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 ...

Venting a typical V-8 engine isn't a complex affair. A breather atop each valve cover is usually all that's needed. Of course, replacing one with a PCV valve to introduce a bit of vacuum into the ...

Ray Bohacz is a technical writer in both the automotive and agricultural industries and has been featured in more than 44 different magazine titles with over 3,000 published technical articles.