Several signs and symptoms, including the oil dipstick indication level, blue exhaust smoke, leaking oil, and even an engine misfire, can all be signs of oil overfilling. Fortunately, fixing the issue is not nearly as hard as one might think if caught early, but if overfilling signs are ignored, it could mean a new engine in the worst-case-scenario.
The amount of motor oil each vehicle needs varies from vehicle to vehicle depending on the manufacturer and engine size. Engine size is usually more of an indication of how much oil a vehicle needs since smaller engines require less oil than larger ones. If that is not available, most manufacturers post this information on their respective websites, or you can often go to specific make and model forums to find the information you need. Oil is necessary for a vehicle with so many different moving parts.
The correct amount must be used. Too little oil is a well-known cause of engine problems or failure, but too much oil is often an overlooked problem. Several issues could occur if too much oil is added to the engine. Oil added to a vehicle travels down the fill tube and into a reservoir called the oil pan.
Even though it is pumped through the engine to lubricate its parts, oil that contacts the crankshaft can be churned up like milk in a frothing machine.
This can have the opposite effect of its intended purpose and not lubricate needed parts due to this aeration process. This frothing causes oil to lose its lubricity, and thus, its effectiveness. An engine and its moving parts are sealed so that things like water cannot get in and interfere with engine balancing or cause worse damage. As a result, many areas within the engine contain immense pressure.
Likewise, the systems that pump oil to needed parts are also pressurized. The increase in oil volume can also lead to an increase in component and overall engine pressures. This may not be a problem in the short-term, but it will certainly lead to detrimental issues if not addressed. One of the direct results of increased engine pressure is oil leaks. An engine is not comprised of one huge piece that contains each moving part, but rather, it is made up of thousands of components that are sealed with gaskets and bolts.
Increased engine pressure can cause the gaskets to reach beyond their limits and slowly leak or burst. The result could be as small as a drip on your garage floor that is hardly noticeable to a large puddle of oil on the floor and all over the engine.
Two things generally cause spark plug issues: age or fouling. As a result, spark plug issues caused by excess oil are usually the result of prolonged oil leaking and not rectifying excess oil issues over a longer time.
The chances that you will encounter one or more of the consequences of adding too much oil to your car are going to increase if you go over the fil line on more than just one occasion.
This is by far the worst possible outcome of driving a car with too much car oil, although it is far from impossible. As you continue to use your car oil will turn into foam, which in turn will cause damage to different car parts and eventually cause the engine to stop running entirely.
The oil that turns into foam contains high levels of air which can cause the rods and pipes to bend and even collapse. An oil leak can dirty up spark plugs to the point where your only option is to replace them. Follow this link if you want to learn how to clean spark plugs.
The oil that reaches the catalytic converter burns, which over time causes clogging. As a result, the engine will not be able to operate normally, and it may even break down entirely. The oil that turned to foam cannot disperse heat efficiently, which makes your car more prone to overheating. The problems resulting from oil overfill can be resolved relatively quickly if the issue is detected in time.
However, you should only attempt to fix this problem on your own if you know exactly what you are doing. Keep in mind that not having enough oil in a car is just as bad as having too much of it, so if you decide to remove the oil by yourself you should pay close attention to how much oil is left in the engine. Car owners that have well-equipped garages can use oil extractor pumps to reduce the oil level back to normal.
Take the dipstick out and place it on the towel to avoid staining the surface on which it is placed. Put the extraction tube into the dipstick tube and ensure that the drainage container is positioned correctly in order to avoid spillage.
Use the dipstick to check the oil level from time to time and switch off the oil extractor pump after it has reached the recommended level. This method is a bit more complicated, as you have to get under your car in order to reach the oil plug. Wearing a pair of gloves and glasses is going to provide protection against scalding your skin with warm oil.
Once you jacked up your car and secured its position with jack stands, you should place the drainage container beneath the oil plug. You should then use the wrench to loosen the oil plug so that the fluid can flow out of the vehicle slowly. Keep your eye on the amount of fluid in the drainage container, and tighten the oil plug once a sufficient amount of fluid has been removed. You should also use the dipstick to check if the oil level is above or below the fill line.
If the oil reaches a point above the fill line, then you have overfilled the engine oil in your car. If you have too much engine oil in your car, you must drain it from beneath the car. Place the plastic oil pan beneath the oil plug. With the socket wrench, loosen the oil plug until oil begins to trickle out. Continue to loosen the oil plug as much as you think necessary to drain excess oil. However, be careful not to loosen the oil plug too much, as it will result in a flood of oil.
Continue to check the oil dipstick until the oil level is even with the full mark. Kenny Soward writes for various online publications, covering topics from physical fitness to religion. He has also published several short stories.
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