Can You Wash the Engine with Water?

[MacIker]

You can wash the engine with water. However, before doing so, make sure the engine block has cooled down to normal temperature. Here are some relevant details: 1. If the engine block temperature is too high, contact with cold water may cause deformation or even cracking of the block. In severe cases, the resulting steam can increase humidity inside the engine, shortening the lifespan of other engine components. 2. Avoid washing with water when the engine is hot: Using high-pressure cold water on a hot engine may cause a rapid temperature drop, potentially leading to oil seal leakage or even engine block cracking. 3. It's best not to wash older cars with water: While you can use a high-pressure washer to clean the engine compartment of new cars, older vehicles, despite having insulated engine compartments, may experience short circuits.