Some maintenance actions such as changing the engine oil may seem obvious and fundamental, while others such as changing the gearbox oil from its Lexus NX may seem less automatic. Nevertheless, make no mistake, changing the gearbox is just as necessary as changing the engine oil. This guideline will describe the purpose of the gearbox oil, then, why it is vital to replace the gearbox of your Lexus NX, and finally, how to replace the gearbox oil of a Lexus NX .
Purpose of gearbox oil on a Lexus NX
So we start our guideline with the purpose of gearbox oil on a Lexus NX. The objective of this short introduction is to make you understand the interest of this fluid which ensures 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 function 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 essential to the correct functioning of the gearbox.
Why changing the gearbox oil from a Lexus NX?
Now we’ll find out what’s the point of draining the gearbox oil of your Lexus NX?
Benefit of gearbox oil changing Lexus NX
There are some interests to replace the gearbox of your car frequently, we will list them and outline them below:
- Over time, the oil will lose its viscosity because of 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 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 element that wears out and generates 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 Lexus NX?
Whether you want to do an automatic or manual gearbox oil change on Lexus NX or strong> the procedure is not the same, however, dealers do not give mileage suggestions to replace the oil in your gearbox, nevertheless when you do an intervention on the gearbox it is advisable to replace it, in any other case here are the factors to make you take into consideration doing this oil replace.
Oil replace for manual gearbox Lexus NX
- Gears are jumping: you are likely missing oil and you might have a gearbox oil leak, please find out our content on gearbox leaks on Lexus NX 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 certainly too fluid.
Automatic gearbox oil replace
- A slow start 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 Lexus NX?
At last, to end this content, we will describe you how to empty the gearbox oil of your Lexus NX , it’s much easier than you might think, here are the few actions to follow to do it accurately:
- Heat your Lexus NX 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 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 need more tutorials on the Lexus NX, go to our Lexus NX category.
