How to Fix Milky Oil in Engine?

What is Milky Oil?

Your car engine needs regular oil changes, but watery oil is a sign that something went wrong. You’ll need to take some immediate action to fix it or risk serious engine damage.

When the oil in your engine looks milky or cloudy, you need to take action—quickly. Cloudy oil means there’s water mixed in with the lubricant when there shouldn’t be. The combination of oil and water will create a seal between the cylinder head and the engine block, causing your coolant temperature to rise too quickly as water builds up in the cylinder heads, creating a problem called “hydro-lock.” This can cause your car to overheat because the resulting sludge will prevent proper circulation.

Step 1: Check for water

The first step in fixing milky engine oil is to identify the water source. To do this, check the engine dipstick, the oil filler cap, and the drain plug on your engine block. If you see any signs of water or moisture, it’s time to start investigating further.

If the dipstick and filler cap aren’t where you find water, then you may have a leaky head gasket or cracked cylinder heads or block.

Check for condensation on the inside of plastic bags when you remove them from your car
Take your car into a mechanic if you don’t see any condensations

Step 2: Replace the oil

Now that you’ve decided to replace your engine’s oil, here’s how to do it:

Wear gloves, oil can be slippery. It can also cause dermatitis. Gloves will add a layer of protection for both you and your vehicle.
Remove the oil filter and oil drain plug. Use a wrench to loosen the drain plug once you’ve located it on the underside of your car’s engine (usually underneath). Allow all of the old oil to drain completely from your engine by waiting at least 5-10 minutes after removing the drain plug before allowing yourself to continue with this process. If there is not enough time before sunset or if you simply don’t have time in general, wait until morning when there is more light outside and more time in your day to dedicate solely to replacing your vehicle’s oil filter and draining its old, milky motor oil.
Unscrew and remove the old oil filter using a wrench or other tool that can help unscrew it once it has been located on top of or near your car’s engine (usually on top). Once unscrewed and removed completely from where it was previously attached above or near your vehicle’s engine, replace it with a new one by screwing it into place securely so that you have eliminated all possible leaks in this area before continuing onward with this process.

Step 3: Remove and inspect the radiator cap

At this point, you can remove the radiator cap and inspect it for damage. If the cap is damaged, replace it with a new one. The radiator cap is responsible for keeping the coolant in the radiator and maintaining its pressure. Damaged caps may not maintain the coolant at its proper temperature or pressure.

If your cap is still in good shape, set it aside and move on to Step 4.

Step 4: Inspect the cylinder head gasket

Now in the fourth step, you need to inspect the cylinder head gasket. This can be done by removing the cylinder head gaskets. The cylinder head gaskets have thin metal plates that are sandwiched between rubber or cork material, and they prevent engine oil from leaking out of your engine as well as gases coming into it. These parts of your car can get damaged if there is excess heat in the engine or if coolant leaks from the cooling system. Also, if you overheat your engine too often then this will lead to damage on these parts of the vehicle, too.

If you see that there is a small problem with them, then you should replace them before fixing anything else on your car. But if there isn’t any problem with them and they are all intact then move to Step Five – Check for leaks from Exhaust Manifold Gasket.

Step 5: Check for coolant in the oil

If your oil looks milky white, then there may be a few causes for this. The most common reason for the milky substance is the presence of coolant in the engine oil. Coolant can appear in your oil due to a number of issues, ranging from cracked cylinder head or head gasket to water pump and air conditioner issues.

If you have found milky cream-like fluid in your engine oil, then you will need to replace your head gasket or cylinder head if that is where the leak is originating from.