Having a vehicle is beneficial, we most of the time need it to get to work and for most of our daily trips. This vital portion of our annual budget regularly causes us complications, being conscious of oil leaking on your car is one of them… In actual fact, an oil leak is hardly ever harmless and can quickly lead to the breakage of your engine if you don’t find it. If you are conscious of oil leaking on your Audi A6, you have come to the right place, we will first support you to uncover the cause of the oil leak and, secondly, we will help you to remedy it, whenever possible.

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Identifying the origin of the oil leaking on your Audi A6

If you find fluid leaking from under your Audi A6, the first thing to do is to verify all of your levels (power steering, engine oil, brake fluid, coolant) to discover if any of them can quickly be identified as the origin of the leak. To limit the risks, it is definitely necessary to verify your levels every 2 weeks to avoid any risk of engine breakage.
In our case we will only be interested in case you identify oil leaking from your Audi A6, as far as engine oil is concerned, the liquid will be quite viscous and in shades of brown to black and if it is gearbox oil, it will be rather in amber tones and will have a strong unpleasant smell.
It’s not always easy to uncover the cause of the oil that leaks on a Audi A6 because of the accessibility of the engine block, however here are the guidelines to follow to uncover the source of the oil:

  • Locate the point where the oil falls, the place from which it spills onto the floor…
  • Track down the route of the dripping oil to its origin, if the blot is too important, don’t hesitate to clean the engine block and drive to have the ability to find out it without difficulty.
  • That will help, here is a list of the auto parts that mostly bring about oil to leak from a car: the drain plug and its seal; one of your crankcase gaskets; the oil pressure switch; the oil filter; the transmission drain plug; the transmission sealing rings.

When possible, repair the part that caused the oil to leak on your Audi A6.

Now that you’ve discovered the cause of the oil leaking, it’s time to get down to business. Naturally, for a while, you’ll be able to add more oil to top up the level, according to its intensity, but be aware that this is not a durable treatment and that the leak could intensify at any time. We are likely to present you the repairs that we think you can perform on your own with some knowledge, tools and according to the accessibility that you are going to have on your engine. Whatever the case, you should know that after repairing an oil leak on a Audi A6, you will have to swap your engine or gearbox oil.

Oil leakage from the drain plug and its seal on Audi A6

In this scenario, the process is fairly simple, you just have to lift your Audi A6, if you can perfectly horizontal, remove your drain plug, drain your engine oil, swap your drain gasket, tighten the plug to the perfect torque and verify the hot engine to make sure the leak has been fixed.

Oil leaking over from the oil filter of my Audi A6

In case that your oil leak comes from your oil filter, you will basically need to replace it. To do this, take a filter wrench, remove the old filter, ensuring that the gasket does not stick to the engine, set the new filter and tighten it moderately. Same test, hot check if oil is leaking from your Audi A6.

Oil leaking from the pressure switch of my Audi A6

To finish , if it is your pressure switch that is the cause of your leak on your Audi A6, you can, determined by its accessibility, reach it and swap it very easily. To get this done, place a drain tray under the part, disconnect the electrical wire, remove the part, quickly reposition the replacement pressure switch, clean the whole thing and do a hot check to validate that you no longer have any oil leaking from your Audi A6.

For any other type of leak, we suggest you to go to your mechanic because the repair requires too much knowledge and tools to be performed serenely alone.

If you want more guides on the Audi A6, go to our Audi A6 category.