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Jeep Wrangler Leaking Water underneath: How To Fix It?

Jeep Wranglers can be extremely tough. However, that doesn’t mean that they are indestructible. The underside leaking is one such problem that is present in almost most Wrangler models. 

So is it possible to fix this? Yes, it is! Reinforcing the rubber seals and replacing old worn-out gaskets on time is a surefire way to prevent any potential leaks. 

Now that you have got a gist of things, it is time to move the information up by a notch. In this article, we will be discussing how you can fix the underside of your Wrangler to prevent water from leaking. 

What Causes Water Leaking Underneath The Jeep Wrangler?

Several points of interest can cause your Jeep Wrangler to leak water from underneath the base. We have compiled and listed some of these general reasons along with their brief details. 

1. The Exhaust 

Water leaking from the exhausts of your Jeep is a widespread issue. The water that comes out of the exhaust is the by-product of the combustion reaction of the fuel to produce energy. 

Do note that this is nothing worth panicking for. This is because the water that is expended from the exhaust is pure water only, which is not toxic. 

2. Air Condition

The A/C or air conditioner is another common source of water that you may find to leak from underneath your Jeep Wrangler. 

This water accumulates condensed water droplets or moisture after the A/C has been activated for some time. 

There is nothing toxic about this water. However, it does tend to drip continuously once enough droplets have accumulated which can even be quite annoying.  

3. Faulty Washer System

Did you know that the windowsill of your Jeep Wrangler comes with a washer system? This washer system has a water source to clean your windows when activated. 

However, if this washer system breaks, the water can trail below the car and leak from below. 

4. Physical Damage

Physical damage is the most problematic and annoying occurrence that can cause leaks underneath your Jeep. Usually, it is almost impossible to notice damages in the metal body of your car. 

However, if you notice a trail of dripping fluids on a rainy day, the most obvious point would be physical damage. Of course, water might not be the only thing that could leak, as gasoline could also drip. 

How To Fix Water Leaking Issue Underneath the Jeep Wrangler?

If you want to fix the leaking issue underneath the Jeep Wrangler caused by physical damages, it is advised that you to a professional mechanic. 

However, there are specific steps that you can take to ensure that no water leaks from underneath your Jeep after it has already leaked once. 

Of course, do note that these steps aren’t fail-safe. However, they can still turn out to be helpful if you do not have the time to visit the mechanic any time soon. 

Step 1: Ensure Closure

Look for patches and windows. Close all open ones. If you have an open roof, approach it. This is to provide the Jeep with a controlled environment. 

Step 2: Check the Dashboard

Use a clean cloth or towel to rub the hard surfaces like the dashboard clean. Try to look for leaks in places where the moisture accumulates. Tape them if found. 

Step 3: Check the Rubber Seals

Do the same thing for the rubber seals and clean them properly. Then locate any gaps or scratches in the crevices. Tape these places as well once found. 

Step 5: Check the Floor

If your floor is flooded, you can remove the carpet and check on the floor for any cracks, blemishes, or any other issues. If not found, vacuum thoroughly before putting a dry carpet back there. 

Step 6: Clogged Pipes

Check the pipes where the combustion processes are carried out. If they are clogged, make sure to clean them up. Oil them using your preferred lubricant afterward. 

Step 7: Check the Exhaust System and Coolant

Check for potential bents or smokes coming out of your A/C, coolant, or exhaust system. If found, replace the affected component since it is not salvageable anymore. 

Step 8: Check the bolts, hinges, and screws

Check the hinges of your doors along with all the accompanying bolts and screws. If they have come loose, make sure to tighten them. Often the reason why water could leak or drip can be due to loose bolts or hinges. 

Is It Worth Fixing Water Leaking Underneath the Jeep Wrangler? 

Yes, it is definitely worth fixing the leaking point underneath the Jeep Wrangler.  Leaking water proves to be very annoying. It can also become a menace to the environment. Besides, it also often leaves a water trail behind.

If you are worried about the amount of time or money it would take to fix the problem, don’t be. Usually, this leakage isn’t even a permanent plague. It simply goes away once you have straightened some things out.

However, in the case that you must spend money and time on the fix, we definitely advise you to do it yourself. While the processes might be long, they aren’t anything too complicated to follow. 

You won’t have to pay a professional to fix the leaks if you do it yourself. If you know what you’re doing, you can even elect to save money on the components that need to be replaced by employing DIY alternatives.

How Much Does It Cost To Fix Jeep Wrangler Leaking Water Underneath? 

Money isn’t really a big issue when fixing the underside of the Jeep Wrangler to prevent water leaks. If there aren’t any extra parts to be replaced, you might not need to spend anything at all. 

Even if you need to spend for the parts, the highest you will be required to pay is around 10-50 USD. Aside from the money, you will be paying for the parts. There is also an additional labor cost. 

This labor cost is only applicable in the case that you seek the inspection of a professional. You will not need to pay a single penny. In general, the average labor cost is 50-95 USD. 

While we have stated the average figures in the above breakdown, the values can vary depending on various other factors, including how well-experienced the mechanic fixing your Jeep is. 


To conclude, fixing the underneath water leak in your Jeep Wrangler can be a lengthy process. However, it is completely worth it. 

While there are no immediate effects of driving a leaky car, it can still damage your vehicle’s surroundings or make your ride uncomfortable in the long run. 

That’s why no matter how long it will take you, do not delay fixing the leak. Even if you can’t find the time to do it yourself, the mechanics out there can definitely help you out. It won’t even cost you very much!  

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