Kohler Engine Blowing Oil Out Breather? Here’s How to Fix it Like a Pro!


Hey there lawn care enthusiasts! Have you ever encountered the frustrating situation where your trusty Kohler engine starts blowing oil out the breather? It’s like the engine is staging its own little oil spill right in your backyard! Not cool, right? But fret not, because in this article, we’re going to dive deep into this issue and equip you with all the knowledge and tools you need to fix this greasy predicament.

Unraveling the Mystery

Now, before we jump straight into the solutions, let’s take a moment to understand what exactly a Kohler engine is and why it plays a crucial role in the performance of your beloved mower. Think of it as the heart and soul of your machine – the power source that gets those blades buzzing and your lawn looking like a million bucks.
So, picture this: you’re out mowing your lawn, the sun is shining, the birds are chirping, and suddenly, you notice oil splattering out of the breather. What’s up with that? Well, my friend, this is where things get interesting.

The Troublesome Breather System

You see, every Kohler engine has a special breather system. It’s like the engine’s very own respiratory system, ensuring the right balance of air and oil flow. This system is responsible for regulating the engine’s internal pressure and preventing oil from venting out into places it shouldn’t be. But sometimes, things can go awry in this carefully orchestrated dance.

Sherlock Holmes Time: Finding the Culprit

Let’s put on our detective hats and investigate the possible causes behind the oil blowing out of the breather. One potential culprit could be the oil level itself. It’s crucial to maintain the correct oil level in your engine, as an excessive amount can wreak havoc on the breather system, causing oil leaks and spills.
Another sneaky suspect could be worn-out piston rings or cylinder walls. Over time, these components can get tired, allowing oil to slip past them and make its grand exit via the breather. We definitely don’t want a slippery engine on our hands!
Clogged or damaged breather tubes are also common troublemakers. Just like how our noses get congested when we catch a cold, these tubes can become restricted, impeding the proper flow of air and oil. Helloooo, oil spill!

Cracking the Case: Step-by-Step Solution

Now that we’ve identified the possible culprits, let’s get down to business and solve this oil-spewing mystery once and for all. Here’s a step-by-step guide to troubleshooting and resolving the issue:
Step 1: The Oil Level Check
Inspect the oil level and ensure it’s within the recommended range. If it’s overfilled, reduce it to the appropriate amount. Sometimes, a simple adjustment can work wonders.
Step 2: Tube Tales
Next, examine the breather tubes for any clogs, cracks, or damage. A bit of gunk buildup or a tiny crack might be the smoking gun behind the oil blowout. Clean or replace the tubes accordingly, and give your engine the clean breathing space it deserves.
Step 3: Piston Ring Rendezvous
If the simple solutions haven’t done the trick, it’s time to get a bit more adventurous. Check the piston rings and cylinder walls for signs of wear and tear. These components play a vital role in keeping oil where it belongs. If they’re worn out, consider replacing them to restore order within the engine.
Step 4: Cool as a Cucumber
Lastly, but certainly not least, keep an eye on your engine’s temperature. If it’s running hotter than a summer day in the desert, it can cause excessive pressure and oil escapades. Ensure your cooling system is in top-notch condition, and address any issues that might be making your engine sweat.

Prevention is the Key

Now that you’ve triumphantly overcome this oil-spewing adventure, let’s talk about keeping it from happening again. Prevention is always better than cleaning up oily messes, right? Here are a few tips to help you maintain a healthy Kohler engine and avoid future breather system hiccups:

  • Regularly change the oil and oil filter according to the manufacturer’s guidelines. A fresh batch of oil keeps things running smoothly.
  • Keep the engine’s cooling fins free from debris and ensure proper airflow. Nobody likes a hot-headed engine!
  • Conduct routine inspections of the breather tubes and other engine components. Catching potential issues early can save you from future headaches.
  • When All Else Fails…

    If you’ve exhausted all the troubleshooting steps and the issue still persists, it might be time to call in the pros. Certified Kohler technicians have the expertise to tackle more complex engine problems. Sometimes, a second opinion can lead you to the path of a new engine or a potentially affordable rebuild, depending on the severity of the issue.


    Alright, folks, you’re now armed with all the knowledge and steps to boldly face a Kohler engine blowing oil out the breather. Remember, while it may be a messy situation, it’s not an unsolvable one. With a little detective work and perseverance, you can get that engine purring like a content kitten once again. So, put on your troubleshooting hat, grab your tools, and let’s get that breather system back in tip-top shape!