Some maintenance actions such as changing the engine unit oil may seem evident and very important, while others such as changing the gearbox oil from its Toyota Yaris may seem less automatic. However, produce no mistake, changing the gearbox is just as necessary as changing the engine unit oil. This article will show you the purpose of the gearbox oil, then, why it is important to replace the gearbox of your Toyota Yaris, and at last, how to replace the gearbox oil of a Toyota Yaris .

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Function of gearbox oil on a Toyota Yaris

So we start our article with the purpose of gearbox oil on a Toyota Yaris. The objective of this short introduction is to produce you understand the interest of this fluid which ensures the good performance of your motor vehicle. The gearbox of your car has the mission to demultiply the power transferred by the engine unit and send it back to your wheels . It is made up of pinions and gears that will allow the wheels to rotate at different speeds depending on the curves and the gear engaged. It will function with the help of an axle and a differential. All these auto parts will need to be strongly lubricate to objective properly, limit friction and tolerate the high temperatures built by the engine unit and friction. Your transmission oil has a high viscosity and will prevent the formation of filings or gear breakage, so it is necessary to the proper working of the gearbox.

Why changing the gearbox oil from a Toyota Yaris?

Now we’ll discover what’s the point of draining the gearbox oil of your Toyota Yaris?

Interest of gearbox oil changing Toyota Yaris

There are some concerns to replace the gearbox of your motor vehicle repeatedly, we will list them and detail them below:

  • As time passes, the oil will lose its viscosity caused by friction and temperature rise, which will result in less lubrication of the gears and pinions and therefore risk to break some of them.
  • Same as viscosity, time and temperature rise will decrease the oil resistance to the engine unit temperature, So it will fluidize much more easily when the engine heats up, which is not good for your gearbox.
  • Accumulation of metallic residues: Finally, regardless if you always have a quality oil, a gearbox is an element that wears out and releases iron filings with friction, the oil will pick them up and if it gathers up too much these residues can get into gears and break them.

When to do the gearbox oil replace on a Toyota Yaris?

If you want to do an automatic or manual gearbox oil change on Toyota Yaris or strong> the procedure is not similar, however, dealers do not give mileage recommendations to replace the oil in your gearbox, however when you do an intervention on the gearbox it is advisable to replace it, in any other case here are the causes to produce you take into consideration doing this oil replace.

Oil replace for manual gearbox Toyota Yaris

  • Gears are jumping: you are most likely missing oil and you may have a gearbox oil leak, please discover our content page on gearbox leaks on Toyota Yaris for more information.
  • The gearbox cracks when you change gears: The oil has absolutely lost viscosity and is too fluid, so the gears get stuck.
  • Difficulty to shift gears: Same issue as just before, the oil is obviously too fluid.

Automatic gearbox oil replace

  • A slow start from the neutral position to the first one: quite often a viscosity issue.
  • Difficulty or even impossibility to shift gears: Lack of oil

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How to replace gearbox oil of a Toyota Yaris?

Finally, to end this content page, we will show you you how to empty the gearbox oil of your Toyota Yaris , it’s much easier than you might believe, here are the few steps to stick to to do it properly:

  • Heat your Toyota Yaris for about 10 minutes to get a fluid oil, place it flat on 4 stands.
  • Install a drain pan under the drain plug, open it, and clean it well because it will most likely gather filings.
  • Let all the oil run out until it’s all gone.
  • Replace and tighten the cap, then fill with a syringe through the filler cap with the manufacturer’s suggested dose

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