Will a Car Get Damaged If Submerged in Water?

2 Answers
Foster
07/28/25 8:18pm
Submerging a car in water can cause significant damage to the vehicle. Here are the potential impacts of a water-submerged car: 1. Electrical Damage: Vulnerable components such as circuits, electrical systems, precision instruments, insulation materials, and oils are highly susceptible to damage. 2. Costly Repairs: High-value components like the engine, transmission, computer systems, audio equipment, wiring, airbags, and steering systems can incur expensive repair costs. 3. Malfunctions: Post-submersion issues often include electronic system failures. Modern vehicles are equipped with numerous electronic devices, and unless they are specialized off-road vehicles, most cars lack adequate waterproofing for these components. Even many well-known urban SUVs have electronic wiring similar to that of regular sedans, with no waterproofing measures in place.
Was this review help?
16
3
Share
SanDerek
08/12/25 1:06am
If a car is submerged in water, it can indeed suffer severe damage. When water rises above the wheel height, the engine may take in water, causing hydrolock—meaning water blocks piston movement, leading to bent connecting rods or even engine seizure. Electrical systems like the ECU and sensors can short-circuit, resulting in control failures and exorbitant repair costs. The interior, including seats and carpets, may mold and warp after soaking, smelling like a garbage dump. Corrosion of wiring and connectors can cause intermittent faults over time. When dealing with flood-damaged cars, I often see vehicles nearly totaled. If the water level exceeds the hood, the car is basically beyond saving. That’s why parking on higher ground and avoiding flooded underground garages during heavy rain is crucial. Moving your car promptly during floods is key to saving money. Don’t underestimate the consequences of water damage—it can turn your beloved car into scrap metal in no time.
Was this review help?
4
5
Share
Expand All
More Forum Discussions

What do MAX A/C and A/C mean in car air conditioning?

The MAX A/C button on a car's air conditioning system refers to the maximum cooling mode, which is the coldest setting; A/C stands for the air conditioning's cooling device. MAX A/C is a unique button found in some car models. Pressing this button maximizes the distribution of cooled air through the dashboard vents, making the air conditioning system more efficient at cooling. This function is particularly useful when you need to cool down the car quickly. While rapidly cooling the car's interior, be cautious not to place decorations in front of the air conditioning vents, as this can affect the cooling efficiency. The working principle of a car's A/C cooling system is as follows: When the A/C switch is turned on, the clutch inside the air conditioning compressor engages. The compressor, driven by the engine's crankshaft via a belt, compresses the refrigerant within the air conditioning system. This process transforms the low-temperature, low-pressure refrigerant into a high-temperature, high-pressure gas. The gas then passes through the condenser, where it liquefies and dissipates heat, converting back into a low-temperature, low-pressure refrigerant. Finally, the refrigerant flows to the evaporator. As hot air passes over the evaporator under the influence of the blower, the low-temperature, low-pressure refrigerant absorbs heat from the surrounding air, turning the hot air into cool air that is then blown into the car's interior.
13
1
Share

Which country's brand is BYD?

BYD is a Chinese car. The following is the relevant content introduction: 1. The logo of BYD is oval in shape and is accompanied by the letters "BYD". The design of the logo highlights BYD's innovation, technology, and the essence of corporate culture. 2. BYD is a Chinese automobile brand, founded in 1995, mainly producing commercial cars, household cars, and batteries. Starting with a scale of more than 20 people, it grew into the world's second-largest rechargeable battery manufacturer in 2003, and in the same year, BYD Auto was established. BYD Auto follows the development route of independent research and development, independent production, and independent brand.
15
2
Share

Why is there a scraping sound from the undercarriage when lightly pressing the brakes?

Here are the main reasons for the scraping sound from the undercarriage when lightly pressing the brakes: 1. Brake pad wear: The friction between the brake pads increases when braking, causing abnormal noises. 2. Loose undercarriage components: When the undercarriage is loose, it can cause friction between various parts, leading to abnormal noises. 3. Aging of undercarriage rubber, resulting in reduced performance. 4. Faulty lower control arm. Below is an analysis of the reasons for abnormal noises from the undercarriage: 1. When turning, abnormal noises from the undercarriage may indicate faults in the steering system or suspension system, as the vehicle's tilt during turning causes deformation in the suspension system. 2. When driving on good road conditions, abnormal noises from the undercarriage may be due to faults in the braking system components, such as loose or worn parts, out-of-round brake drums, or uneven brake discs. 3. Abnormal noises from the undercarriage may also indicate issues with the bearings connecting moving and stationary parts. If there is a problem with the bearings, the driver can identify it by lightly pressing the brakes. If the noise remains unchanged during uniform motion, it indicates a bearing issue. 4. When driving on poor road conditions, abnormal noises from the undercarriage are mostly due to suspension system abnormalities or loose braking system components, with the suspension system often producing friction sounds.
12
1
Share

What are the symptoms of a broken car control arm?

Control arms are connected to the vehicle body with rubber bushings, which serve to absorb vibrations and reduce noise. Over time, these rubber bushings are prone to aging and damage. When this happens, the front of the vehicle may produce a clunking noise when driving on bumpy roads or during braking, and the chassis may feel noticeably loose. In such cases, it is necessary to replace either the control arm bushings or the entire control arm. Below is an introduction to control arm usage:1. During normal driving, when passing over speed bumps, potholes, or encountering obstacles, the undercarriage may scrape or the vehicle may drop off the road edge, potentially damaging the control arm. If this occurs, ensure safety first and immediately move the vehicle to a secure location. If the vehicle cannot be driven out, call for roadside assistance to request a tow truck.2. Once the vehicle is in a safe location, park it on level ground and straighten the steering wheel. Visually inspect the four tires for any obvious abnormalities. If abnormalities are found, the control arm may be severely deformed, and it is not advisable to continue driving. The vehicle should be towed to a repair facility for inspection. If no abnormalities are visible, drive the vehicle for a short distance to check for any pulling to one side. If the vehicle pulls to one side, take it to a repair facility for a wheel alignment. If the alignment cannot be adjusted properly, it may be necessary to replace the control arm.
12
2
Share

What is the battery model specification for Hyundai ix35?

The original battery model for Hyundai ix35 is CMF60L-BCI. Here are some precautions to note when charging the battery: 1. If the battery discharges quickly in a short time (for example, turning on the headlights or interior lights when the vehicle is not in use), it should be charged slowly (low current) for 10 hours. 2. If the battery discharges slowly due to high electrical load, it should be charged at 20-30A for 2 hours. 3. When charging the battery, observe carefully. If violent gassing (boiling) occurs in the battery cells or the electrolyte temperature exceeds 49°C, stop charging or reduce the charging rate.
10
4
Share

How to Turn on the Heater in Trumpchi GS8?

Trumpchi GS8's heater usage method is as follows: 1. After starting the car, it is not advisable to turn on the heater immediately. Wait for about 3-5 minutes until the water temperature rises to the normal level, i.e., when the water temperature reaches the middle, then turn on the heater. 2. There is no need to turn on the air conditioning (i.e., the AC cooling switch) because the heater utilizes the car's own heat cycle, which saves fuel. 3. Set the air conditioning circulation mode to the internal circulation mode to help the car interior heat up quickly. Then, switch to external circulation as needed to facilitate air circulation inside the car. When the engine is running, incomplete fuel combustion will produce high concentrations of carbon monoxide.
15
2
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.