Some maintenance actions such as changing the engine unit oil may seem obvious and important, although others such as changing the gearbox oil from its Volvo S90 may appear to be less natural. However, produce no mistake, changing the gearbox is just as essential as changing the engine unit oil. This article content will show you the purpose of the gearbox oil, then, why it is essential to replace the gearbox of your Volvo S90, and at last, how to replace the gearbox oil of a Volvo S90 .
Purpose of gearbox oil on a Volvo S90
So we begin our article content with the purpose of gearbox oil on a Volvo S90. The objective of this short introduction is to produce you understand the benefit of this fluid which guarantees the good working of your car. The gearbox of your car has the mission to demultiply the power transmitted 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 function with the help of an axle and a differential. All these auto parts will need to be highly lubricate to objective 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 essential to the proper working of the gearbox.
Why changing the gearbox oil from a Volvo S90?
Now we’ll find out what’s the point of draining the gearbox oil of your Volvo S90?
Interest of gearbox oil changing Volvo S90
There are several concerns to replace the gearbox of your car 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 cause 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 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 replace on a Volvo S90?
Whether you want to do an automatic or manual gearbox oil change on Volvo S90 or strong> the process is not the same, 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 wise to replace it, otherwise here are the causes to produce you think about doing this oil replace.
Oil replace for manual gearbox Volvo S90
- Gears are jumping: you are most certainly missing oil and you may have a gearbox oil leak, please find out our content on gearbox leaks on Volvo S90 for more info.
- 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 absolutely 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 Volvo S90?
At last, to conclude this content, we will show you you how to empty the gearbox oil of your Volvo S90 , it’s less difficult than you might presume, here are the few guidelines to stick to to do it accurately:
- Heat your Volvo S90 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 recommended dose
To find more tips on the Volvo S90, take a look at the Volvo S90 category.
