Some maintenance actions such as changing the engine unit oil may seem obvious and very important, while others such as changing the gearbox oil from its GMC Yukon may seem to be less automatic. However, make no mistake, changing the gearbox is just as necessary as changing the engine unit oil. This article content will explain the role of the gearbox oil, then, why it is important to change the gearbox of your GMC Yukon, and finally, how to change the gearbox oil of a GMC Yukon .
Role of gearbox oil on a GMC Yukon
So we start our article content with the role of gearbox oil on a GMC Yukon. 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 mission 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 function 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 essential to the correct performing of the gearbox.
Why changing the gearbox oil from a GMC Yukon?
Now we’ll discover what’s the point of draining the gearbox oil of your GMC Yukon?
Interest of gearbox oil changing GMC Yukon
There are several concerns to change the gearbox of your car frequently, we will list them and outline 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 constantly have a quality oil, a gearbox is an component that wears out and releases iron filings with friction, the oil will pick them up and if it gathers up too much these residues can get into gears and break them.
When to do the gearbox oil change on a GMC Yukon?
If you want to do an automatic or manual gearbox oil change on GMC Yukon or strong> the procedure is not similar, however, 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 wise to change it, otherwise here are the reasons to make you think about doing this oil change.
Oil change for manual gearbox GMC Yukon
- Gears are jumping: you are likely missing oil and you might have a gearbox oil leak, please discover our article on gearbox leaks on GMC Yukon for more info.
- The gearbox cracks when you switch gears: The oil has certainly 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 change
- 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 change gearbox oil of a GMC Yukon?
Finally, to end this article, we will explain you how to empty the gearbox oil of your GMC Yukon , it’s much easier than you might believe, here are the few guidelines to follow to do it accurately:
- Heat your GMC Yukon 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.
- Change and tighten the cap, then fill with a syringe through the filler cap with the manufacturer’s suggested dose
To discover more tips on the GMC Yukon, take a look at the GMC Yukon category.
