Which Parts of a Car Should Avoid Water Exposure?

[StHenry]

There are three main areas in a car that should avoid water exposure: the engine compartment, the exhaust pipe, and electrical circuit interfaces. Below is a detailed explanation: 1. Engine compartment: If water enters this area, it can dilute the gasoline in the engine, leading to insufficient lubrication upon startup, which causes wear and tear. In severe cases, it can seize the cylinders, similar to a syringe becoming stuck—unable to compress or release water. Attempting to start the car in this condition can deform the cylinders, necessitating replacement at a repair shop. 2. Exhaust pipe: Water accumulation in the exhaust pipe can corrode delicate components such as the catalytic converter and oxygen sensor. Car exhaust contains chemicals that, when mixed with water, form a highly corrosive liquid. If this liquid damages these sensitive parts, the car may no longer function properly. 3. Electrical circuit interfaces: Modern cars have many exposed interfaces like USB ports and cigarette lighters. If water enters these during washing, it can cause short circuits and potentially damage the car's electrical system.