Car leaks oil

I have an oil leak.
Experienced mechanics share their insights in answering this question :
Hi. If your car is leaking oil I would first try to determine exactly where the leak is coming from, as to ensure that the correct repair is made. Any professional technician, such as one from YourMechanic, should be able to properly inspect the source of the oil leak, as well as make the repair necessary.

How to Identify and Fix Common car Problems ?

Our sources include academic articles, blog posts, and personal essays from experienced mechanics :

Common causes of oil leaks include degraded engine gaskets, leaks from the oil pan, or improper or worn out seals. An oil leak also can be caused by a loose or missing oil pan drain plug or deteriorated valve cover gaskets.
Cracked Gasket: The Core Culprit in Most Engine Oil Leaks

More often than not, a sudden oil leak after oil change is caused by a malformed or cracked gasket. Gaskets are usually made of urethane or rubber, and they can harden over time.

Engine Gasket

This is the number one area where oil leaks can develop and, we won`t lie, it`s devastating. There is a long seal between your cylinder heads, oil pan, and the engine block, and if this seal breaks, oil can leak into the cylinders and damage your engine.

Finding the Source of Your Oil Leak

Use a flashlight to check underneath your car and around your engine – telltale drips might lead you right to the problem. There are several common locations for oil leaks in your car, including: At your oil pan gasket. At your oil filter or drain plug.

As many classic car owners know, older cars are going to leak oil. Due to the technology of yesteryear, oil leaks are standard for most old cars and should not be a huge concern for drivers.
One of the easiest ways to fix the leak yourself is to use a stop leak additive or high mileage oil blend. Such products can soften and condition your car`s rubber seals to stop and prevent further automotive leaks. It may take up to a few hundred miles of driving before the leak is completely sealed.
An oil leak repair cost may be around $300 to $500, including the labor charge if you need to replace only the valve cover gasket. If you have to replace the entire valve cover unit, including the gasket, the cost can be up to $1,000 or more depending on the brand and model of your car.
Any of these can cause a leak. The fix: Oil filter leaks are easily repaired by loosening or tightening the filter, or re-attaching it. If it is being removed, the oil must first be drained or you could end up wearing several quarts of motor oil and adding a new shirt to the cost of the repair.
The most critical engine oil leaks are those that starve your engine of oil. If you see a large puddle on the ground, don`t try starting your engine. You may not have enough oil left to lubricate your engine and can cause permanent damage that can only be repaired by an engine rebuild or replacement.
Of all the things that can go wrong with an old car, an oil leak is one of the most common. Some people see it simply as a part of a vehicle`s aging process. It`s unavoidable, and as long as you keep your oil levels topped up, it`s not a big deal.
If a larger amount of oil is leaking and burning, you will see visible smoke coming from under the hood. Not only does this suggest a leak, it can also rapidly deteriorate other components in the vehicle. If you see smoke coming from your vehicle`s engine, get it checked by a professional immediately.
If you see a spot that is amber to dark brown or black in color, it`s likely motor oil, says Cars.com. Oil that is older will likely look dark brown or black, says Angie`s List — adding that you`ll typically notice oil leaks directly under where the engine was.
When you carefully follow the instructions for our engine, radiator or other stop leak products, there is no risk of damage.
Adding BlueDevil Oil Stop Leak to your engine oil will start to restore your oil pan gasket to its original size and shape even if it is cracked or shrunken sealing your leak quickly and permanently. You can find BlueDevil Oil Stop Leak at any of our partnering local auto parts stores like: AutoZone.
Untrue. A leaking engine will leak the same amount of either. Unless an engine is a real oil burner, it will burn less synthetic than regular. Myth: Synthetics void warranties.
There are some very common causes for that water under your car, including: air conditioning, exhaust, and the windshield washer fluid reservoir. If the puddle under your vehicle is colorless and odorless, there is a good possibility it is just water dripping from your vehicle`s air conditioning system.
A few drops of water leaking from underneath your car is most often a normal occurrence. When it`s uncomfortable outside and you have the A/C on full blast to keep you from melting into a puddle on the sidewalk, your cooling system is working harder than normal.
An oil leak repair cost may be around $300 to $500, including the labor charge if you need to replace only the valve cover gasket. If you have to replace the entire valve cover unit, including the gasket, the cost can be up to $1,000 or more depending on the brand and model of your car.
How Much Does It Cost To Fix The Leak? As motor oil leakage is a serious issue, the service price is around $85-$155, but can increase depending on what`s wrong. Plus, there`s an added labor cost between $70 and $1120.

Relevant Questions and Answers :

the most relevant questions and answers related to your specific issue

My car is leaking oil i got an oil change for it last month but it is still leaking oil what will cause my car to leak oil ?
ANSWER : Most older cars have oil leaks. Sealing technology has just not kept up with mechanical improvements to engines so much so that leaks often kill engines rather than mechanical problems. So, it is not unexpected at all to have an, indeed many, oil leaks on a 23 year old car. Oil leaks vary hugely in terms of severity and priority of repair. Oil leaking onto a hot engine manifold is the worst case (the oil can start a fire; at best, you are left breathing oil fumes in the cabin, as the oil burns off of the manifold) while de minimus seepage of oil at the oil drain plug or oil pan gasket, while annoying and messy, if limited enough is not an emergency. Some leaks are easy to repair, while others literally require the engine to be removed just to get physical access to all the leak points. In your circumstance, if you smell burning oil, oil is probably leaking onto a hot engine part such as the exhaust manifold. A certified Mechanic, dispatched by YourMechanic right to your location, can perform an oil leak diagnostic and then let you know of your repair options and costs.

As far as the check engine light, that is not related to the oil leak(s). If you request a check engine light diagnostic, a certified mechanic from YourMechanic would use a code scanner to retrieve the specific diagnostic trouble code(s) from your car’s PCM that have caused the check engine light to illuminate. Using those codes, the appropriate individual vehicle components or sub-systems (often a sensor, circuit, and the like) are then carefully tested, based on specifications set forth in your car’s Factory Service Manual, to pinpoint the cause of the fault or the reason why the check engine light has illuminated. Once the faulty part or component is identified, it is explained to your satisfaction and the mechanic will let you know of the cost to repair. If you have further questions or concerns, do not hesitate to re-contact YourMechanic as we are always here to help you.

Read Full Q/A … : Car leaks oil

Oil was leaking, put in over 4 qts of oil and oil leak stopper. White smoke coming tailpipe,engine shakes, car dies. Oil leaking.
ANSWER : Oil additives are not recommended by any vehicle manufacturer for any reason. Additives that purport to resolve oil leaks are useless, a waste of your money, and may result in engine damage. Every vehicle manufacturer strongly recommends against use of these materials. There is only one recommended and approved repair strategy when it comes to oil leaks: fix the leak.

You can only add the manufacturer specified amount of oil to an engine. If you add too much oil, or too little oil, that will cause engine damage. You should check the engine oil dipstick to determine if there is presently too much oil in the engine. If there is too much, the excess will have to be removed to prevent engine damage.

The leak that you are referring to can be repaired if you request an oil leak diagnostic. If you have further questions or concerns as you decide what to do, do not hesitate to re-contact YourMechanic because we want you to make the most of your repair dollars and help you get the best possible results.

Read Full Q/A … : Car leaks oil

Just noticed a huge oil leak trailing my car. It seems to be coming from below the engine. I recently had my oil changed a month
ANSWER : You might have a problem with the oil filter leaking when you rev the engine and increase the oil pressure. This can be from a collapsed oil filter media or excessive oil pressure from the engine. I recommend having the oil and filter replaced using a good quality filter and have the oil leak verified to be from the filter. Make sure to not run the engine low on oil. If you are finding you do not want to drive with the leak, a mobile technician from YourMechanic can come to your home or office, and replace both your filter, and oil.

Read Full Q/A … : Car leaks oil

2006 BMW oil filter gasket keeps breaking and oil leaks from oil filter. Oil leaks only after starting car in morning. PCV valve?
ANSWER : Hi There,
It sounds like you may need to replace the oil cap o-ring. If you haven’t done this before there are two O-rings to replace; a small green one on the base of the filter cap stem and the large black one that seals the filter cap (which seems to be the one you are having issues with). The large O-ring sits in a small square-shaped groove that is at the base of the oil filter cap. It is very easy to not properly seat the large O-ring because the threads for the oil cap are quite large and will accept the O-ring if you are not careful. I would suggest having a professional from YourMechanic come to your location to take a look at your vehicle.

Read Full Q/A … : Car leaks oil

Are these oil leak problems related?
ANSWER : If the oil filter housing is integral to the oil cooler, or the housing had to be removed to service the cooler, a professional mechanic with knowledge of the limited service life of rubber seals would have absolutely (guaranteed) replaced the filter housing gasket that you are now belatedly finding leaks. However, if the leaking gasket is in an assembly that was not touched, or is not part of the cooler, they might be on reasonable grounds to have not fooled with it. These cooler configurations vary (from Mercedes Benz model to model) so, having the advice I just gave, you can just simply ask them what configuration you have and go from there. The bottom line is, if indeed, the gasket that is presently leaking was "right in front of them" while they did the warranty work, it should have been replaced simply as a matter of course. Indeed, the weak link on modern engines has become gaskets and seals. The engine will mechanically far outlast the gasket and seals but the problem is to replace all of them (once they all leak) you have to literally take the engine out of the car and take it apart just to put all new seals in. Please let us know how we can help further on this issue.

Read Full Q/A … : Car leaks oil

think i put wrong oil in car went few miles lose power car dies oil in spark plugs still starts low oil blinking light before die.
ANSWER : Hello. If you put too thick of an oil in the car, then you may have damaged the engine bearings but this should not have caused oil to get in to the spark plugs unless the oil got into the intake of the engine or one of the pistons rings broke. If you ran it without oil and then tried to put oil in thinking it would be okay after that, then you were not that lucky and broke or damaged all of the rings on the pistons. If you would like to have this looked over, a certified professional from YourMechanic can come to your car’s location to inspect the stalling issue and go over all of the relevant systems for a better diagnosis.

Read Full Q/A … : Car leaks oil

lost all oil pressure, replaced the oil pump, low oil sensor, oil pressure sensor, oil pan gasket,
ANSWER : The fuel pump will not stay on if you loose oil pressure. This is why it is shutting off. The loss of oil pressure may be from bad crankshaft bearings or camshaft bearings. The engine oil pan should be removed and the oil pump needs to be checked to ensure that you put in the pick up tube seal to the pump and connected the pump to the block. Then remove at least one main bearing cap and inspect the bearings for excessive wear and crankshaft damage. If you need some help with this, consider YourMechanic, as a certified technician can help diagnose the issue with your oil pressure firsthand and help you fix it accordingly.

Read Full Q/A … : Car leaks oil

Oil leak turned into oil cooler replacement
ANSWER : Hi there. There are two types of oil coolers on many cars, the engine oil cooler and the transmission oil cooler. It’s not a part that typically wears out frequently, however, sometimes leaks can develop due to being hit by an object or seals and gaskets failing.

As far as how long an oil cooler will last, that’s hard to answer due to the fact that it’s a mechanical part that can fail for many reasons that simply can’t be predicted. However, if it were to happen again, one of our local ASE certified mechanics can complete the oil cooler replacement for you.

Read Full Q/A … : Car leaks oil