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Why Shouldn't You Attempt to Restart an Engine After Water Intrusion?

1 Answers

JuliannaFitz

07/30/25 1:09am

Because restarting an engine after water intrusion can cause bending of the piston connecting rods, severely damage the cylinder block, and result in irreparable harm. Additionally, insurance companies will not provide any compensation for engine damage caused by attempting to restart after water intrusion. Here is supplementary information: 1. Reasons why an engine shouldn't be started after water intrusion: Attempting to restart allows water to enter the combustion chamber, which can bend the engine connecting rods. When a vehicle's engine is running, if road water levels exceed the engine's air intake system, backflow occurs - water travels from the air filter through the intake pipe into the combustion chamber. The severity of water intrusion depends on the water depth and impact force at the time. 2. Solution for a water-submerged engine: If the engine stalls, never attempt to restart it. Immediately contact your insurance provider and a repair service to await professional assistance.

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