Being owner of an automobile is essential, we most of the time need it to get to our job and for almost all of our daily trips. This crucial part of our annual budget commonly causes us surprises, being aware about oil leaking on your car is one of them… Indeed, 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 aware about oil leaking on your Peugeot 406, you have come to the right web site, we will first assist you to find the origin of the oil leak and, additionally, we will help you to repair it, when possible.

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Identifying the origin of the oil leaking on your Peugeot 406

If you find out fluid leaking from under your Peugeot 406, the first action to take is to examine all of your levels (power steering, engine oil, brake fluid, coolant) to find out if any of them can promptly be defined as the origin of the leak. To limit the risks, it is definitely fundamental to examine your levels every 2 weeks to prevent any risk of engine breakage.
In our circumstance we will only be interested in circumstance you notice oil leaking from your Peugeot 406, 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 constantly easy to find the origin of the oil that leaks on a Peugeot 406 because of the space in the engine block, however here are the guidelines to adhere to to find the source of the oil:

  • Locate the point where the oil falls, the spot from which it leaks onto the floor…
  • Go back up the route of the dripping oil to its source, if the blot is too large, don’t think twice to clean the engine block and drive to be able to find it easier.
  • To help you, here is a list of the parts that in most cases 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.

If it is possible, fix the part that created the oil to leak on your Peugeot 406.

Now that you’ve located the origin 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 degree, but remember that this is not a durable answer and that the leak could intensify at any time. We are likely to demonstrate you the repairs that we think you can attempt all alone with some expertise, tools and according to the accessibility that you are going to have on your engine. No matter the reason, you should know that after repairing an oil leak on a Peugeot 406, you will have to change your engine or gearbox oil.

Oil leakage from the drain plug and its seal on Peugeot 406

In this situation, the process is quite easy, you just have to lift your Peugeot 406, if possible totally horizontal, remove your drain plug, drain your engine oil, change your drain gasket, tighten the plug to the right torque and examine the hot engine to make sure the leak has been repaired.

Oil leaking over from the oil filter of my Peugeot 406

In the event that your oil leak comes from your oil filter, you will only need to change it. To accomplish this, take a filter wrench, remove the old filter, being sure that the gasket does not stick to the engine, place the new filter and tighten it moderately. Same test, hot check if oil is leaking from your Peugeot 406.

Oil leaking from the pressure switch of my Peugeot 406

Finally, if it is your pressure switch that is the reason of your leak on your Peugeot 406, you can, in accordance with its accessibility, reach it and change it quickly. To make this happen, set 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 test to make sure that you no longer have any oil leaking from your Peugeot 406.

For any other type of leak, we suggest you to go to your auto mechanic because the repair will involve too much knowledge and tools to be carried out serenely alone.

To get more tips on the Peugeot 406, take a look at the Peugeot 406 category.