Diesel engines are typically considered to require less maintenance compared to petrol engines. However, that doesn't mean that you don't have to take care of them. If you want to enjoy the reliable service offered by your diesel engine, you should carry out periodic maintenance. Below is a guide to 3 things you need to do to keep your diesel engine in good condition.

Change the oil filter

Diesel fuel contains sulphur. The oil filter in your diesel vehicle traps any sulphur residue which is created when the fuel in the engine does not combust fully. Over time, the filter can become clogged, which will reduce its effectiveness and may result in particles of sulphur and other debris mixing with the engine oil. Oil which contains impurities may cause the fuel injection system on your vehicle to fail, leading to costly repairs. To avoid this, you should regularly inspect the oil filter to make sure it isn't dirty. If it is dirty, you should replace it with a clean one. At your next diesel service, you should ask the mechanic to perform an oil change.

Change the glow plugs

In order to ignite the fuel in the combustion chamber, a diesel engine needs to generate enough compressed heat. However, during colder weather, this may be difficult. Glow plugs are used to warm the combustion chamber to a temperature at which ignition of the diesel fuel can occur. Over time, glow plugs can become worn and may not function as they should do. You should keep your eyes open for signs that the glow plugs in your engine are failing. Classic signs of glow plug failure include:

• White smoke emitted from the engine
• Piston misfiring
• Illuminated engine warning light

If you notice any of these signs, you should inspect and replace the existing glow plugs with a new set.

Inspect the radiator

Diesel engines produce much more heat when compared to petrol vehicles. For this reason, the radiator and cooling system on a diesel car can be placed under much more strain. This increased level of wear and tear means you need to carry out regular inspections of the radiator and cooling system to make sure it is working as it should be. You should make sure that there are no signs of leaks or corrosion on the radiator and that the water and antifreeze mix in the radiator is at the correct level.

If you would like further advice about caring for your diesel car, you should contact a diesel service centre today.