Some routine service actions such as changing the engine oil might seem evident and important, although others such as changing the gearbox oil from its Infiniti QX80 may seem less natural. However, produce no mistake, changing the gearbox is just as essential as changing the engine oil. This article content will show you the purpose of the gearbox oil, then, why it is important to change the gearbox of your Infiniti QX80, and at last, how to change the gearbox oil of a Infiniti QX80 .

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Function of gearbox oil on a Infiniti QX80

So we start our article content with the purpose of gearbox oil on a Infiniti QX80. The objective of this short introduction is to produce you understand the benefit of this fluid which ensures the good working 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 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 operate with the help of an axle and a differential. All these parts will need to be highly lubricate to action accurately, limit friction and tolerate the high temperatures produced 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 fundamental to the correct functioning of the gearbox.

Why changing the gearbox oil from a Infiniti QX80?

Now we’ll discover what’s the point of draining the gearbox oil of your Infiniti QX80?

Interest of gearbox oil changing Infiniti QX80

There are some concerns to change the gearbox of your car frequently, we will list them and detail them below:

  • After a while, the oil will lose its viscosity caused by 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, even if you always have a quality oil, a gearbox is an component that wears out and creates 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 change on a Infiniti QX80?

If you want to do an automatic or manual gearbox oil change on Infiniti QX80 or strong> the procedure is not the same, nevertheless, dealers do not give mileage recommendations to change the oil in your gearbox, on the other hand when you do an intervention on the gearbox it is beneficial to change it, otherwise here are the causes to produce you think about doing this oil change.

Oil change for manual gearbox Infiniti QX80

  • Gears are jumping: you are most certainly missing oil and you might have a gearbox oil leak, please discover our article on gearbox leaks on Infiniti QX80 for more info.
  • The gearbox cracks when you switch gears: The oil has absolutely lost viscosity and is too fluid, so the gears get stuck.
  • Difficulty to shift gears: Same problem as just before, the oil is obviously too fluid.

Automatic gearbox oil change

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

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How to change gearbox oil of a Infiniti QX80?

At last, to conclude this article, we will show you you how to empty the gearbox oil of your Infiniti QX80 , it’s much easier than you might presume, here are the few steps to stick to to do it accurately:

  • Heat your Infiniti QX80 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 certainly 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 wish more tutorials on the Infiniti QX80, go to our Infiniti QX80 category.