Some maintenance actions such as changing the engine oil may seem obvious and important, while others such as changing the gearbox oil from its Jeep Grand Cherokee may seem to be less natural. However, produce no mistake, changing the gearbox is just as important as changing the engine oil. This article content will show you the purpose of the gearbox oil, then, why it is necessary to replace the gearbox of your Jeep Grand Cherokee, and at last, how to replace the gearbox oil of a Jeep Grand Cherokee .
Role of gearbox oil on a Jeep Grand Cherokee
So we start our article content with the purpose of gearbox oil on a Jeep Grand Cherokee. The objective of this short introduction is to produce you understand the interest of this fluid which ensures the good functioning of your motor vehicle. The gearbox of your car has the mission to demultiply the power transferred by the engine and send it back to your wheels . It is made 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 parts will need to be firmly lubricate to function accurately, limit friction and tolerate the high temperatures built 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 Jeep Grand Cherokee?
Now we’ll find out what’s the point of draining the gearbox oil of your Jeep Grand Cherokee?
Benefit of gearbox oil changing Jeep Grand Cherokee
There are some interests to replace the gearbox of your motor vehicle regularly, we will list them and detail them below:
- With 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 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 releases 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 Jeep Grand Cherokee?
Whether you want to do an automatic or manual gearbox oil change on Jeep Grand Cherokee or strong> the process is not similar, however, dealers do not give mileage recommendations to replace the oil in your gearbox, nevertheless when you do an intervention on the gearbox it is beneficial to replace it, otherwise here are the reasons to produce you take into consideration doing this oil replace.
Oil replace for manual gearbox Jeep Grand Cherokee
- Gears are jumping: you are probably missing oil and you might have a gearbox oil leak, please find out our content on gearbox leaks on Jeep Grand Cherokee for more information.
- The gearbox cracks when you switch gears: The oil has undoubtedly lost viscosity and is too fluid, so the gears get stuck.
- Difficulty to shift gears: Same issue as just before, the oil is undoubtedly too fluid.
Automatic gearbox oil replace
- A slow start from the neutral position to the first one: quite often a viscosity issue.
- Difficulty or even impossibility to shift gears: Lack of oil
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How to replace gearbox oil of a Jeep Grand Cherokee?
Finally, to end this content, we will show you you how to empty the gearbox oil of your Jeep Grand Cherokee , it’s much easier than you might presume, here are the few guidelines to follow to do it accurately:
- Heat your Jeep Grand Cherokee 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 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 get more tips on the Jeep Grand Cherokee, take a look at the Jeep Grand Cherokee category.
