Some routine service actions such as changing the engine oil might seem evident and very important, while others such as changing the gearbox oil from its Toyota 4Runner may appear to be less natural. However, make no mistake, changing the gearbox is just as important as changing the engine oil. This guideline will describe the role of the gearbox oil, then, why it is necessary to replace the gearbox of your Toyota 4Runner, and finally, how to replace the gearbox oil of a Toyota 4Runner .
Function of gearbox oil on a Toyota 4Runner
So we begin our guideline with the role of gearbox oil on a Toyota 4Runner. The objective of this short introduction is to make you understand the benefit of this fluid which guarantees the good working of your motor vehicle. 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 work 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 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 functioning of the gearbox.
Why replacing the gearbox oil from a Toyota 4Runner?
Now we’ll see what’s the point of draining the gearbox oil of your Toyota 4Runner?
Interest of gearbox oil changing Toyota 4Runner
There are some interests to replace the gearbox of your motor vehicle regularly, 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 lead to 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, regardless if you constantly have a quality oil, a gearbox is an element that wears out and produces iron filings with friction, the oil will pick them up and if it accumulates too much these residues can get into gears and break them.
When to do the gearbox oil replace on a Toyota 4Runner?
Whether you want to do an automatic or manual gearbox oil change on Toyota 4Runner or strong> the procedure is not similar, nevertheless, dealers do not give mileage recommendations to replace the oil in your gearbox, nevertheless when you do an intervention on the gearbox it is beneficial to replace it, otherwise here are the reasons to make you take into consideration doing this oil replace.
Oil replace for manual gearbox Toyota 4Runner
- Gears are jumping: you are most likely missing oil and you may possibly have a gearbox oil leak, please see our content page on gearbox leaks on Toyota 4Runner for more info.
- The gearbox cracks when you change gears: The oil has certainly 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: generally 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 4Runner?
Finally, to end this content page, we will describe you how to empty the gearbox oil of your Toyota 4Runner , it’s easier than you might presume, here are the few actions to follow to do it properly:
- Heat your Toyota 4Runner 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 collect 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 want more guides on the Toyota 4Runner, go to our Toyota 4Runner category.
