New diesel engines cost up to $20,000 each, so it only makes sense to take care of yours. Oil analysis can identify insidious problems that, if left too long, could drastically shorten your engine's life.

If we had to pick the most frequent cause of diesel engine failure, we would choose antifreeze, the killer extraordinaire. There are several ways coolant can get into the oil — head seals, pin holes in wet liners, injector cups on some types of engines, and the oil cooler. By the time you see discolored oil, the problem has very likely progressed beyond a point of economical repair.

Fuel dilution problems run a close second. Bad injectors and fuel pumps can dump serious levels of fuel into the oil sump, affecting the oil's ability to function properly. Left undetected, a fuel system problem can cause catastrophic engine failure.

These are just a few of the problems faced by diesel engine owners. Preventive maintenance can help you avoid costly repairs. Send us a sample of your used oil for an in-depth look at your diesel engine.

About TBNs

    Are you changing your oil often enough? Too often? Is synthetic oil really worth it?
Years ago, the commercial multi-weight oils on the market were ...
    New diesel engines cost up to $20,000 each, so it only makes sense to take care of yours.
Oil analysis can identify insidious problems that ...
    You want to keep your motorcycle running as long as possible, and oil analysis is a
terrific tool for doing so. We've seen samples from most of the motorcycles ...
    Industrial groups have traditionally changed oil on an elapsed time basis.
This can result in dumping millions of gallons of good oil annually ...
    Air-cooled aircraft engines are twitchy, heat-sensitive machines that vary widely in wear
depending on the aircraft, the cylinders, and how they’re operated. ...
    Sea-going engines require special attention in oil analysis. They tend to pull heavy and constant
power for long periods of time, in holds with little air ...
    Transmission and gear oils can be contaminated with metals and moisture,
and those contaminants should be removed before they can damage the system ...
    We will email your results to you, though they are also available online.
You'll need your client ID to sign in or register ...
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