Being owner of a car is fundamental, we often need it to get to our job and for a majority of our daily trips. This vital part of our annual budget frequently causes us complications, being aware about oil leaking on your car is one of them… In fact, an oil leak is rarely inoffensive and can quickly lead to the breakage of your engine if you don’t find it. If you are aware about oil leaking on your Audi S4, you have come to the right web site, we will first assist you to find the origin of the oil leak and, secondly, we will help you to remedy it, when possible.

fix-oil-leakaudi-s4

Identifying the origin of the oil leaking on your Audi S4

If you see fluid leaking from under your Audi S4, the first right move is to check all of your levels (power steering, engine oil, brake fluid, coolant) to discover if any of them can fairly quickly be defined as the source of the leak. To limit the risks, it is absolutely important to check your levels every 2 weeks to avoid any risk of engine breakage.
In our circumstance we will only be interested in circumstance you notice oil leaking from your Audi S4, 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 find the origin of the oil that leaks on a Audi S4 because of the space in the engine block, nevertheless here are the steps to follow to find the origin of the oil:

  • Discover 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 source, if the blot is too large, don’t be reluctant to clean the engine block and drive to be capable to discover it without difficulty.
  • That may help you, here is a list of the auto parts that mostly cause 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.

Whenever possible, repair the part that created the oil to leak on your Audi S4.

Now that you’ve located the origin of the oil leaking, it’s time to get down to business. Obviously, for a while, you’ll be able to add more oil to top up the level, depending on its intensity, but remember that this is not a long lasting remedy and that the leak could intensify at every time. We are going to show you the repairs that we think you can carry out all alone with some expertise, tools and depending to the accessibility that you are going to have on your engine. In any case, you should know that after repairing an oil leak on a Audi S4, you will have to change your engine or gearbox oil.

Oil leakage from the drain plug and its seal on Audi S4

In this situation, the strategy is fairly simple, you just have to lift your Audi S4, when possible totally horizontal, remove your drain plug, drain your engine oil, change your drain gasket, tighten the plug to the right torque and check the hot engine to make sure the leak has been fixed.

Oil leaking over from the oil filter of my Audi S4

In the case that your oil leak comes from your oil filter, you will just need to replace it. To get this done, take a filter wrench, remove the old filter, ensuring that that the gasket does not stick to the engine, fit the new filter and tighten it moderately. Same evaluation, hot check if oil is leaking from your Audi S4.

Oil leaking from the pressure switch of my Audi S4

To finish , if it is your pressure switch that is the trigger of your leak on your Audi S4, you can, depending on its ease of access, reach it and change it very easily. To accomplish this, set a drain tray under the part, disconnect the electrical wire, remove the part, quickly reposition the replacement pressure switch, clean the assembly and do a hot check to verify that you no longer have any oil leaking from your Audi S4.

For any other type of leak, we suggest you to go to your auto technician because the repair necessitates too much knowledge and tools to be undertaken serenely alone.

In the event that you have any further questions about the Audi S4, do not hesitate to consult our Audi S4 category.