A Guide to Diesel Engine Maintenance For Highway Trucks

Diesel engines are designed to work in harsh conditions and give you high performance on the road.

But driving a semi-truck cross-country for several days in a row can take a toll on the vehicle’s engine. Regular engine maintenance is crucial if you want to meet delivery deadlines and prevent breakdowns in the middle of nowhere.

To avoid running into unexpected trouble on the road, follow these expert tips on keeping your engine in top shape.

1. Clean your truck and engine regularly

Driving long distances results in dust, grime, grease, and soot infiltrating your truck’s parts. That’s why it isn’t enough to hose down the exterior—you need to clean all the internal components regularly.

Not only does this keep your truck uncontaminated, but it also helps you detect problems before they become major issues. For example, if you come across any broken pipes or oil leaks while cleaning the engine, you can get them repaired before getting on the road.

2. Monitor your fluids

Engine oil is necessary to keep all the moving parts lubricated and for preventing internal wear due to friction. Over time, engine oil can become acidic or contaminated, which is another reason why you should get it changed frequently.

The engine coolant is another fluid that shouldn’t be overlooked. Adding fresh coolant will prevent issues such as engine overheating, coolant freezing, and destructive electrolysis in your cylinder liners.

3. Change filters frequently

Replacing filters is a fundamental part of preventative maintenance. Clean filters allow fuel to pass through easily without requiring additional power. Clogged fuel filters lower engine performance and decrease the effectiveness of the filters themselves.

Apart from this, oil filters, air filters, and diesel particulate filters (DPF) should also be changed from time to time to prevent engine wear and tear.

A Guide to Diesel Engine Maintenance For Highway Trucks

4. Monitor your radiator

The truck radiator prevents your engine from overheating by transferring heat to the surrounding environment. Diesel engines produce significant amounts of heat during operation, and a broken radiator can cause serious problems. For the best results, keep your radiator clean, add coolant, and replace when recommended.

5. Check your Engine Control Module (ECM)

The Engine Control Module (ECM) is a computer that regulates engine functions to improve fuel efficiency and boost performance. It may be difficult to uncover issues caused by a faulty ECM, but common symptoms include:

  • An illuminated ‘Check Engine’ light
  • A misfiring engine
  • Low fuel economy
  • Truck failing to start

If you’re experiencing issues with the ECM, it’s best to get ECM repairs and replacements from a reliable source.

CATECM is a one-stop solution provider for all Caterpillar truck ECM needs. The company provides Caterpillar ECMs for sale as well as reliable ECM repair and reprogramming services.

To find out more, call at 817-382-8227 or visit their website.

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