Some maintenance actions such as changing the engine oil may seem obvious and very important, while others such as changing the gearbox oil from its Lexus RX may seem less automatic. Nevertheless, make no mistake, changing the gearbox is just as essential as changing the engine oil. This content page will show you the function of the gearbox oil, then, why it is essential to replace the gearbox of your Lexus RX, and finally, how to replace the gearbox oil of a Lexus RX .
Purpose of gearbox oil on a Lexus RX
So we begin our content page with the function of gearbox oil on a Lexus RX. 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 firmly lubricate to objective 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 Lexus RX?
Now we’ll find out what’s the point of draining the gearbox oil of your Lexus RX?
Benefit of gearbox oil changing Lexus RX
There are several interests to replace the gearbox of your car frequently, we will list them and detail them below:
- After a while, 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, regardless if you always have a quality oil, a gearbox is an element that wears out and creates iron filings with friction, the oil will pick them up and if it builds up too much these residues can get into gears and break them.
When to do the gearbox oil replace on a Lexus RX?
Whether you want to do an automatic or manual gearbox oil change on Lexus RX or strong> the process is not the same, nevertheless, dealers do not give mileage recommendations to replace the oil in your gearbox, on the other hand when you do an intervention on the gearbox it is beneficial to replace it, otherwise here are the factors to make you take into consideration doing this oil replace.
Oil replace for manual gearbox Lexus RX
- Gears are jumping: you are probably missing oil and you may have a gearbox oil leak, please find out our article on gearbox leaks on Lexus RX 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 problem as just before, the oil is most 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 Lexus RX?
Finally, to end this article, we will show you you how to empty the gearbox oil of your Lexus RX , it’s easier than you might think, here are the few steps to follow to do it accurately:
- Heat your Lexus RX 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 probably 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
To get more tips on the Lexus RX, take a look at the Lexus RX category.
