Some maintenance actions such as changing the engine unit oil may seem evident and fundamental, although others such as changing the gearbox oil from its Volvo XC90 may seem to be less automatic. However, make no mistake, changing the gearbox is just as essential as changing the engine unit oil. This guideline will explain the purpose of the gearbox oil, then, why it is vital to change the gearbox of your Volvo XC90, and finally, how to change the gearbox oil of a Volvo XC90 .
Function of gearbox oil on a Volvo XC90
So we begin our guideline with the purpose of gearbox oil on a Volvo XC90. The objective of this short introduction is to make you understand the benefit of this fluid which guarantees the good functioning of your car. The gearbox of your car has the objective to demultiply the power transferred by the engine unit 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 firmly lubricate to function accurately, limit friction and tolerate the high temperatures built by the engine unit 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 performing of the gearbox.
Why changing the gearbox oil from a Volvo XC90?
Now we’ll see what’s the point of draining the gearbox oil of your Volvo XC90?
Benefit of gearbox oil changing Volvo XC90
There are several concerns to change the gearbox of your car regularly, we will list them and detail them below:
- Over time, the oil will lose its viscosity due to 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 unit 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 change on a Volvo XC90?
If you want to do an automatic or manual gearbox oil change on Volvo XC90 or strong> the procedure is not the same, nevertheless, dealers do not give mileage recommendations to change the oil in your gearbox, nevertheless when you do an intervention on the gearbox it is beneficial to change it, in any other case here are the causes to make you think about doing this oil change.
Oil change for manual gearbox Volvo XC90
- Gears are jumping: you are almost certainly missing oil and you may possibly have a gearbox oil leak, please see our article on gearbox leaks on Volvo XC90 for more information.
- The gearbox cracks when you change 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 most certainly too fluid.
Automatic gearbox oil change
- A slow begin from the neutral position to the first one: often a viscosity problem.
- Difficulty or even impossibility to shift gears: Lack of oil
.
How to change gearbox oil of a Volvo XC90?
Finally, to end this article, we will explain you how to empty the gearbox oil of your Volvo XC90 , it’s less difficult than you might believe, here are the few actions to follow to do it accurately:
- Heat your Volvo XC90 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.
- Change and tighten the cap, then fill with a syringe through the filler cap with the manufacturer’s recommended dose
If you wish more guides on the Volvo XC90, go to our Volvo XC90 category.
