Some maintenance actions such as changing the engine oil might seem obvious and important, while others such as changing the gearbox oil from its Toyota Sienna may appear to be less natural. However, produce no mistake, changing the gearbox is just as important as changing the engine oil. This article content will show you the role of the gearbox oil, then, why it is important to replace the gearbox of your Toyota Sienna, and finally, how to replace the gearbox oil of a Toyota Sienna .
Function of gearbox oil on a Toyota Sienna
So we begin our article content with the role of gearbox oil on a Toyota Sienna. The objective of this short introduction is to produce you understand the interest of this fluid which guarantees the good performance of your car. The gearbox of your car has the objective to demultiply the power transferred by the engine and send it back to your wheels . It is done 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 operate with the help of an axle and a differential. All these auto parts will need to be highly lubricate to objective accurately, limit friction and tolerate the high temperatures built by the engine and friction. Your transmission oil has a high viscosity and will prevent the formation of filings or gear breakage, so it is important to the proper functioning of the gearbox.
Why changing the gearbox oil from a Toyota Sienna?
Now we’ll find out what’s the point of draining the gearbox oil of your Toyota Sienna?
Interest of gearbox oil changing Toyota Sienna
There are several concerns to replace the gearbox of your car repeatedly, we will list them and detail them below:
- As time passes, the oil will lose its viscosity due to friction and temperature rise, which will bring about less lubrication of the gears and pinions and therefore risk to break some of them.
- Same as viscosity, time and temperature rise will lower the oil resistance to the engine 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, even if you always have a quality oil, a gearbox is an component 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 Sienna?
Whether you want to do an automatic or manual gearbox oil change on Toyota Sienna or strong> the procedure is not the same, nevertheless, dealers do not give mileage suggestions to replace the oil in your gearbox, however when you do an intervention on the gearbox it is beneficial to replace it, in any other case here are the reasons to produce you take into consideration doing this oil replace.
Oil replace for manual gearbox Toyota Sienna
- Gears are jumping: you are almost certainly missing oil and you might have a gearbox oil leak, please find out our article on gearbox leaks on Toyota Sienna for more info.
- The gearbox cracks when you switch gears: The oil has undoubtedly lost viscosity and is too fluid, so the gears get stuck.
- Difficulty to shift gears: Same problem as just before, the oil is certainly too fluid.
Automatic gearbox oil replace
- A slow begin from the neutral position to the first one: quite often a viscosity problem.
- Difficulty or even impossibility to shift gears: Lack of oil
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How to replace gearbox oil of a Toyota Sienna?
At last, to end this article, we will show you you how to empty the gearbox oil of your Toyota Sienna , it’s less difficult than you might presume, here are the few actions to follow to do it accurately:
- Heat your Toyota Sienna 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 almost certainly 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 recommended dose
If you need more tutorials on the Toyota Sienna, go to our Toyota Sienna category.
