How to Deal with a Flooded Diesel Engine?
2 Answers
If water enters the cylinder of a diesel engine, do not attempt to start it. Air can be compressed, but water cannot. Starting the engine under such conditions may cause cylinder head deformation, connecting rod or crankshaft breakage, leading to engine failure. Below is an introduction to diesel engines: 1. Characteristics: The main advantages are high torque and good fuel economy. The working process of a diesel engine shares many similarities with a gasoline engine, with each cycle also undergoing four strokes: intake, compression, power, and exhaust. 2. Inventor: The term 'Diesel' in English is derived from the name of the diesel engine's inventor, Rudolf Diesel. 3. Development Prospects: Diesel engines are widely used and hold a relatively central position in their industrial chain. Over the past decade, the diesel engine manufacturing industry has developed a series of supporting enterprises.
I also encountered a diesel vehicle being flooded a few days ago. The first thing to do is to immediately turn off the engine and never attempt to start it, as starting it with water in the cylinders can cause hydro-lock and total engine failure. I called a tow truck to take it to a repair shop, disconnected the battery to prevent short circuits, and then removed all the fuel injectors and spark plugs to let the water drain out. After that, I used compressed air to dry the internal components, especially the crankcase and intake passages. Next, I checked the engine oil—if it was milky like a milkshake, I replaced it entirely, along with the oil filter. Delaying such repairs can lead to rust and corrosion, significantly reducing the engine's lifespan. It's best to have a professional mechanic scan the electronic systems with a diagnostic tool, as high water levels can fry the control modules, leading to even costlier repairs. Driving cautiously to avoid flooded areas can save a lot of hassle. When driving through water, go slow and maintain steady throttle. If the engine gets flooded, prompt action is crucial to restoring it to its original condition.
