Having a vehicle is vital, we generally need it to get to our job and for almost all of our daily trips. This important part of our annual budget occasionally causes us complications, being conscious of 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 discern it. If you are conscious of oil leaking on your Toyota Sienna, you have come to the right web site, we will first help you to uncover the source of the oil leak and, additionally, we will help you to remedy it, if possible.

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Identifying the origin of the oil leaking on your Toyota Sienna

If you find out fluid leaking from under your Toyota Sienna, the first action to take is to examine all of your levels (power steering, engine oil, brake fluid, coolant) to see if any of them can fairly quickly be defined as the source of the leak. To limit the risks, it is absolutely important to examine your levels every 2 weeks to prevent any risk of engine breakage.
In our circumstance we will only be focused on circumstance you find oil leaking from your Toyota Sienna, 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 source of the oil that leaks on a Toyota Sienna because of the room in the engine block, even so here are the steps to stick to to uncover the origin of the oil:

  • Locate the point where the oil falls, the region from which it spills onto the ground…
  • Track down the path of the dripping oil to its start, if the blot is too important, don’t be reluctant to clean the engine block and drive to be capable to identify it with less effort.
  • That may help you, here is a list of the parts that mostly provoke 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 brought on the oil to leak on your Toyota Sienna.

Now that you’ve found the source 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, determined by its intensity, but bear in mind that this is not a durable answer and that the leak could get worse at any moment. We are going to demonstrate 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. Whatever the case, you should know that after repairing an oil leak on a Toyota Sienna, you will have to swap your engine or gearbox oil.

Oil leakage from the drain plug and its seal on Toyota Sienna

In this circumstance, the solution is fairly simple, you just have to lift your Toyota Sienna, if possible totally horizontal, remove your drain plug, drain your engine oil, swap your drain gasket, tighten the plug to the appropriate torque and examine the hot engine to make sure the leak has been fixed.

Oil leaking over from the oil filter of my Toyota Sienna

In case that your oil leak comes from your oil filter, you will only need to change it. To get this done, take a filter wrench, remove the old filter, making sure that the gasket does not stick to the engine, fit the new filter and tighten it moderately. Same check, hot check if oil is leaking from your Toyota Sienna.

Oil leaking from the pressure switch of my Toyota Sienna

Finally, if it is your pressure switch that is the reason of your leak on your Toyota Sienna, you can, according to 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 Toyota Sienna.

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

If you wish more tutorials on the Toyota Sienna, go to our Toyota Sienna category.