What Are the Levels of Water-Damaged Vehicles?
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Vehicles affected by water damage can be classified into six levels based on the severity of the situation. Below is a detailed introduction to these six levels: Level 1: Water has just reached the vehicle's chassis. The exhaust pipe, fuel tank, and carbon canister may be submerged, and the vehicle floor may become damp. However, the amount of water ingress is relatively low, and the impact on the vehicle's electrical equipment is minimal. Level 2: Water reaches halfway up the wheels. Due to the vehicle's incomplete sealing, water will begin to enter the interior. For sedans with lower body height, the water level inside may affect the seat adjustment motors, heating, ventilation, and other electrical components. Level 3: Water almost completely submerges the tires. At this point, the water level inside the vehicle will fully immerse the seat cushions and the central armrest area, while also affecting a large number of electrical components. Level 4: Water reaches the engine hood. The water level inside the vehicle rises to the dashboard, and the headlights and the engine's intake pipe in the engine compartment begin to take in water. Level 5: Water completely submerges the engine hood. At this stage, nearly all electrical equipment inside the vehicle will be affected by the water. Level 6: Water submerges the roof. The vehicle's ceiling and sunroof module will be impacted, and no interior component will be spared.
I've been driving for decades. The flood-damaged car classification refers to the height of water submersion, generally divided into four levels. Level 1: water below the chassis, minor impact, possible chassis rust but repairable, still drivable. Level 2: water up to the seat bottoms, carpets and wiring soaked, prone to mold and short circuits, expensive to repair with potential hidden dangers. Level 3: water reaches the dashboard, electronic systems destroyed, frequent malfunctions after repair, extremely dangerous to drive. Level 4: roof-level submersion is the worst, the car is essentially totaled and only fit for scrap. When buying used cars, always check history records, smell for musty odors, inspect undercarriage rust, don't chase small savings - avoid high-level flood cars at all costs, safety comes first.