Updated at: 14-03-2022 - By: micdot

Coolant has been observed escaping from the exhaust systems of many automobiles, according to their owners. A lot of drivers would be concerned about this. We can assume that the vehicle’s engine needs a coolant. Is there anything you can do if you notice coolant leaking from your exhaust system? As a first step, make sure your compression is up to snuff. You’ll have a good idea of what to do next and what the likely problems are if you test your compression.

The engine will only be somewhat damaged if the car does not have enough coolant or not enough coolant. This is why it’s important to keep enough coolant in your car at all times. Your engine will be at risk if your coolant level is too low. We’ve written this guide for drivers whose cars are emitting coolant through their tailpipes. Seeing coolant leaking from your exhaust is a bad sign. Your engine’s coolant should be present and functioning properly; it should be circulating throughout the engine. Here, we’ll explain why coolant is leaking from the exhaust and what you can do about it. As a result, let’s get started.

Can Coolant Come Out Of Your Exhaust?

Coolant can enter the combustion chambers through the tailpipe if you detect water dripping or steam coming from it. Through the engine’s block, the antifreeze or coolant will travel. There’s a purpose for this. Yes, the coolant can be emitted via the exhaust. There may be a leak or a break in your exhaust if your coolant is dripping out of it. These could be the reasons. The easiest way to figure out why your car is dripping coolant is to go through the process of elimination.

What Does It Mean If Coolant Is Coming Out Of The Exhaust?

Coolant leaks are the most prevalent source of coolant leaking from your exhaust. Fortunately, this is the easiest and least expensive issue to resolve. A head gasket replacement has remedied the problem if you’ve done so and the issue is no longer present afterward. Your head gasket is a low-cost part of your vehicle.. It serves as a seal between the head and engine of the blocks. Your car’s head gasket is an essential part. You’ll have a lot of issues if your head gasket is leaking. Mechanics can tell you if you have a coolant leak if you visit them. For this, they’ll conduct a coolant pressure test. If the pressure in your cooling system cannot be maintained, you have an internal leak.

An evil piston ring can also be caused by this. This can result in a bluish-white exhaust smoke, but the expense of an oil or coolant is negligible. If you look closely, you’ll see that these rings have been placed in each of the pistons so that it may work its way into each cylinder. All of these rings are prone to deterioration over time. The rings can be worn severely, allowing the motor oil to flow into the combustion, causing the engine to overheat. These rings must be replaced if you have determined that they are the source of the problem.

How Do You Know If Your Exhaust Is Leaking Coolant?

You can start your car and then leave it running for a short period of time. Keep a close eye on the water and white smoke coming from your exhaust pipe. Once white smoke is visible, water will start to drip and the automobile will begin to heat up. The smell of antifreeze in your exhaust will indicate that your engine has a coolant leak. There are two last checks you can run. In order to do this, simply open the radiator. Check for any oil slicks on the surface of the water once you’ve made sure it’s perfect. The creamy emulsion can be found by pulling the dipstick. Also, keep an eye out for oil-based coolants. A coolant leak is clearly indicated by these symptoms. The steam coming out of your tailpipe will appear grayer than white if you take the time to inspect it. As a result of a buildup of the same steam, water can be found in exhaust pipes. It will then condense back into a liquid from its gaseous state.

What To Do When Coolant Is Coming Out Of Your Exhaust?

You need to check the compression of your engine. To get to the bottom of the issue, this is the next logical step. One or more issues may arise if your compression is too low. For example, the head or the block could have a crack. Repairs for each of these issues can add up quickly. Your engine will be put through a series of evaluations by your mechanic. It will then be possible to remove each of the possible causes and arrive at the lone cause. After that, have your mechanic check the engine block for cracks and perform further testing. In some cases, you may need to replace the entire engine if the head or block is cracked. Metals can be damaged by a flaw. In other words, this is how the block and the head are put together. You may not be able to tell if your metal is in need of repair until a crack appears.

Coolant In Exhaust But Not In Oil: What To Do?

Exhaust pipes must be checked to see whether coolant is being emitted. You may have a leak in one or more of the combustion chambers. It can potentially be destroyed by a fire.. As a result, coolant is leaking from the exhaust. A blown head gasket or a leaking intake manifold gasket may be to blame. An issue with the gasket can be attributed to this.

Damage can occur anywhere between the coolant channel and the combustion chambers, however this is not always the case. As a result, only the engine coolant is leaking into the oil. Consequently, a pressure test is required. You should eventually flush the mixture of conventional and extended-life coolant from the system.

Coolant Coming Out Of Exhaust Manifold: What To Do?

Temporarily fixing the leak and adding sealer to the cooling system will work if the problem is due to a bad head gasket. If the leak isn’t too substantial, this will do the trick. Head gasket replacements may still be necessary, however. Your fractured block or head can be repaired by a qualified professional.

Coolant Coming Out Of Exhaust Manifold Bolt: What To Do?

In some cases, there may not be any coolant. Above the exhaust manifold, you can inspect the block for moisture and perform the necessary repairs. If you’re dealing with a repaired bolt hole, you’ll need a high-quality sealant.


A quick recap of the importance of coolant: As a result, any leaks must be addressed immediately. If your exhaust is leaking coolant, you need to get it fixed immediately away. You need to know why you’re experiencing this issue. Get help from a mechanic if necessary to repair the problem.