Does driving in deep water cause damage to the car?

[LeMarcus]

Driving in deep water can cause certain damage to the car, potentially leading to short circuits in the wiring, poor contact, water ingress into the engine, and reduced lifespan. Below are the impacts of water exposure on a car: 1. Chassis corrosion: If the water is not too deep, just above the chassis and entering the cabin, it can cause corrosive damage to the bolts used to secure external attachments at the bottom of the vehicle, weakening their tensile strength and potentially causing detachment in severe cases. 2. Reduced body tightness: Sealing strips and mud-resistant rubber rings can be affected by sand and mud, leading to oxidation, hardening, and accelerated wear. While this may not be noticeable when stationary, it can result in unusual noises or wind noise when driving.

[VonWilliam]

Driving through deep water can indeed cause significant damage to vehicles, and I've personally witnessed many such cases. The main issues are that water depth affects braking performance, wheels are prone to skidding and losing control, especially in flowing water where the car may drift and collide with objects. Water entering the engine can lead to severe consequences, as compressed water may damage internal components like piston rods, requiring major repairs or replacement. Electronic systems such as control modules are susceptible to short circuits and burning out, making repairs extremely costly. Prolonged immersion can also cause rust and corrosion on the chassis and door seals, shortening the vehicle's lifespan. It's advisable to detour around deep water whenever possible, and if necessary, pass through slowly without stopping. Regular anti-rust maintenance can help mitigate some of the damage.

[VanMackenzie]

From my years of experience with cars, driving through deep water poses significant hazards. Hydrolock is a common issue when water enters the engine, causing cylinder compression failure and bent connecting rods, leading to costly repairs. Water entering the transmission can emulsify the oil, reducing lubrication and accelerating gear wear and failure. Rust on the chassis can corrode metal suspension components, affecting driving stability. If water enters the differential or drive shaft due to poor seals, oil changes and inspections are necessary. I once helped a friend deal with a water-damaged car and found that oxidized electrical wiring caused persistent short circuits. The key is to have the car towed and inspected immediately after water exposure, clearing out mud and preventing water accumulation to avoid rust.

[StSawyer]

Driving in deep water can damage your car, especially posing significant risks to electronic systems. Modern vehicles rely on computer-controlled modules for the engine, brakes, air conditioning, etc. Water infiltration can easily cause short circuits, burning out the ECU or sensors, leading to system failures. Malfunctions in ABS or airbags increase the likelihood of accidents. Rust and corrosion at wire harness connectors can cause intermittent faults, making repairs troublesome. It's common for the air conditioning compressor to fail after being submerged, resulting in loss of cooling. My old car's headlight control board was damaged after flooding, costing over a thousand to fix. It's best to keep the wading depth below half of the tire height to avoid deep water submersion.

[DeHarmony]

Having learned from the experience of driving through deep water, I understand the long-term damage is significant. Water retention inside leads to rust spreading, corroding body structure seams and chassis components, with potential corrosion spots weakening strength months later. Recurring electronic system failures, such as issues with wipers or window controls, affect daily use. Maintenance costs rise due to frequent checks for fluid contamination and anti-corrosion treatments. The resale value of the vehicle drops noticeably. Immediate professional cleaning and rust prevention after water exposure can mitigate but not eliminate the damage. It's advisable to drive slowly in low-lying areas, ensure proper drainage, and conduct regular inspections.