It is important that diesel engines be regularly maintained in order to maximize the potential of the engine. It not only makes the engine more efficient, but it also helps the environment by minimizing the noxious fumes that come out of the usually stigmatized dirty vehicles that roam around the metro.
The most crucial component of the diesel engine that needs to be maintained and checked are the fuel pump, fuel nozzles and the compression of the cylinder.
Below is a simplified diagram of what a typical fuel pump of a diesel engine looks like:
Key components to watch out for are the timing of the fuel pump.
The injector nozzles should also be checked (please refer to your car's manual for the interval of the check up) The procedure is pretty and straight forward.
A simple device called compression tester is an important tool in tuning up a diesel engine. Depending on the recommend pressure on the cylinder (this varies according to vehicle make and model) The end of the device is placed at the nozzle of the cylinders, one at a time, and check whether or not the cylinder maintains the recommended pressure for the engine to combust properly and efficiently. Things to replace in order to address this issue: Piston Ring, Cylinder Gasket, or maybe even cylinder head. The parts to be replaced will vary depending on the results of both the wet and dry compression testing.
The condition of these three parts of the diesel engine will have an enormous effect on the performance of the engine.
In a nutshell, if your car emits a dirty black smoke, most probably, the cylinder compression is below the recommended pressure.
However, if the emission is whitish smoke, most probably, the timing of the fuel pump is off. A simple tuning of the fuel pump will do. While you're at it, it would be a good decision to also check the compression of the injector nozzles. A simple compression testing will make a lot of difference. Believe me, after we have adjusted the timing of the fuel pump and carefully calibrating the fuel nozzles, the engine assigned to us was emitting a much better and more environment friendly smoke.
Here's a photo of my classmates cleaning the fuel pump and calibrating it afterwards.
The most crucial component of the diesel engine that needs to be maintained and checked are the fuel pump, fuel nozzles and the compression of the cylinder.
Below is a simplified diagram of what a typical fuel pump of a diesel engine looks like:
Key components to watch out for are the timing of the fuel pump.
The injector nozzles should also be checked (please refer to your car's manual for the interval of the check up) The procedure is pretty and straight forward.
A simple device called compression tester is an important tool in tuning up a diesel engine. Depending on the recommend pressure on the cylinder (this varies according to vehicle make and model) The end of the device is placed at the nozzle of the cylinders, one at a time, and check whether or not the cylinder maintains the recommended pressure for the engine to combust properly and efficiently. Things to replace in order to address this issue: Piston Ring, Cylinder Gasket, or maybe even cylinder head. The parts to be replaced will vary depending on the results of both the wet and dry compression testing.
The condition of these three parts of the diesel engine will have an enormous effect on the performance of the engine.
In a nutshell, if your car emits a dirty black smoke, most probably, the cylinder compression is below the recommended pressure.
However, if the emission is whitish smoke, most probably, the timing of the fuel pump is off. A simple tuning of the fuel pump will do. While you're at it, it would be a good decision to also check the compression of the injector nozzles. A simple compression testing will make a lot of difference. Believe me, after we have adjusted the timing of the fuel pump and carefully calibrating the fuel nozzles, the engine assigned to us was emitting a much better and more environment friendly smoke.
Here's a photo of my classmates cleaning the fuel pump and calibrating it afterwards.
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