Coolant Hose Replacement Tips

Thanks to compact engine compartments, air conditioning, turbocharging, and computer-controlled cooling fans, under-hood operating temperatures have risen dramatically. To withstand these extreme temperatures, most modern coolant hoses are now made from ethylene propylene EPDM rubber, which can endure operating temperatures ranging from -40 to +275 degrees F. Thanks to extremely crowded engine compartments, about 90 […]

Alternator and Starter Diagnosis

Rotating electrical parts such as starters and alternators often have to be replaced on older, high-mileage vehicles. Fuel injection has helped prolong the service life of starters by allowing engines to start more quickly when they are cranked. Such is not the case with alternators. Higher electrical demands on charging systems have increased alternator failures. […]

Diesel Particulate Filter Breakdown and Operational Theory

The Diesel Particulate Filter (DPF) is a ceramic filter that has thousands of tiny channels or honeycomb-shaped openings that trap the soot onto the channel walls and prevent the particulate matter (down to 1 micron) from exiting out the tail pipe. The honeycombed inner structure is covered with a layer of a chemical catalyst that […]

Marine Diesel Engine Overhauls – What’s the Real Cost?

A diesel engine is a very complex machine comprised of many different systems working in tandem to combust fuel and get you where you need to go. As with any system, it is only as strong as its weakest link and one malfunctioning component could spell disaster for your entire engine. Even with with proper maintenance, sometimes […]