Noticing oil dripping on the floor under your car is a sign that shouldn’t be ignored.
As well as making a mess of the garage or driveway, a car dripping oil on the floor could be indicating a more serious engine problem.
Understanding the causes, the risks involved and how to solve this problem is essential to keeping your vehicle in good condition and ensuring your safety on the road.
In this article, explore the main reasons for oil in the engine loss, how to identify leaks and what can be done to rectify the situation.
What Is An Oil Leak?
An oil leak occurs when oil, which circulates through the engine to lubricate its internal parts, escapes due to a fault in the sealing system or damage to specific components of the car.
This oil leak in a car can result in oil dripping onto the floor, varying in quantity depending on the severity of the problem.
Oil leaks can occur in certain components of the car, so it is important to identify the exact source.
Where Can Oil Leaks Happen?
Oil leaks can occur in various parts of the engine as well as in the gearbox and differentials.
As a general rule, the most common parts are:
Crankcase
The crankcase, which is located at the bottom of the engine, stores the oil before it is pumped into the engine.
One of the most common causes of a crankcase oil leak is an improperly tightened crankcase plug or a damaged gasket.
In addition, the sump can be damaged by impact with objects on the road, especially in cars with low suspension.
In these cases, a small crack in the crankcase can cause oil loss, which can be seen by oil dripping onto the ground.
Engine
Gaskets such as the valve cover gasket, head gasket or crankcase gasket can wear out over time due to the heat and pressure of the engine, allowing oil to escape.
On the other hand, a dirty engine is a clear sign that there is an oil leak engine somewhere.
These leaks can be in different areas; however, they are very common in engines with many kilometers on the clock or which have not been properly maintained.
Turbo
A turbo is a device that uses the energy in exhaust gases to increase the engine’s power. However, it also depends on proper lubrication to work properly.
If the seals or gaskets on the turbo are worn, oil can start leaking into the exhaust system, resulting in white smoke coming out of the exhaust.
In more serious cases, this loss of oil can result in reduced engine power.
Oil Filter
An oil filter leak can occur if the filter is incorrectly tightened, if the filter gasket is damaged, or if the filter is of poor quality.
Improper installation during the oil change can result in oil dripping onto the floor, especially right after the change.
What Three Things Can Cause An Oil Leak?
The most common causes of an engine oil leak from car include:
- Gasket Wear: gaskets are responsible for sealing the various parts of the engine. Over time, they can crack or wear out, allowing oil to leak out;
- Crankcase Problems: the crankcase is one of the areas most susceptible to leaks, especially if the plug is incorrectly tightened or the seal is damaged;
- Unsuitable Oil: using an oil with the wrong viscosity can result in failures in the sealing system.
What Are The Colors Of Oil And What Do They Mean?
The colors of engine oil can provide important information about the condition of the oil and often indicate possible engine problems. Find out what the most common oil colors are and what each one might mean:
- Amber Or Light Gold: the color of engine oil that has recently been changed. It means it is clean and performing its lubrication function;
- Light Brown: means that it has already accumulated some dirt and particles from the engine. It indicates that it is working properly;
- Dark Brown Or Black: although some darkening is normal, very dark or black oil can indicate problems such as poor maintenance, overheating, misfiring or internal engine problems.
How To Diagnose An Oil Leak?
To discover an oil leak, the first step is to regularly check the ground under the car, as oil stains are a clear sign that something isn’t right.
In addition, you can visually inspect the engine for signs of accumulated or leaking oil in certain areas, such as the crankcase or around the gaskets.
If the engine is dirty with oil, this could be a sign of a significant leak. In more serious cases, the leak may be internal, which requires a more detailed inspection by a mechanic.
Can You Drive a Car With An Oil Leak?
Driving with an oil leak can compromise your safety on the road.
Oil is essential for engine lubrication, and its absence can cause overheating and permanent damage.
What’s more, a drop of oil on the ground poses a risk of skidding, both for the driver and for other vehicles on the road.
How To Solve An Oil Leak?
The best way to solve an oil leak is to identify its cause and repair the damaged part.
In these cases, it’s best to go to a garage specializing in auto repairs.
How Expensive Is It To Fix An Oil Leak?
The cost of repairing an engine oil leak varies according to the location of the leak and the severity of the problem.
Simple repairs, such as replacing a gasket, can range from tens to thousands of euros.
However, if larger parts need to be replaced or more complex repairs carried out, the cost can be very high.
How Can I Prevent Oil Leaks In My Car?
To prevent oil leaks, it is essential to carry out regular vehicle maintenance, including changing the oil according to the manufacturer’s recommendations.
Using the correct oil for your car’s engine also helps to extend the life of the seals.
In addition, regularly inspecting the engine and areas prone to leaks, such as the crankcase and gaskets, can prevent major problems.
Which Tools In The Kroftools Catalog Help Repair Oil Leaks?
KROFtools has a range of tools in its catalog to facilitate the process of repairing oil leaks:
1/4″-3/8″-1/2″ Sockets Set 219PCS
With a wide range of short and long socket wrenches, Torx wrenches, spark plug wrenches, bits and accessories, the set is compatible with 1/4″, 3/8″ and 1/2″ sizes.
It includes 72-tooth ratchets, universal cardans, increments and hex keys, offering maximum precision and practicality for different types of work.
Click on the image to find out more about 1/4″-3/8″-1/2″ Sockets Set 219PCS (ref. 2218).
Oil-Filter Hook Wrench
Perfect for removing hard-to-reach oil filters, with an adjustment of between 110 and 155mm.
Click on the image to find out more about the Oil-Filter Hook Wrench (ref.1029).
Oil Drain Pan
Essential to avoid oil spills during oil changes.
Click on the image to find out more about Oil Drain Pan (ref.2044).
Syringe Oil
This tool is useful for transferring oil quickly and accurately when solving oil leaks.
Click on the image to find out more about the Syringe Oil (ref. 3232)
Oil Filter Offset Wrench Set
Ideal for safely removing oil filters without damaging components. Compatible with various makes of car, such as Mercedes-Benz, BMW Mini, Renault and Opel.
Click on the image to find out more about the Oil Filter Offset Wrench Set (ref. 4088).
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