If the car is driven in flooded conditions, the water can then flow through the car’s intakes. This will prevent the pistons from being able to move properly, and will usually result in a problem called hydro-locking. This will seriously damage the engine, and more often than not, will mean that a new engine will have to be installed. Another potential problem with water damage is a cracked catalytic converter - Napier Parking Please Visit for More Details: http://www.napier.govt.nz/index.php?pid=259