Why Do I Have Water Pooling In My Car? [Facts!]

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If you’re reading this, I assume you’re either a car enthusiast or a mechanic. Maybe even both! If not, then maybe it’s time to become more involved in the world of cars. They can be a lot of fun to work on and own, and the satisfaction that comes with knowing you can fix them is unparalleled. But sometimes, simple things can go wrong which bring you to the question, ‘why do I have water pooling in my car?’. Let’s take a look…

Blocked Drain

A blocked drain is simply one that becomes plugged up during a storm or heavy downpour. This prevents water from being drained away, resulting in it building up behind the vehicle. It’s often a tedious job to locate the cause of the blockage, so if you find yourself in this situation, it’s best to simply wait it out. Once the water settles down, you can try and clear the drain (if not too serious) or call a professional drain cleaning company. Sometimes, there’s just no fixing these things yourself.

Leaking Seals

Another thing that can cause water to pool in your car is excessively worn out water-proofing or sealing around the windows, doors, and more importantly, the engine and transmission areas. This is because water can become trapped behind these areas during heavy rain or if the wipers are on for long periods of time which results in them becoming wet. These areas of your car are more likely to need replacing or fixing in the first place, so it makes sense to start there. Another thing that can cause this is an area of your car that is not properly designed to deal with the water that collects there during a downpour. For instance, if the roof is more convex than concave, this could cause some serious pooling issues. If this is the case, then you could opt to fix it yourself with a couple of patches or even buy a premium car cover to prevent any wetness from occurring behind your car’s hood. The key to avoiding all of this is by choosing your vehicle’s design wisely and ensuring that its windows, doors, and hood are all water-resistant or waterproof.

The Roof

You might also ask, ‘why does the roof leak?’ It’s not uncommon for the roof of your vehicle to become damaged during a serious accident, or due to heavy downpours. This causes it to either peel away or become loose which, in turn, allows water to pool in your car. If this happens during a heavy rainstorm, there’s a good chance you’ll have to deal with the water on your own without anyone’s help. If the damage is extensive, you may have to buy a new roof. However, if the damage is relatively minor, you can always try and fix it yourself with a couple of roofing strips or even a tarp. Just make sure that the area behind your vehicle is not exposed to the elements so it doesn’t cause further damage (especially if it’s a wooden roof).

Dirty Filter

Believe it or not, but your engine’s performance can depend on how clean its filter is. Yes, it really is that simple! While it’s easy enough to wash the filter every few weeks with some soap and water, it can get pretty nasty if you don’t clean it properly. Before you go too far, simply remove the engine’s radiator cap and swirl the water inside to help flush out any debris. Make sure to clean the entire engine, including the head and block areas, before you start it up again. Otherwise, you may find that it loses performance and even damage the engine in some cases. It’s also crucial that you change your engine’s oil and oil filter regularly so it stays clean and shiny. If you’re in need of a liquid fuel engine, then it’s best to go with a diesel rather than a gasoline engine because they produce less pollution. This is one area of your car that you definitely don’t want to neglect. Changing the oil and filter can be a tricky process, and if you’re not careful, you can break a couple of nails in the process. Make sure you wear gloves and protect your knuckles from getting chapped by the oil as you remove the oil filters. These little things can help ensure a longer life for your engine and an uncluttered conscience.

Water Pump

It’s a known fact that your car’s water pump needs to be changed every few years. The reason for this is that the impeller inside it wears out after a while and needs to be replaced. This is considered an easy and straightforward job for most mechanics, so they don’t need to charge you any extra for this service. Make sure you have the correct parts for this job so you can avoid any issues. It’s also advisable to buy a replacement pump if the one you have now is more than a couple of years old.

Exhaust System

Your car’s exhaust system is another critical area that can cause serious damage or malfunction if not maintained properly. If you leave it out in the rain or get it wet from anywhere else for that matter, it can clog up quickly and become unusable. This is why it’s important to always keep your car’s exhaust system clean. You can use a wire brush or even a toothbrush to help clean it every few months. It also needs to be flushed at least once a month, or as needed, to prevent any damage to its delicate parts. Make sure to do this even if you don’t have any symptoms of engine trouble because clogged up exhaust systems can lead to serious issues down the road.


Finally, let’s not forget about your car’s wheels! Even if you drive on smooth roads, heavy rains can still make your tires rotate quickly which puts a lot of stress on them. This can lead to serious damage and shorten their lifespan. It’s always better to choose less powerful cars with low-profile tires that can handle heavy rains effectively. Sometimes, this can mean the difference between a happy and troubled driver. It’s also worth noting that older models typically have thicker tires which can lead to further damage if they wear out quickly.

At the end of the day, it’s all about knowing your car and being smart about it. When it comes to water pooling in your car, it’s often the easiest thing to simply let it run its course. However, if you’d like to keep your car clean, then make sure you change its oil, filter, and water pump often. Keeping these items clean and free from debris and grime will help keep your engine in good shape which, in turn, will make it purr like a kitten all the time! Good luck out there.

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