How To Stop Oil Coming Out Of Valve Cover Breather

how to stop oil coming out of valve cover breather

Are you tired of dealing with oil splattering from your valve cover breather? We get it. It can be messy and downright frustrating. But fear not because we’re here to help you end this oily predicament once and for all. In this article, we’ll guide you through some simple steps how to stop oil coming out of valve cover breather. So, grab your tools and get ready to say goodbye to the oily mess!

Inspect the Valve Cover Breather

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To stop oil coming out of valve cover breather, the first thing you need to do is inspect your valve cover breather. Check for any cracks, leaks, or clogs that may be causing the oil to escape. If you notice any issues, addressing them before moving on to the next steps is important.

Clean the Valve Cover Breather

If your valve cover breather is dirty or clogged, it can cause oil to back up and spill out. Remove the breather from the valve cover and clean it thoroughly using a degreaser or solvent. Be sure to remove any built-up debris or oil residue causing the issue.

Replace or Repair Faulty Parts

If you have inspected the valve cover breather and found cracks or leaks, replacing or repairing those faulty parts may be necessary. Look for replacement gaskets, seals, or valves compatible with your specific breather. Make sure to follow the manufacturer’s instructions for installation.

Install an Oil Catch Can

An oil catch can is a device that helps separate the oil from the air passing through the valve cover breather. It collects the oil and prevents it from escaping into the environment or splattering onto other engine components. Installing an oil catch can significantly reduce or eliminate oil from the valve cover breather.

To install an oil catch can, you must locate a suitable mounting location on your vehicle’s engine bay. This can vary depending on the make and model of your vehicle, so it’s important to consult your owner’s manual or do some research specific to your vehicle.

Once you have identified a suitable location, secure the oil catch can using the provided mounting hardware. Then, connect the inlet hose from the valve cover breather to the inlet port on the oil catch can. Finally, connect the outlet hose from the oil catch can to a vent or intake manifold vacuum source.

Regular Maintenance Help To Stop Oil Coming Out

To ensure that your valve covers breather work properly and prevents oil from escaping, it’s important to perform regular maintenance. It includes checking for clogs or leaks, cleaning the breather periodically, and emptying or replacing the oil catch can as needed. By keeping up with these maintenance tasks, you can greatly reduce the chances of oil splattering out of your valve cover breather.


Dealing with oil coming out of your valve cover breather can be a messy and frustrating experience. However, by following these simple steps, you can end this problem once and for all. Inspect your valve cover breather for any cracks or clogs, clean it thoroughly, and replace or repair any faulty parts. Installing an oil catch can is also a great way to prevent oil from escaping. And don’t forget to perform regular maintenance to keep everything running smoothly. Say goodbye to the oily mess and enjoy a cleaner engine bay!

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